Shiu, TW
Bo-Yu Shiu, Taichung City TW
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20130201047 | ZERO-CROSSING-BASED ANALOG-TO-DIGITAL CONVERTER HAVING CURRENT MISMATCH CORRECTION CAPABILITY - A zero-crossing-based analog-to-digital converter having current mismatch correction capability, that can raise resolution, energy efficiency, and sampling rate of a fully differential zero-crossing circuit, is realized through a 90 nm CMOS technology. The circuit is used mainly to correct offset error, to use a current supply separation technology and a digital correction mechanism to correct mismatch among a plurality of current supplies. | 08-08-2013 |
Cheng-Lin Shiu, Miaoli County TW
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20120249511 | SOURCE DRIVER FOR AN LCD PANEL - A source driver for an LCD panel includes two gm stages and two output buffers. In a normal operation mode, the first gm stage and the first output buffer establish a unity gain buffer to amplify a positive polarity analog voltage to be a positive polarity output voltage, and the second gm stage and the second output buffer establish a unity gain buffer to amplify a negative polarity analog voltage to be a negative polarity output voltage. In a polarity inversion mode, the second gm stage and the first output buffer establish a unity gain buffer to amplify a positive polarity analog voltage to be a positive polarity output voltage, and the first gm stage and the second output buffer establish a unity gain buffer to amplify a negative polarity analog voltage to be a negative polarity output voltage. | 10-04-2012 |
Cheng-Lin Shiu, Miaoli TW
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20120038599 | SOURCE DRIVER AND DISPLAY APPARATUS - A source driver includes a first output buffer, a second output buffer, a first output switch, a second output switch, a third output switch, a fourth output switch, a first resistor, a second resistor, a third resistor, a fourth resistor, a first charge-sharing switch. The first and the second output buffer respectively enhances a first and a second pixel signal and respectively outputs a first and a second enhanced pixel signal to a display panel. The first output switch and the first resistor connected in series and the second output switch and the second resistor connected in series are connected in parallel between the first output buffer and the display panel. The third output switch and the third resistor connected in series and the fourth output switch and the fourth resistor connected in series are connected in parallel between the second output buffer and the display panel. | 02-16-2012 |
20120280959 | SOURCE DRIVER AND DISPLAY APPARATUS - A source driver includes an output buffer, a first switch, a second switch, a third switch, a first transistor, and a second transistor. The output buffer includes a first terminal for outputting a plurality of drive voltage to drive a display panel, a second terminal for outputting a first control signal, and a third terminal for outputting a second control signal. The first switch is connected between the first terminal and a display panel. The first transistor includes a first electrode connected to the second terminal via the second switch, a second electrode connected to a first power supply, and a third electrode connected between the first switch and the display panel. The second transistor includes a fourth electrode connected to the third terminal via the third switch, a fifth electrode connected to a second power supply, and a sixth electrode connected to the third electrode of the first transistor. | 11-08-2012 |
Chiuan-Che Shiu, New Taipei City TW
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20130180664 | BONDING APPARATUS FOR LCD PANEL - A bonding apparatus for an LCD panel for bonding two plates together is provided. The bonding apparatus includes a base, a stage, a pressing head, a sensor and a control module. The two plates are disposed one on top of the other, and a gel is applied between the two plates. The pressing head is movably disposed on the base and above the stage. The sensor is disposed on the pressing head. The control module is electrically connected to the sensor and the pressing head. The control module drives the pressing head to move toward the stage such that the two plates are pressed between the pressing head and the stage. The sensor moves synchronously with the pressing head to contact an upper one of the two plates and senses a pressing distance of the pressing head relative to the two plates. | 07-18-2013 |
Chuan-Jin Shiu, Jhongli City TW
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20130187263 | SEMICONDUCTOR STACKED PACKAGE AND METHOD OF FABRICATING THE SAME - A method of fabricating a semiconductor stacked package is provided. A singulation process is performed on a wafer and a substrate, on which the wafer is stacked. A portion of the wafer on a cutting region is removed, to form a stress concentrated region on an edge of a chip of the wafer. The wafer and the substrate are then cut, and a stress is forced to be concentrated on the edge of the chip of the wafer. As a result, the edge of the chip is warpaged. Therefore, the stress is prevented from extending to the inside of the chip. A semiconductor stacked package is also provided. | 07-25-2013 |
Chuan-Jin Shiu, Zhongli City TW
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20110233770 | CHIP PACKAGE - A chip package includes: a substrate having a first and a second surfaces; an optical device on the first surface; a conducting layer on the second surface; a passivation layer on the second surface and the conducting layer, wherein the passivation layer has an opening exposing the conducting layer; a conducting bump on the second surface and having a bottom and an upper portions, wherein the bottom portion is disposed in the opening and electrically contacts the conducting layer, and the upper portion is located outside of the opening and extends along a direction away from the opening; a recess extending from a surface of the conducting bump toward an inner portion of the conducting bump; and a light shielding layer on the second surface, extending under the upper portion, and partially located in the recess and overlapping a portion of the conducting bump. | 09-29-2011 |
20110291139 | CHIP PACKAGE AND METHOD FOR FORMING THE SAME - An embodiment of the invention provides a chip package which includes: a substrate having a first surface and a second surface; an optical device disposed on the first surface; a conducting pad disposed on the first surface; a first alignment mark formed on the first surface; and a light shielding layer disposed on the second surface and having a second alignment mark, wherein the second alignment mark corresponds to the first alignment mark. | 12-01-2011 |
20110298000 | CHIP PACKAGE - According to an embodiment of the invention, a chip package is provided, which includes: a substrate having a first surface and a second surface; an optical device between the first surface and the second surface of the substrate; a protection layer formed on the second surface of the substrate, wherein the protection layer has at least an opening; at least a conducting bump formed in the opening of the protection layer and electrically connected to the optical device; and a light shielding layer formed on the protection layer, wherein the light shielding layer is further extended onto a sidewall of the opening of the protection layer. | 12-08-2011 |
20120056226 | CHIP PACKAGE - An embodiment of the invention provides a chip package which includes: a substrate having a first surface and a second surface; an optoelectronic device disposed at the first surface; a protection layer disposed on the second surface of the substrate, wherein the protection layer has an opening; a conducting bump disposed on the second surface of the substrate and filled in the opening; a conducting layer disposed between the protection layer and the substrate, wherein the conducting layer electrically connects the optoelectronic device to the conducting bump; and a light shielding layer disposed on the protection layer, wherein the light shielding layer does not contact with the conducting bump. | 03-08-2012 |
20120097999 | CHIP PACKAGE - An embodiment of the invention provides a chip package which includes: a substrate having a first surface and a second surface; an optoelectronic device disposed at the first surface; a protection layer located on the second surface of the substrate, wherein the protection layer has an opening; a light shielding layer located on the second surface of the substrate, wherein a portion of the light shielding layer extends into the opening of the protection layer; a conducting bump disposed on the second surface of the substrate and filled in the opening of the protection layer; and a conducting layer located between the substrate and the protection layer, wherein the conducting layer electrically connects the optoelectronic device to the conducting bump. | 04-26-2012 |
20130001621 | CHIP PACKAGE AND METHOD FOR FORMING THE SAME - An embodiment of the invention provides a chip package which includes: a substrate having a first surface and a second surface; an optoelectronic device formed in the substrate; a conducting layer disposed on the substrate, wherein the conducting layer is electrically connected to the optoelectronic device; an insulating layer disposed between the substrate and the conducting layer; a light shielding layer disposed on the second surface of the substrate and directly contacting with the conducting layer, wherein the light shielding layer has a light shielding rate of more than about 80% and has at least an opening exposing the conducting layer; and a conducting bump disposed in the opening of the light shielding layer to electrically contact with the conducting layer, wherein all together the light shielding layer and the conducting bump substantially and completely cover the second surface of the substrate. | 01-03-2013 |
20130026523 | CHIP PACKAGE AND METHOD FOR FORMING THE SAME - An embodiment of the invention provides a chip package which includes: a substrate having a first surface and a second surface; an optoelectronic device formed in the substrate; a conducting layer disposed on the substrate, wherein the conducting layer is electrically connected to the optoelectronic device; an insulating layer disposed between the substrate and the conducting layer; a first light shielding layer disposed on the second surface of the substrate; and a second light shielding layer disposed on the first light shielding layer and directly contacting with the first light shielding layer, wherein a contact interface is between the first light shielding layer and the second light shielding layer. | 01-31-2013 |
20130045549 | CHIP PACKAGE AND METHOD FOR FORMING THE SAME - An embodiment of the invention provides a method for forming a chip package which includes: providing a substrate having a first surface and a second surface, wherein at least one optoelectronic device is formed in the substrate; forming an insulating layer on the substrate; forming a conducting layer on the insulating layer on the substrate, wherein the conducting layer is electrically connected to the at least one optoelectronic device; and spraying a solution of light shielding material on the second surface of the substrate to form a light shielding layer on the second surface of the substrate. | 02-21-2013 |
Chuan-Jin Shiu, Taoyuan TW
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20110156074 | CHIP PACKAGE AND METHOD FOR FABRICATING THE SAME - The present invention provides a chip package, including: a chip having a semiconductor device thereon; a cap layer over the semiconductor device; a spacer layer between the chip and the cap layer, wherein the spacer layer surrounds the semiconductor device and forms a cavity between the chip and the cap layer; and an anti-reflective layer between the cap layer and the chip, wherein the anti-reflective layer has a overlapping region with the spacer layer and extends into the cavity. Furthermore, a method for fabricating a chip package is also provided. | 06-30-2011 |
20110156191 | PACKAGE STRUCTURE FOR A CHIP AND METHOD FOR FABRICATING THE SAME - The embodiment provides a package structure for a chip and a method for fabricating the same. The package structure for the chip includes a chip having a substrate and a bonding pad structure. The chip has an upper surface and a lower surface. An upper packaging layer covers the upper surface of the chip. A spacer layer is between the upper packaging layer and the chip. A conductive path is electrically connected to the bonding pad structure. An anti-reflective layer is disposed between the spacer layer and the upper packaging layer. An overlapping region is between the anti-reflective layer and the spacer layer. | 06-30-2011 |
Duan-Ruei Shiu, Taipei City TW
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20080198823 | METHOD FOR ESTABLISHING A WIRELESS LOCAL AREA NETWORK LINK - A user can link a station to an access point by triggering buttons of the station and the access point respectively. After the buttons are triggered, the station scans the SSID of the access point. The access point updates SSID and sends out the new SSID to the station in response to the station's request. Then, the station generates a security key according to the new SSID and links the access point according to the new SSID and the security key so as to establish a WLAN link. | 08-21-2008 |
Duan-Ruei Shiu, Taoyuan County TW
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20130141331 | METHOD FOR PERFORMING WIRELESS DISPLAY CONTROL, AND ASSOCIATED APPARATUS AND ASSOCIATED COMPUTER PROGRAM PRODUCT - A method and apparatus for performing wireless display control and an associated computer program product are provided, where the method is applied to an electronic device. The method includes: detecting whether a wireless display control agent device corresponding to the electronic device exists, wherein the wireless display control agent device is utilized as an agent for the electronic device to perform wireless display control on a display device electrically connected to the wireless display control agent device; and when it is detected that the wireless display control agent device exists, providing a user with a user interface, allowing the user to utilize a specific operating gesture to start an automatic wireless configuration of the electronic device without performing any manual wireless configuration of the electronic device, wherein based upon the automatic wireless configuration, a wireless connection between the electronic device and the wireless display control agent device is automatically established. | 06-06-2013 |
20130176955 | METHOD FOR PERFORMING WIRELESS CONNECTION CONTROL, AND ASSOCIATED APPARATUS AND ASSOCIATED COMPUTER PROGRAM PRODUCT - A method and an apparatus for performing wireless connection control are provided. For example, the method can be applied to a first electronic device, and the method may include the steps of: adding specific information into at least one packet while establishing a wireless connection between the first electronic device and a second electronic device, where the specific information indicates a channel that the first electronic device is working on; transmitting the at least one packet carrying the specific information to the second electronic device; and performing handshaking to complete the establishment of the wireless connection with respect to the second electronic device. In another example, the method can be applied to the second electronic device, and the method may include the steps of: receiving from the first electronic device the at least one packet carrying the specific information; and performing handshaking to complete the establishment of the wireless connection. | 07-11-2013 |
Feng-Jia Shiu, Hsinchu County TW
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20080237761 | SYSTEM AND METHOD FOR ENHANCING LIGHT SENSITIVITY FOR BACKSIDE ILLUMINATION IMAGE SENSOR - A system and method for enhancing light sensitivity of a back-side illumination image sensor are described. An integrated circuit includes a substrate and an image sensor device comprising at least one transistor formed over a first surface of the substrate and a photosensitive region. A color filter is disposed over a second surface of the substrate opposite the first surface thereof. A micro-lens structure is disposed between the second surface of the substrate and the color filter. | 10-02-2008 |
20140185025 | System And Method For Lithography Alignment - The present disclosure provides one embodiment of a lithography system for integrated circuit making. The system includes a substrate stage designed to secure a substrate and being operable to move the substrate; an alignment module that includes a tunable light source being operable to generate an infrared light with a wavelength tunable; and a detector to receive the light; and an exposing module integrated with the alignment module and designed to performing an exposing process to a resist layer coated on the substrate. | 07-03-2014 |
Feng-Jia Shiu, Jhudong Township TW
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20090085132 | MRAM Cell Structure with a Blocking Layer for Avoiding Short Circuits - A MRAM cell structure includes a bottom electrode; a magnetic tunnel junction unit disposed on the bottom electrode; a top electrode disposed on the magnetic tunnel junction unit; and a blocking layer disposed on the top electrode, wherein the blocking layer is wider than the magnetic tunnel junction unit for preventing against formation of a short circuit between a contact and the magnetic tunnel junction unit. | 04-02-2009 |
20090189233 | CMOS IMAGE SENSOR AND METHOD FOR MANUFACTURING SAME - An optical image sensor is fabricated by forming a pixel array and a peripheral region surrounding the pixel array on a semiconductor substrate, the peripheral region containing peripheral circuitry. An inter-level-dielectric layer is formed over the substrate and a plurality of interconnect wiring layers are formed over the inter-level-dielectric layer. Each interconnect wiring layer includes interconnecting metal features and a layer of inter-level-dielectric material covering the interconnecting metal features. The plurality of interconnect wiring layers are provided in a manner that there are N levels of wiring layers in the peripheral region and 1 to (N−1) levels of wiring layers over the pixel array. An etch-stop layer is formed over the top-most level interconnecting metal features in the peripheral region. | 07-30-2009 |
20100244287 | METHOD OF MEASUREMENT IN SEMICONDUCTOR FABRICATION - Provided is a method of fabricating a semiconductor device. The method includes providing a device substrate having a front side and a back side, the device substrate having a first refractive index, forming an embedded target over the front side of the device substrate, forming a reflective layer over the embedded target, forming a media layer over the back side of the device substrate, the media layer having a second refractive index less than the first refractive index, and projecting radiation through the media layer and the device substrate from the back side so that the embedded target is detected for a semiconductor process. | 09-30-2010 |
20120266810 | PLANARIZATION SYSTEM FOR HIGH WAFER TOPOGRAPHY - A system for planarizing a semiconductor device includes a holder component for holding the substrate. The substrate has at least one opening therein, and each opening defines a lower portion and an upper portion. A resist applicator applies a layer of resist over the substrate, such that the resist layer covers the lower and upper portions. An etching component etches back the resist layer to expose the upper portion of the at least one opening. The resist applicator and the etching component repeat the steps of applying and etching, respectively, to remove a predetermined amount below the upper portion. A deposition component deposits an insulating layer over the substrate. A planarizing component planarizes the insulating layer until the upper portion of the at least one opening is exposed. | 10-25-2012 |
20120270398 | PLANARIZATION METHOD FOR HIGH WAFER TOPOGRAPHY - A method for planarizing a semiconductor device includes providing a substrate having at least one opening therein, each opening defining a lower portion and an upper portion; coating a light sensitive material layer over the substrate, the light sensitive material layer covering the lower and upper portions of the at least one opening; etching back the light sensitive material layer to expose the upper portion of the at least one opening; repeating the steps of coating and etching to remove a predetermined amount below the upper portion of the at least one opening; depositing an insulating layer over the substrate; and planarizing the insulating layer until the upper portion of the at least one opening is exposed. | 10-25-2012 |
20120309197 | METHODS OF FORMING SEMICONDUCTOR STRUCTURES - A method of forming a semiconductor structure includes forming an opening in a substrate. A dielectric layer is formed and substantially conformal to the opening. A sacrificial structure is formed within the opening, covering a portion of the dielectric layer. A portion of the dielectric layer is removed by using the sacrificial structure as an etch mask layer. The sacrificial structure is removed. | 12-06-2012 |
Feng-Jia Shiu, Hsinchu City TW
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20080217719 | Method For Reducing Crosstalk In Image Sensors Using Implant Technology - The present disclosure provides an image sensor semiconductor device. A semiconductor substrate having a first-type conductivity is provided. A plurality of sensor elements is formed in the semiconductor substrate. An isolation feature is formed between the plurality of sensor elements. An ion implantation process is performed to form a doped region having the first-type conductivity substantially underlying the isolation feature using at least two different implant energy. | 09-11-2008 |
20100087029 | METHOD OF FABRICATING BACKSIDE ILLUMINATED IMAGE SENSOR - A method for fabricating a backside illuminated image sensor is provided. An exemplary method can include providing a substrate with a front surface and a back surface; forming a first alignment mark for global alignment on the front surface of the substrate; forming a second alignment mark for fine alignment in a clear-out region on the front surface of the substrate; aligning the substrate from the back surface using the first alignment mark; and removing a portion of the back surface of the substrate at the clear-out region for locating the second alignment mark. | 04-08-2010 |
20110159631 | METHOD OF FABRICATING BACKSIDE ILLUMINATED IMAGE SENSOR - A method for fabricating a backside illuminated image sensor is provided. An exemplary method can include providing a substrate having a front surface and a back surface; forming an alignment mark at the front surface of the substrate, wherein the alignment mark is detectable for alignment from the back surface; and processing the substrate from the back surface by performing registration from the back surface and using the alignment mark as a reference. | 06-30-2011 |
20130249041 | Method for Reducing Crosstalk in Image Sensors Using Implant Technology - The present disclosure provides an image sensor semiconductor device. A semiconductor substrate having a first-type conductivity is provided. A plurality of sensor elements is formed in the semiconductor substrate. An isolation feature is formed between the plurality of sensor elements. An ion implantation process is performed to form a doped region having the first-type conductivity substantially underlying the isolation feature using at least two different implant energy. | 09-26-2013 |
Hsiu Cheng Shiu, Taichung City TW
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20090005198 | HOCKEY STICK - A hockey stick includes a shaft and a blade. The blade has a toe end, a heel end, a top edge and a bottom edge. The blade has an opening portion within a region between the toe portion and 1/3 of a length between the toe portion and the heel portion of the blade from the toe portion. | 01-01-2009 |
Huan-Ruei Shiu, Cimei Township TW
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20110132477 | FLUID FLOW PLATE ASSEMBLY HAVING PARALLEL FLOW CHANNELS - A fluid flow plate assembly may include a first manifold, a second manifold, a first flow channel, and a second flow channel. The first manifold may have a fluid inlet for receiving an incoming fluid and may extend along a first direction to provide a channel for transporting the incoming fluid along the first direction. The first manifold may have at least two distribution outlets, each located in at least a portion of a sidewall region of the first manifold. The first manifold releases at least one portion of the incoming fluid as a released fluid through each distribution outlet. The second manifold may have a fluid outlet for discharging a discharged fluid, and the discharged fluid includes at least one portion of the incoming fluid. The second manifold may extend along a second direction to provide a channel for transporting the discharged fluid along the second direction. The second manifold receives the discharged fluid through at least two discharged fluid inlets on the second manifold. The first and second flow channels are coupled between the first manifold and the second manifold through distribution outlets and discharged fluid inlets. The second flow channel is parallel to the first flow channel with a dividing wall between the first and second flow channels. | 06-09-2011 |
20110136033 | FUEL CELL DEVICES - A fuel cell module may include a membrane electrode assembly two gas diffusion layers, two current collectors, two sealing members, and a fluid flow plate assembly. The membrane electrode assembly may include at least one membrane for fuel cell reactions, and the two gas diffusion layers may be respectively coupled with the two opposite sides of the membrane electrode assembly. The fluid flow plate assembly is coupled with the membrane electrode assembly at a first side of the two opposite sides of the membrane electrode assembly. At least one of the membrane electrode assembly, the two gas diffusion layers, the two current collectors, and the two sealing members has a non-planar surface prior to an assembly of the membrane electrode assembly, the two gas diffusion layers, the two current collectors, and the two sealing members, and the non-planar surface is at least partially flattened when the assembly occurs. | 06-09-2011 |
20110136042 | FLUID FLOW PLATE ASSEMBLIES - A fluid flow plate assembly may include a first manifold, a second manifold, and at least one fluid flow channel coupled between the first manifold and the second manifold. The first manifold has a fluid inlet for receiving an incoming fluid and extends along a first direction to provide a channel for transporting the incoming fluid partially along the first direction. The first manifold has at least one distribution outlet in at least a portion of a sidewall region of the first manifold and releases at least one portion of the incoming fluid as a released fluid through the at least one distribution outlet. The second manifold has a fluid outlet for discharging a discharged fluid, the discharged fluid comprising at least one portion of the incoming fluid and extends along a second direction to provide a channel for transporting the discharged fluid partially along the second direction. The at least one fluid flow channel is coupled between at least one of the at least one distribution outlet and at least one of the at least one discharged fluid inlet for distributing at least one portion of the released fluid. The at least one fluid flow channel has multiple channel sections extending in at least two directions and extending substantially along a fluid distribution plane. Both the first and second directions are substantially parallel with the fluid distribution plane. | 06-09-2011 |
20110136043 | MODULARIZED FUEL CELL DEVICES AND FLUID FLOW PLATE ASSEMBLIES - A fuel cell module may include a membrane electrode assembly, two gas diffusion layers, two current collectors, two sealing members, a fluid flow plate assembly. The fluid flow plate assembly may include a first manifold, a second manifold, and a fluid flow channel. The membrane electrode assembly may include at least one membrane for fuel cell reactions. The two gas diffusion layers may be respectively coupled with two opposite sides of the membrane electrode assembly. The two current collectors respectively coupled with the two gas diffusion layers, and the two sealing members respectively coupled with the two current collectors. The fluid flow plate assembly may be coupled with the membrane electrode assembly at a first side of the two opposite sides of the membrane electrode assembly, with at least a corresponding one of the two gas diffusion layers, at least a corresponding one of the two current collectors, and at least a corresponding one of the two sealing members coupled between the fluid flow plate assembly and the first side of the membrane electrode. | 06-09-2011 |
20140080028 | Fuel Cell Devices - A fuel cell module may include a membrane electrode assembly two gas diffusion layers, two current collectors, two sealing members, and a fluid flow plate assembly. The membrane electrode assembly may include at least one membrane for fuel cell reactions, and the two gas diffusion layers may be respectively coupled with the two opposite sides of the membrane electrode assembly. The fluid flow plate assembly is coupled with the membrane electrode assembly at a first side of the two opposite sides of the membrane electrode assembly. At least one of the membrane electrode assembly, the two gas diffusion layers, the two current collectors, and the two sealing members has a non-planar surface prior to an assembly of the membrane electrode assembly, the two gas diffusion layers, the two current collectors, and the two sealing members, and the non-planar surface is at least partially flattened when the assembly occurs. | 03-20-2014 |
Huan-Ruei Shiu, Penghu County TW
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20100124690 | FUEL CELL FLUID FLOW PLATE WITH SHELL PASSAGEWAY PIECE - A fluid cell fluid flow plate comprises: a fluid flow plate, having one face being a fluid flow face for receiving a reactive fluid and the other face being a non-active surface, provided with a first manifold, a second manifold, and a flow channel disposed on the fluid flow face; and a shell passageway piece, configured with parallel-disposed first face and second face that are connected to each other through a connecting face with at least one through hole provided thereon; wherein the flow channel being respectively connected to the first manifold through a first opening and to the second manifold through a second opening; and when the shell passageway piece and the fluid flow plate are combined, the first face contacts the fluid flow face, the second face contacts the non-active surface, and the first manifold communicates with the first opening by the through hole. | 05-20-2010 |
20100143765 | FUEL CELL STACK - A fuel cell stack including a first end plate, a second end plate, at least a fuel cell, a first current collector and a second current collector is provided. The first end plate includes a first end plate structure component, which is combined with a first end plate manifold component. The second end plate includes a second end plate structure component, which is combined with a second end plate manifold component. The first and the second end plate manifold components are placed between the first and the second end plate structure components, while the fuel cell is disposed between the first and the second end plate manifold components. The first current collector is disposed between the first end plate manifold component and the fuel cell. The second current collector is disposed between the second end plate manifold component and the fuel cell. | 06-10-2010 |
20100227243 | FUEL CELL STACK WITH METAL SEPARATORS - A single cell structure used in a fuel cell stack with metal separators, the single cell structure comprising: a cathode gas diffusion layer; an anode gas diffusion layer; a membrane electrode assembly, disposed between the cathode gas diffusion layer and the anode gas diffusion layer; a pair of first separators disposed outside the cathode gas diffusion layer and the anode gas diffusion layer, a first surface of the first separators being provided with a plurality of grooves and ribs thereon; a pair of second separators disposed outside the first separators to be assembled with the first separators, a first surface of the second separators being provided with a plurality of groove and ribs; and a pair of middle separators disposed outside the second separators to be assembled with the second separators. | 09-09-2010 |
20110123906 | METHOD FOR FABRICATING BI-POLAR PLATE OF FUEL CELL AND BI-POLAR PLATE OF FUEL CELL - A method for fabricating a bi-polar plate of a fuel cell and the bi-polar plate thereof are presented. A graphite film is formed first. Next, a polymeric material added with electrically conductive powder is coated on a surface of a metal substrate. The graphite film is disposed on the polymeric material and the polymeric material is hardened to form an adhesive layer, such that the graphite film is attached on the surface of the metal substrate. | 05-26-2011 |
20110159407 | FUEL CELL FLUID FLOW FIELD PLATE AND METHOD FOR FORMING THE SAME - According to embodiments of the invention, a fuel cell fluid flow field plate is provided. The fuel cell fluid flow field plate includes a flexible substrate including a fluid distribution zone having at least one flow channel, a manifold penetrating the flexible substrate and next to the fluid distribution zone, an upward extending portion extending upward at a position near an interface between the manifold and the fluid distribution zone, wherein a bend angle is between the upward extending portion and the fluid distribution zone, and the upward extending portion has at least one through-hole penetrating through the flexible substrate to expose the manifold, and a cover extending portion linking with the upward extending portion and covering a portion of the fluid distribution zone. | 06-30-2011 |
20110177429 | FLUID FLOW PLATE OF A FUEL CELL - A fluid flow plate of a fuel cell includes a main body and a supporting frame. The main body includes a plurality of fluid channels and an opening, wherein the fluid channels converge at the opening. The supporting frame, mounted on the periphery of the opening, is annular shaped and frames the fluid channels. The supporting frame includes a pair of supporting walls respectively disposed on two sides of the fluid channels. | 07-21-2011 |
20110256462 | Fluid Flow Plate Assemblies For Fuel Cells - A fluid flow plate for fuel cells may include a first surface and a second surface. The first surface has a first fluid inlet for receiving a first fluid, a plurality of first flow channels extending substantially along a first direction for transporting the first fluid, and a first fluid outlet for releasing the first fluid. The second surface having a second fluid inlet for receiving a second fluid, a plurality of second flow channels extending substantially along the first direction for transporting the second fluid, and a second fluid outlet for releasing the second fluid. The first fluid inlet and the second fluid outlet each is located near a first side of the fluid flow plate, and the first fluid outlet and second fluid inlet each is located near a second side of the fluid flow plate. The second side of the fluid flow plate is opposite to its first side. Each of the first and second flow channels has substantially the same length. | 10-20-2011 |
20130295493 | METHOD FOR FORMING FUEL CELL FLUID FLOW FIELD PLATE - According to embodiments of the invention, a fuel cell fluid flow field plate is provided. The fuel cell fluid flow field plate includes a flexible substrate including a fluid distribution zone having at least one flow channel, a manifold penetrating the flexible substrate and next to the fluid distribution zone, an upward extending portion extending upward at a position near an interface between the manifold and the fluid distribution zone, wherein a bend angle is between the upward extending portion and the fluid distribution zone, and the upward extending portion has at least one through-hole penetrating through the flexible substrate to expose the manifold, and a cover extending portion linking with the upward extending portion and covering a portion of the fluid distribution zone. | 11-07-2013 |
20140000783 | METHOD FOR FABRICATING BI-POLAR PLATE OF FUEL CELL | 01-02-2014 |
Huan-Ruei Shiu, Hsinchu County TW
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20140248033 | Environment Control Device and Video/Audio Player - An environment control device and a video/audio player are disclosed, wherein the environment control device is electrically connected to a video/audio player and controls at least one environment providing device. The environment control device has a processor, a connector, and a wireless communication module. The connector connects to video/audio player and electrically connects to the processor for receiving a situation signal transmitted from the video/audio player. The wireless communication module electrically connects to the processor for outputting an environment control signal to the at least one environment providing device, wherein the environment control signal is determined according to the situation signal. | 09-04-2014 |
20140252983 | Method for Controlling Lamps and Computer Program Product Thereof - A method for controlling a plurality of lamps is disclosed. The method is applied to an electrical apparatus, such that the user can control the plurality of lamps by the electrical apparatus. The method includes the following steps: receiving a plurality of different identification codes, wherein the identification codes represent each of the lamps respectively; setting at least two identification codes of the plurality of identification codes to be in the same control group according to a group setting command; and setting the control parameter of each of the lamps represented by each of the identification codes of the same control group to be the same. | 09-11-2014 |
20150044591 | Fuel Cell Pack and Fuel Cell Pack Assembly - A fuel cell pack is disclosed. The fuel cell pack has N membrane electrode assemblies, N−1 connected conductive planes, an independent first electrode conductive layer, and an independent second electrode conductive layer, wherein N is an integer and 2≦N≦3000. Each connected conductive plane has a first electrode conductive layer and a second electrode conductive layer, wherein the first electrode conductive layer connects to the second electrode conductive layer. The independent first electrode conductive layer is corresponding to the second electrode conductive layer of the N−1th connected conductive plane; the independent second electrode conductive layer is corresponding to the first electrode conductive layer of the 1 | 02-12-2015 |
Huei-Chiang Shiu, Taipei County TW
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20100285764 | FREQUENCY MODULATION RECEIVER AND RECEIVING METHOD THEREOF - A frequency modulation receiver is provided. The frequency modulation receiver includes an automatic frequency controller and a signal detector. The automatic frequency controller receives a demodulated frequency modulation signal demodulated from a radio frequency signal and outputs a control voltage to control an oscillation frequency of a local oscillator. The signal detector coupled to the automatic frequency controller receives the control voltage and determines whether the radio frequency signal is a frequency modulation signal according to the control voltage and a predetermined voltage range. | 11-11-2010 |
Huei-Chiang Shiu, New Taipei City TW
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20110293055 | CIRCUIT FOR GENERATING A CLOCK DATA RECOVERY PHASE LOCKED INDICATOR AND METHOD THEREOF - A circuit includes an oversampling logic unit, an alternating current estimator, and a logic processor. The oversampling logic unit generates a plurality of alternating current terms according to an oversampling clock, and outputs a plurality of alternating current terms corresponding to an output clock from the plurality of alternating current terms according to the output clock. The alternating current estimator executes a discrete cosine transform and a discrete sine transform on a plurality of alternating current terms outputted from the oversampling logic unit within a first predetermined time to generate a first value and a second value respectively. The logic processor compares a number of first values and a number of second values within a second predetermined time, and generates a clock data recovery phase locked indicator according to a comparing result. | 12-01-2011 |
20120087379 | Method of reducing required capacity of retry buffer for real-time transfer through PCIe and related device - A method capable of reducing a required capacity of a retry buffer of a link device when the link device transfers real-time data to a link partner through the PCIe interface determines how to resend a packet required by the link partner according to the type of the packet. When the packet is a data packet, the method determines if a pending data packet exists in a pending transmission data buffer. When the pending data packet exists in the pending transmission data buffer, the link device directly transmits the pending data packet to the link partner. When the pending data packet does not exist in the pending transmission data buffer, the link device transmits a dummy packet to the link partner. In this way, the retry buffer only requires enough capacity to store the dummy packet and buffer the command data packets. | 04-12-2012 |
20120089755 | Method of adjusting transfer speed after initialization of SATA interface - In a method of adjusting transfer speed after initialization of a SATA interface, a SATA link device transmits a first predetermined primitive to a SATA link partner for requesting to change a first transfer speed of the SATA link device from a first speed to a second speed, the SATA link partner replies to the SATA link device with a second predetermined primitive according to the first predetermined primitive, and the SATA link device and the SATA link partner respectively adjust the first transfer speed of the SATA link device and a second transfer speed of the SATA link partner according to the second predetermined primitive. | 04-12-2012 |
20120121052 | PHASE SELECTOR CAPABLE OF TOLERATING JITTER AND METHOD THEREOF, AND CLOCK AND DATA RECOVERY CIRCUIT - A phase selector capable of tolerating jitters is applied in a clock and data recovery circuit. The phase selector includes a comparing module, a weighting circuit, and a predictor. The comparing module compares a phase-detecting signal and a phase-selecting signal corresponding to the last cycle so as to generate an error signal. The weighting circuit calculates a weighting error signal according to the error signal and a weighting parameter. The phase predictor compares the weighting error signal and predetermined threshold values so as to generate the phase-selecting signal corresponding to the present cycle. When the received input data stream of the clock and data recovery circuit has a small jitter, the phase selector rapidly locks the phase so as to generate the correct phase-selecting signal. When the received input data stream of the clock and data recovery circuit has a large jitter, the phase selector stably generates the phase-selecting signal. | 05-17-2012 |
Hui-Ying Shiu, Tainan TW
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20140202851 | BORON-DOPED ZINC OXIDE SPUTTERING TARGET AND ITS APPLICATION - A boron-doped zinc oxide sputtering target, BZO sputtering target, is provided to deposit a BZO film by direct current sputtering. The BZO sputtering target has an amount of B/(B+Zn) ranging from 1.15 atomic % to 6.74 atomic % and a second phase ranging from 2% to 25% relative to a total area of the matrix phase and the second phase. Accordingly, a BZO film having a transmittance higher than 80% within a wavelength from 400 nanometers to 1100 nanometers and a resistivity less than 1×10 | 07-24-2014 |
Hui-Ying Shiu, Hsinchu TW
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20120152335 | FULL-SPECTRUM ABSORPTION SOLAR CELL - A full-spectrum absorption solar cell adopts cobalt-doped tin dioxide as an N-type material. Thereby, a solar cell of the present invention can be fabricated by a spray method in a hot pressing fabrication process. The present invention does not need to fabricate a solar cell in a vacuum or furnace system and thus can solve the high cost problem of the conventional technology. The N-type cobalt-doped layer can absorb full spectrum of sunlight. The N-type cobalt-doped layer can be used to fabricate a solar cell with a low-temperature fabrication process. Thus, the present invention does not need to adopt a high-temperature resistant substrate (such as silicon chip or glass) used in the conventional high-temperature fabrication process but can adopt a substrate made of plastic. And, the conversion efficiency of the invention can achieve 1.2%, it is a significant improvement over the oxide-based nanostructures heterojunction solar cells in the world. | 06-21-2012 |
Jia-Hung Shiu, Chung Li TW
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20130015925 | DELAY LINE STRUCTUREAANM SHIUE; GUANG-HWAAACI CHUNG LIAACO TWAAGP SHIUE; GUANG-HWA CHUNG LI TWAANM SHIU; JIA-HUNGAACI CHUNG LIAACO TWAAGP SHIU; JIA-HUNG CHUNG LI TW - A delay line structure has a serpentine delay line pair, a first and second grounding guard trace and two third grounding guard traces. The delay line pair is located in a layout layer extending from an input to an output end, The first and second grounding guard traces are connected to the grounding circuit through respective vias and are located in the layout layer. The third grounding guard traces are respectively located in the layout layer by an upper and lower edge of the delay line pair and are connected to the grounding circuit through respective vias. | 01-17-2013 |
20130037315 | DELAY LINE STRUCTURE - A delay line structure disposed on a substrate having a dielectric base layer formed with a via, a layout layer and a grounding layer with a grounding circuit, includes two parallel spiral delay lines having a first outer straight section, a first outer bent section, an inner spiral region, a second outer bent section and a second outer straight section. The inner spiral region bends reciprocally between the first and second outer straight sections to form several inner bent parts and several inner straight parts. A grounding guard trace is disposed among the first and second outer straight sections and the inner straight parts and is coupled electrically to the grounding circuit, wherein each of the first and second outer bent sections and the inner bent parts has a width smaller than each of the first and second outer straight sections and the inner straight parts. | 02-14-2013 |
Jian-Bin Shiu, Hsinchu County TW
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20130270557 | TEST STRUCTURE FOR SEMICONDUCTOR PROCESS AND METHOD FOR MONITORING SEMICONDUCTOR PROCESS - A monitoring method of a semiconductor process includes the following steps. A semiconductor substrate is provided, and a test structure is formed thereon. The method of forming the test structure includes the following steps. A first doped region and a second doped region are formed in the semiconductor substrate, and an insulating layer is formed on the semiconductor substrate. Subsequently, a conductive layer is directly formed on the insulating layer to complete the formation of the test structure, in which the conductive layer in a floating state partially overlaps the first doped region and partially overlaps the second doped region. Then, a voltage signal is applied to the test structure and the breakdown voltage (Vbd) between the first doped region and the second doped region is measured. | 10-17-2013 |
20140285894 | PHASE GRATING WITH THREE-DIMENSIONAL CONFIGURATION - A phase grating includes a substrate and a first dielectric layer. The first dielectric layer is disposed on the substrate and includes a column and a plurality of rings. The top sides of the column and the top sides of the rings align with one another to form a flat plane. The column and the rings are concentric. | 09-25-2014 |
20150076665 | ALIGNMENT MARK STRUCTURE - A conductive structure includes a wafer having a scribe line defined thereon, at least a first wiring layer formed in the scribe line, and at least a via layer disposed in the scribe line and under the wiring layer. The first wiring layer includes a main pattern and the via layer includes a closed frame pattern corresponding to the main pattern of the first wiring layer. | 03-19-2015 |
Jian-Bin Shiu, Hsinchu City TW
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20100096359 | METHOD FOR FORMING PHASE GRATING - A method for forming a phase grating is disclosed. First, a substrate is provided. Second, a first dielectric layer with a tapered recess or bulge is formed on the substrate. Later, a second dielectric layer is formed to fill the tapered recess and to cover the first dielectric layer. Afterwards, the second dielectric layer is selectively etched to form the phase grating. The phase grating includes a column and multiple rings. The column and multiple rings are concentric and the multiple rings are disposed on the tapered side so that the height of each ring is different. | 04-22-2010 |
20100155908 | PASSIVATION STRUCTURE AND FABRICATING METHOD THEREOF - A passivation structure and fabricating method thereof includes providing a chip having a main die region and a scribe line region defined thereon and a plurality of metal pads respectively positioned in the main die region and the scribe line region, forming a first patterned passivation layer having a plurality of first openings and second openings respectively exposing the metal pads in the main die region and the scribe line region on the chip, and forming a second patterned passivation layer filling the first openings in the scribe line region and having a plurality of third openings corresponding to the first openings thus exposing the metal pads in the main die region. | 06-24-2010 |
20100283123 | BIPOLAR JUNCTION TRANSISTOR INTEGRATED WITH PIP CAPACITOR AND METHOD FOR MAKING THE SAME - A bipolar junction transistor (BJT) integrated with a PIP capacitor includes a substrate including a bipolarjunction transistor region and a PIP capacitor region, a bipolar junction transistor disposed in the bipolar junction transistor region and extending an isolation layer to the PIP capacitor region and a base poly layer disposed on the isolation layer, and a PIP capacitor disposed in the PIP capacitor region and including a lower poly layer, the isolation layer and the base poly layer to selectively form a PIP capacitor. | 11-11-2010 |
20120075702 | PHASE GRATING - A phase grating includes a substrate and a first dielectric layer. The first dielectric layer is disposed on the substrate and includes a column and a plurality of rings. The top sides of the column and the top sides of the rings align with one another to form a flat plane. The column and the rings are concentric. | 03-29-2012 |
Jian-Feng Shiu, Hsinchu County TW
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20150028954 | SIGNAL RECEIVER - A signal receiver includes a current source providing a current having a current value, a pair of active input devices, and a pair of resistors. Each active input device includes a control node, a first conduction node, and a second conduction node. One of the control nodes receives an input signal. The first conduction nodes are connected to each other and receive the current. One of the second conduction nodes serves as an output node. The active input devices output an output signal to a core circuit according to the current and the input signal. Each resistor has a resistance value. A target voltage value is determined according to the resistance value and the current value, such that a voltage swing of the output signal is limited within the target voltage value, and an operating voltage of the core circuit is substantially equal to the target voltage value. | 01-29-2015 |
Jiue-Rou Shiu, Tu-Cheng TW
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20100271399 | ELECTRONIC DEVICE AND METHOD FOR POSITIONING OF AN IMAGE IN THE ELECTRONIC DEVICE - An electronic device and a method for positioning of an image in the electronic device are provided. The electronic device can compute RGB values of each pixel of the image, and cluster the image to a foreground cluster and a background cluster based on the RGB values. The foreground cluster is segmented into at least one foreground figure. If a selected foreground figure is magnified, the image is magnified, a center coordinate of the selected foreground figure is mapped to the center of a display screen of the electronic device, so as to position the magnified image. | 10-28-2010 |
Jiun-Nan Shiu, Kaohsiung City TW
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20140196566 | ROTATION ASSEMBLY - A rotation assembly includes a sleeve, a catch and an elastic member, the sleeve comprises a central longitudinal axis, a ring wall, a first through hole and a constraining slot having a planar surface. The central longitudinal axis is surrounded by the ring wall, and the first through hole and the constraining slot are formed at the ring wall. The elastic member comprises a free end and a limiting end, the free end is engaged with the catch, and the limiting end is limited by the constraining slot to prevent the elastic member from separating from the sleeve while the rotation assembly is impact by an external force. | 07-17-2014 |
Jyh-Wen Shiu, Hsinchu TW
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20100149621 | DISPLAY DEVICE FOR IMPROVING IMAGE CONTRAST - A light valve unit may include a first conductive layer and a second conductive layer disposed on opposite sides of each other with respect to a plurality of cells in which at least some of the cells include a first material and a second material. The first material may have a lower light transmissivity property than the second material and a position of the first material within a corresponding cell may be changeable responsive to application of an electric field between the first and second conductive layers. The second conductive layer may include at least two electrodes and a gap defined between the two electrodes. A portion of the light valve unit adjacent to the gap may be configured to have a transmissivity that is substantially less than transmissivity of a portion of the light valve unit adjacent to cells across which the electric field is applied, but greater than or equal to transmissivity of a portion of the light valve unit adjacent to cells across which the electric field is not applied. | 06-17-2010 |
Kai-Chi Shiu, Taipei City TW
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20140300280 | COLOR-CHANGEABLE LAMP - A color-changeable lamp includes a base, a control unit, a deformable lamp body, a color-sensing unit, a pressure-sensing unit and a light-emitting unit. The deformable lamp body is connected with the base and has a closed space. The control unit, the color-sensing unit and the light-emitting unit are disposed at the base. The pressure-sensing unit is disposed in the closed space. The color-sensing unit can sense a color of a target and generate a color signal corresponding to the color of the target, and the pressure-sensing unit can sense the air pressure in the closed space and send a pressure signal to the control unit when the deformable lamp body is deformed. When the pressure signal reaches a predetermined value, the control unit controls the light-emitting unit to emit the light corresponding to the color signal according to the color signal. | 10-09-2014 |
Kom-Bei Shiu, Taichung City TW
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20110251391 | Preparation of luminescent iridium complexes and precursors thereof - In the present invention, novel synthetic processes for preparing luminescent iridium complexes and precursors thereof are provided. The method employs water as the reaction solvent to prepare luminescent iridium complexes in two different ways. In the first way, a precursor [Ir | 10-13-2011 |
Kuang-Hua Shiu, Hukou Township TW
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20080268667 | Elastic terminal structure - The present invention provides an improved elastic terminal structure, wherein an elastic terminal includes an extended portion, a soldering portion and an elastic portion. Embedding members corresponding to a base extend from the extended portion of the elastic terminal to enable firmly clasping the elastic terminal within the base. Moreover, the elastic portion formed by press machining extends from the extended portion, and a helical member extends from the elastic portion. Furthermore, an electrical conducting point that enables conducting of electric power extends from the helical member. Elastic compression of the helical member and extension of the electrical conducting point are used to enable a conducting member to compress the electrical conducting point, moreover, the cost of the manufacturing process is reduced and the problem of elastic fatigue is minimized. | 10-30-2008 |
20080268724 | Elastic terminal structure - The present invention provides an improved elastic terminal structure, wherein an elastic terminal includes an extended portion, a soldering piece and elastic strips. Embedding members corresponding to a base extend from the extended portion of the elastic terminal, and the embedding members enable firmly clasping the elastic terminal within the base. Moreover, a plurality of the elastic strips extend inward from an inner side of the extended portion, an elastic member inwardly extends from each of the plurality of elastic strips, and an electrical conducting point inwardly extends from each of the plurality of elastic members. Elastic compression of the plurality of elastic members and disposition of the plurality of the electrical conducting points to ensure electrical conductivity between the conducting member and the elastic terminals when joined thereto, moreover, the manufacturing cost is reduced and elastic fatigue is postponed. | 10-30-2008 |
20100323554 | Connector structure - The present invention provides a connector structure, in which a connector is structured from a housing, a base and terminals, and the base and a plurality of the terminals are embedded in the housing. The base is structured from a first base and a second base, wherein the first base is internally configured with a plurality of ribs corresponding to first terminals. Accordingly, when the first terminals are assembled within the first base, a plurality of guide grooves of the first terminals accommodate the plurality of ribs within the first base, thus causing the guide grooves to extend over the ribs and become disposed within the first base, moreover, in conjunction with clasping of the second base, strengthening fixture of the first terminals, thereby preventing the first terminals from falling off due to frequent unplugging and plugging of the connector for a long period of time. | 12-23-2010 |
20110143603 | Connector structure - The present invention provides an improved connector structure, structured to include a covering case, a first base, a second base, a first conducting terminal, a second conducting terminal and a third conducting terminal, in which a plurality of first contact pins extend from the main body of the first conducting terminal, and is disposed in a holding space of the first base. A plurality of second contact pins extend from the main body of the second conducting terminal, and together with the third conducting terminal is disposed in a holding space of the second base, thereby enabling achieving supplying electric power requirements. Furthermore, an outer portion of the connector is covered with a covering case. | 06-16-2011 |
Ming-Cheng Shiu, Tao-Yuan TW
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20090010767 | ELECTRIC COMB DRIVEN MICROPUMP SYSTEM - An electric comb driven micropump system includes a piston, a comb actuator comb and a real-time monitoring device. The comb actuator may generate an electrostatic force after receiving a voltage, so as to actuate the piston to make a first displacement, which causes a fluid to enter into a cavity, wherein the voltage has a voltage value for determining the volume of the fluid entering into the cavity, and wherein as the voltage value of the voltage gradually decreases, the electrostatic forces also decreases, allowing the piston to gradually make a second displacement in a direction opposite to the first displacement driven by a spring, thus outputting the fluid from the cavity. The real-time monitoring device provides real-time information of the comb actuator. | 01-08-2009 |
Ming-Horng Shiu, Tao Yuan Shien TW
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20090010565 | Noise reduction device and method - The invention discloses a noise reduction device for adjusting gray levels of a video sequence to reduce noises. The noise reduction device of the invention includes a motion detector and a first noise reduction module. The motion detector is used for determining whether an inputted pixel is a motion pixel or a static pixel. If the pixel is a motion pixel, the first noise reduction module directly outputs the pixel without adjustment. If the pixel is a static pixel, the first noise reduction module adjusts the gray level of the pixel according to previous image frame. Because the invention only stores previous image frame, and does not utilizes multiple continuous image frames to adjust the present image frame. Therefore, the display system of the invention needs only to be installed with one buffer, and hardware resource can be further saved. | 01-08-2009 |
Shian-Sung Shiu, Xizhi City TW
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20110043140 | CHARGE PUMP CIRCUIT WITH CURRENT DETECTING AND METHOD THEREOF - The present invention relates to a charge pump circuit with current detecting and a method thereof. The current detecting charge pump circuit includes a controlled current source, a load circuit which electrically connects to the charge pump circuit unit, and is driven by the charge pump circuit unit to generate a load current. A detecting circuit unit electrically connects to the load circuit, and produces a feedback signal according to the load circuit. A feedback circuit unit which electrically connects to the detecting circuit unit, receives the feedback signal, and adjusts a current of the controlled current source according to the feedback signal. The charge pump circuit also includes a protecting circuit unit which is able to detect feedback signal to protect the circuit according to the feedback signal. | 02-24-2011 |
Shian-Sung Shiu, Taipei County 221 TW
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20130119895 | LED DRIVING CIRCUIT AND DRIVING CONTROLLER FOR CONTROLLING THE SAME - A driving controller for driving a load is disclosed. The driving circuit includes a driving power supply and the driving controller. The driving power supply provides a first power source to the load. The controller is coupled to a second power source to receive an electric power for operating. The controller controls the amount of the electric power to the load when operating in a first mode and stops the driving power supply from providing the electric power to the load when operating in a second mode. The controller operates exclusively in the first mode before the driving power supply provides the first power source to the load. | 05-16-2013 |
Shian-Sung Shiu, New Taipei City TW
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20110266975 | ILLUMINATION CONTROLLER AND ILLUMINATION DRIVING SYSTEM - An illumination controller adapted to control a converting circuit to convert an electric power of a DC input power source to drive a light source is provided. The illumination controller includes a dimming unit and a control unit. The dimming unit receives a dimming signal and correspondingly generates a dimming control signal according to the number of the dimming signal. The control unit controls the electric power provided to the light source by the converting circuit according to the dimming control signal, so as to adjust a brightness of the light source. Furthermore, an illumination driving system is also provided. | 11-03-2011 |
20110291575 | LED DRIVING CIRCUIT AND CONTROL CIRCUIT - A control circuit adapted to control a power converting circuit for stabilizing an output of the power converting circuit is provided. The control circuit includes a capacitor, a charging unit, a discharging unit, a feedback control unit, and a duty-cycle adjusting unit. The charging unit has a first current source coupled to the capacitor for charging the capacitor. The discharging unit is coupled to the capacitor for discharging the capacitor. The feedback control unit controls the charging unit to charge the capacitor according to a feedback signal which represents the output of the power converting circuit. The duty-cycle adjusting unit generates a control signal and adjusts a duty cycle of the control signal according to a voltage of the capacitor. | 12-01-2011 |
20110291591 | DRIVING CIRCUIT AND CONTROL CIRCUIT - A driving circuit, comprising a power supply, a transistor unit and a feedback control circuit, is disclosed. The power supply is adaptor to provide an electric power to drive a load. The transistor unit comprises at least one load coupling end to couple to the load for adjusting an amount of current flowing through the load. The feedback control circuit controls an amount of the electric power provided by the power supply according to a voltage level of the least one load coupling end. Wherein, the feedback control circuit comprises an error amplifying circuit and a feedback control switch. The error amplifying circuit generates an error amplified signal according to the voltage level of the least one load coupling end, and the feedback control switch is coupled to an output of the error amplifying circuit and is switched between a turn-on state and a turn-off state based on a dimming signal. | 12-01-2011 |
20120007751 | DE-BOUNCE CIRCUIT - A de-bounce circuit is disclosed. The de-bounce circuit comprises a wave-shaping circuit, a filtering circuit and a trigger circuit. The wave-shaping circuit is adapted to shape a control signal and output a wave-shaping signal. The control signal may be generated from a mechanical switch. The filtering circuit charges/discharges a capacitor according to the wave-shaping signal, and determines whether to generate a judgment signal according to a voltage of the capacitor. The trigger circuit determines whether to generate an enable signal according to the number of times of the judgment signal. | 01-12-2012 |
20120038391 | TRANSISTOR MODULE AND TRANSISTOR DRIVING MODULE - The present invention discloses a transistor driving module, coupling to a converting controller, to driving a high side transistor and a low side transistor connected in series, wherein one end of the high side transistor is coupled to an input voltage and one end of the low side transistor is grounded. The transistor driving module comprises a high side driving unit, a low side driving unit, a current limiting unit and an anti-short through unit. The high side driving unit generates a high side driving signal to turn the high side transistor on according to a duty cycle signal, and the low side driving unit generates a low side driving signal turn the low side transistor on according to the high side driving signal. The current limiting unit is coupled to the high side transistor and the high side driving unit, and generates a current limiting signal when a current flowing through the high side transistor higher than a current limiting value. The high side driving unit is stopped to generate the high side driving signal when receiving the current limiting value. The anti-short through unit is coupled to the high side driving unit and the low side driving unit to control the generations of the high side driving signal and the low side driving signal to have the timings of the high side driving signal and the low side driving signal non-overlapped. | 02-16-2012 |
20120104967 | NON-LINEAR LOAD DRIVING CIRCUIT AND CONTROLLER - A non-linear load driving circuit and a controller for controlling a conversion circuit to drive a non-linear load are provided. The controller includes a feedback unit, a pulse width control unit, and an overshoot reduction unit. The feedback unit generates a feedback signal according to a current feedback signal that represents a load current flowing through the non-linear load. The pulse width control unit generates a control signal according to the feedback signal to control a power output of the conversion circuit. The overshoot reduction unit generates an overshoot reduction signal when the load current changes from being smaller than to being greater than a predetermined value according to the current feedback signal. The pulse width control unit receives the overshoot reduction signal and reduces the duty cycle of the control signal accordingly. Thereby, stability of feedback control is improved and damage to circuit is prevented. | 05-03-2012 |
20120104968 | POWER CONVERTING CONTROLLER AND LIGHT-EMITTING DIODE DRIVING CIRCUIT - A power converting controller and an LED driving circuit are provided. The power converting controller controls a converting circuit, which converts an input power source into an appropriate power source to drive a load. The power converting controller includes a feedback control unit, an open-circuit judging unit and a protection unit. The feedback control unit controls the converting circuit according to a feedback signal representing the status of the load. As the open-circuit judging unit has judged that the load is continuously in an open-circuit status for a predetermined time length, the open-circuit judging unit generates an open-circuit protection signal. The protection unit is coupled to the feedback control unit and the open-circuit judging unit so as to generate a protection signal as receiving the open-circuit protection signal and thereby the feedback control unit enters a latch status to stop controlling the converting circuit. | 05-03-2012 |
20120106008 | SPIKE SUPPRESSION CIRCUIT AND CONVERSION CONTROL CIRCUIT - A spike suppression circuit for filtering out voltage oscillation produced by an inductive component and a conversion control circuit are disclosed. The spike suppression circuit includes an energy release path and a detection circuit. One end of the energy release path is coupled to a connection terminal of a circuit, and the other end thereof is coupled to a reference voltage. The detection circuit is coupled to the connection terminal. The detection circuit has a high-pass component for turning on the energy release path when the voltage on the connection terminal has a high-frequency signal. | 05-03-2012 |
20120106013 | CURRENT SENSE CIRCUIT AND BATTERY OVER-CURRENT PROTECTION CONTROLLER - A battery over-current protection controller includes a current sense circuit, a first pin coupled to one end of the current detection circuit, a second pin, and a third pin. The second pin and the third pin are respectively coupled to a positive end and a negative end of a battery module. The current sense circuit includes a reference voltage generation unit, a voltage dividing unit, and a comparison unit. The reference voltage generation unit is coupled between the second pin and the third pin to generate a reference voltage. The voltage dividing unit has one end coupled to the reference voltage to thereby generate a voltage dividing signal. The comparison unit receives the voltage dividing signal and a current detection signal indicative of a value of a current flowing through the current detection circuit to thereby generate an over-current protection signal when the current is greater than the predetermined current. | 05-03-2012 |
20120112645 | FEEDBACK CONTROL CIRCUIT AND LED DRIVING CIRCUIT - The present invention provides a feedback control circuit and an LED driving circuit for using the same, wherein the feedback control circuit receives a dimming signal. The dimming signal is changed between a first state and a second state. When being in the first state, the feedback control circuit controls a converter circuit to drive the LED module for lighting stably. When being in the second state, the feedback control circuit controls the converter circuit to maintain the power conversion of the converter circuit to have an output voltage outputted by the converter circuit maintained at a level close to a lighting threshold voltage of the LED module. | 05-10-2012 |
20120112646 | CONVERTING CONTROL CIRCUIT - A converting control circuit, adapted to control a converting circuit to convert an input voltage into an output voltage for driving a load, is provided. The converting control circuit comprises a current control circuit, a first detecting circuit, a second detecting circuit, a feedback controller and a feedback circuit. The current control circuit comprises at least one control end coupled to the load to adjust a current flowing through the load. The first detecting circuit is coupled to the current control circuit and generates a first detecting signal according to the voltage at the least one control end. The second detecting signal is coupled to the converting circuit and generates a second detecting signal according to the output voltage. The feedback circuit is coupled to the first and second detecting circuit and modulates a level of the second signal according to the first detecting signal. | 05-10-2012 |
20120176048 | LED DRIVING CIRCUIT AND FEEDBACK CONTROL CIRCUIT THEREOF - An LED (Light-Emitting Diode) driving circuit to drive an LED module is provided. The LED driving circuit includes a converting circuit and a feedback control circuit. The converting circuit is coupled to the LED module, and converts an input voltage into an output voltage according to at least one control signal. The feedback control circuit generates the control signal to control the converting circuit to perform voltage conversion according to a feedback signal. In addition, the feedback control circuit receives a dimming signal, and is operated in a first state or a second state in response to the dimming signal, wherein the feedback control circuit adjusts the duty cycle of the control signal to have the duty cycle larger than or equal to a predetermined duty cycle in a predetermined period right after the feedback control circuit is operated from the second state to the first state. | 07-12-2012 |
20120176050 | LED DRIVING CONTROL CIRCUIT AND LED DRIVING CIRCUIT - The present invention provides an LED (Light-Emitting Diode) driving control circuit for controlling a converting circuit to transform an input power source into an output voltage for driving an LED module. The LED module has a plurality of LED strings. The LED driving control circuit includes a voltage detecting circuit and a feedback control circuit. The voltage detecting circuit has a plurality of detection circuits, and each detection circuit is coupled to a terminal of the corresponding LED string to determine whether a voltage of the terminal is higher or lower than a preset value. The voltage detecting circuit generates a feedback signal according to the determination results. The feedback control circuit controls the converting circuit to modulate the output voltage according to the feedback signal. | 07-12-2012 |
20120229031 | Converting Controller - A converting controller comprises a power pin, a ground pin, at least one input pin, at least one output pin, at least one set pin and a failure generating circuit. The power pin is adapted to be coupled with a power source to receive electric power for operation, and the ground pin is adapted to be grounded. The input pin is adapted to receive a corresponding input signal and the output pin is used to output a corresponding output signal. The set pin is adapted to set a corresponding operating parameter of the converting controller. The failure generating circuit is coupled with and uses one of the input pin and the set pin as a protection output pin. The failure generating circuit modulates the level of the protection output pin to be a protection logic level when the converting controller is under a protection state. | 09-13-2012 |
20120229034 | DRIVING CONTROLLER AND FULL-BRIDGE CONVERTING CIRCUIT - The present invention provides a full-bridge driving controller and a full-bridge converting circuit, which have the function of soft switch, to provide a DC output voltage. The present invention employs a resonant unit to oscillate the current flowing through the converting circuit at a resonant frequency. The full-bridge driving controller switches four full-bridge transistor switches at an operating frequency higher than the resonant frequency, so as to achieve the function of soft switch. | 09-13-2012 |
20120229050 | CONVERTING CONTROLLER - A converting controller is provided and comprises a first comparing unit, a second comparing unit, a duty cycle operating unit and a reference voltage supplying unit. The first comparing unit receives a detecting signal representing a state of the load and a first reference signal, and generates a first comparing signal accordingly. The duty cycle operating unit controls power conversion of the converting circuit according to the first comparing signal. The second comparing unit receives the detecting signal and a second reference signal, and generates a second comparing signal accordingly. The reference voltage supplying unit supplies the first reference signal and adjusts a level of the first reference signal in response to the second comparing signal. | 09-13-2012 |
20120242249 | Controller and LED driving circuit with protection function - A controller with protection function, for controlling a transistor having a control terminal, a first terminal coupled to a load, a second terminal, is disclosed. The controller comprises a judgment unit and a current control unit. The judgment unit is coupled to the transistor and generates a current reducing signal when a potential of the first terminal of the transistor or a voltage difference between the first terminal and the second terminal of the transistor is higher than a preset value. The current control unit is coupled to the control terminal of the transistor for substantially stabilizing the current flowing through the transistor at a preset current value, and reduces the current flowing from the preset current value when receiving the current reducing signal. | 09-27-2012 |
20120268011 | LED DRIVING CIRCUIT - An LED driving circuit includes a first and a second LED modules, a first and a second switching converters, an extreme voltage detecting and selecting circuit, a current balance circuit and a controller. The first switching converter transforms electric power of an input power supply into a first output voltage for lighting the first LED module. The second switching converter transforms electric power of the input power supply into a second output voltage for lighting the second LED module. The current balance circuit balances the currents flowing through the first and the second LED modules. The extreme voltage detecting and selecting circuit detects the first and the second LED modules and selects to output one of detecting results. The controller controls the transforming of the first switching converter and the second switching converter to light the first and the second LED modules in response to the outputted detecting result. | 10-25-2012 |
20120268085 | POWER CONVERTING CIRCUIT AND FEEDBACK CONTROL CIRCUIT - A power converting circuit and a feedback control circuit for the power converting circuit are disclosed. The feedback control circuit comprises a feedback controller and a level controlling unit. The feedback controller generates a feedback control signal according to a reference voltage signal and a feedback signal. The level controlling unit receives one of the reference voltage signal and the feedback signal and modules a level of the received signal from a first level to a second level with time according to a level adjusting signal. | 10-25-2012 |
20120268088 | DC TO DC BUCK CONVERTING CONTROLLER - A constant on-time period of a DC to DC buck converting controller is adjusted according to a level of a preset output voltage. Therefore, the DC to DC buck converting controller of the present invention is suitable for any applications with different requests of output voltages or different operating mode. | 10-25-2012 |
20120274235 | Power Converting Circuit and Converting Controller - A converting controller, adapted to control a converting circuit to convert an electric power from an input power source, is provided. The controller comprises a duty cycle control unit, a protection enabling control unit and a protection unit. The duty cycle control unit controls the converting circuit according to a feedback signal for converting the electric power from the input power. The protection enabling control unit outputs protection enabling signals according to time results of a timing circuit. The protection unit detects the converting circuit and generates a protection signal when any circuit error is determined, so as to stop the duty cycle control unit, wherein the protection unit has a plurality of protection functions and enables the protection functions with respect to the protection enabling signals, respectively. | 11-01-2012 |
20120274294 | CONTROLLER FOR CONVERTING CIRCUIT - A control circuit adapted to a DC-DC converting circuit is disclosed. The controller comprises a reference voltage generator, a reference voltage adjusting circuit, a feedback circuit and a driving circuit. The reference voltage adjusting circuit generates an adjusted reference voltage according to a reference voltage generated by the reference voltage generator. The feedback circuit generates a feedback control signal according to the adjusted reference voltage and the feedback signal. The driving circuit generates at least one control signal for controlling the converting circuit according to the feedback control signal. | 11-01-2012 |
20120319754 | TRANSISTOR SWITCH CONTROL CIRCUIT - A synchronous driving circuit in the arts may cause a short through pheromone when a duty cycle of a duty cycle control signal is too short. The present invention sets a delay time with a suitable period when the duty cycle of the duty cycle control signal is too short to avoid the short through phenomenon. | 12-20-2012 |
20130009547 | LED DRIVING CIRCUIT WITH OPEN-CIRCUIT PROTECTION - An LED driving circuit with open-circuit protection is disclosed. The LED driving circuit pulls down an operation voltage supplied to a converting controller of the LED driving circuit when a voltage across an LED module of the LED driving circuit is too high, so as to stop the converting controller operating and further latch the converting controller at the protection state until that the converting controller is restarted or the condition of the voltage supplied to the LED module being too high is solved. | 01-10-2013 |
20130043798 | LOAD DRIVING CIRCUIT WITH CHARGE SPIKE PROTECTION - A load driving circuit comprises a converting circuit, a converting controller, a load driving modulator, and a charge spike protection circuit. The converting circuit is adapted to be coupled to an output power source and supplies a driving power source to drive a load. The converting circuit has an output capacitance coupled to an output end thereof. The converting controller controls an amount of the driving power source responsive to a current or a voltage of the load. The load driving modulator and the load, connected in series, are coupled to the output end and so the load driving modulator adjusts an electronic state of the load. The charge spike protection circuit is coupled to the output capacitance and at least one connecting node of the load and the load driving modulator to provide a unidirectional charge release path to the output capacitance. | 02-21-2013 |
20130107411 | DRIVING CIRCUIT WITH OUTPUT PROTECTION AND DRIVING PROTECTION CIRCUIT APPLIED TO THE SAME | 05-02-2013 |
20130119867 | LED CURRENT BALANCE APPARATUS - The present invention provides an LED current balance apparatus, which utilities capacitances coupled to secondary windings of a transformer to store voltage differences between LED strings. Thereby, the driving voltages applied to LED strings are respectively modulated to make the LED strings flowing through a same driving current. A current regulating apparatus is coupled to all LED strings to stabilize total current of the LED strings at a predetermined current. | 05-16-2013 |
20130121036 | RESONANT CONVERTING CIRCUIT AND RESONANT CONTROLLER - The resonant converting circuit comprises a resonant circuit, a current detecting circuit and the resonant controller. The resonant controller controls a power conversion of the resonant circuit for converting an input voltage into an output voltage and the resonant controller comprises an over current judgment unit and an over current protection unit. The over current judgment unit determines whether the resonant current is higher than an over current value according to a current detecting signal generated by the current detecting circuit. The over current protection unit generates a protection signal in response to a determined result of the over current judgment unit and an indication signal indicative of an operating state of the resonant controller. The resonant controller executes a corresponding protecting process in response to the protection signal. | 05-16-2013 |
20130121037 | Resonant Converting Circuit and Resonant Controller - A current detecting circuit detects a resonant current in a primary side of a resonant converting circuit to generate a current detecting signal. An output detecting circuit generates a feedback signal according to the output voltage. A resonant controller generates a clock signal and adjusts an operating frequency of the clock signal in response to the feedback signal for modulating the output voltage of the resonant circuit. The resonant controller includes a resonance deviation protection unit which detects the current detecting signal according to a phase of the clock signal to determine whether the resonant circuit enters a region of zero current switching or not. When the resonant circuit enters the region of zero current switching, the resonant controller executes a corresponding protection process in response to that the resonant controller operates in a starting mode or a normal operating mode. | 05-16-2013 |
20130169249 | MULTI-PHASE DC-DC CONVERTER AND METHOD OF CONTROLLING THE SAME - A multi-phase DC-DC converter and a method of controlling a multi-phase DC-DC converter are disclosed. The multi-phase DC-DC converter is adapted to control a plurality of channels in a multi-phase DC-DC converting circuit for providing an output voltage. The multi-phase DC-DC converter comprises a constant on unit, a plurality of PWM units and a pulse width logic unit. The constant on unit determines a time point of generating a turning on signal indicative of a preset time period according to the output voltage. Each PWM unit generates a PWM signal, and a pulse width thereof is determined according to the turning on signal and currents of the channels. The pulse width logic unit controls the channels according to the corresponding PWM signals generated by the plurality of PWM units. | 07-04-2013 |
20130175869 | POWER-GOOD SIGNAL GENERATOR AND CONTROLLER WITH POWER SEQUENCING FREE - A power-good signal generator generates a power-good signal according to a control signal of a controller, and comprises an impedance element, a controlled transistor and a power sequencing free circuit. An end of the impedance element is coupled to a second voltage source. The controlled transistor has first and second input/output ends and a controlled end, wherein the first input/output end is coupled to the other end of the impedance element to generate the power-good signal. An operating state of the controlled transistor is changed in response to the control signal. The power sequencing free circuit is coupled to the controlled end and one of the first input/output end and the second voltage source. When the second voltage source is supplied before the first voltage source, the power sequencing free circuit turns on the controlled transistor to clamp the power-good signal to be lower than a predetermined voltage level. | 07-11-2013 |
20130271006 | LED Driving Circuit - An LED driving circuit comprises a converting circuit, a current regulator, a converting controller and a low dimming protection blocking circuit, is disclosed. The converting circuit is adapted to perform a power conversion to provide a driving voltage for lighting an LED module. The current regulator is coupled to the LED module for regulating a current flowing through the LED module. The current regulator conducts and stops conducting the current flowing through the LED module according to a dimming signal, and executes a protection process when the LED module operates abnormal. The converting controller controls the power conversion of the converting circuit according to a voltage level of at least one connection node of the current regulator and the LED module. The low dimming protection blocking circuit stops the protection process of the current regulator when the driving voltage is lower than a predetermined value. | 10-17-2013 |
20130271097 | CONTROLLER AND CONVERTING CONTROLLER WITH MULTI-FUNCTION PIN - A controller with a multi-function pin, adapted to control a converting circuit according to a control signal for converting an input voltage into an output voltage, is disclosed. The controller has the multi-function pin, an enable unit, an over-current detecting unit and a logic control unit. The enable unit is coupled to the multi-function pin for receiving an enable signal and activates the controller in response to the enable signal. The over-current detecting is coupled to the multi-function pin and determines an over-current value according to an over-current set resistance coupled between the multi-function pin and a voltage source. The over-current detecting unit generates an over-current protection signal according to the over-current value and a current flowing through the converting circuit. The logic control unit determines whether executing an over-current protection according to the over-current protection signal. | 10-17-2013 |
20130301178 | Control Circuit and Synchronous Protection Control System - A control circuit, comprising a protection detection circuit, a protection synchronous output circuit, a protection synchronous input circuit and a protection circuit, is provided. The protection detection circuit is adapted to generate an error notice signal when detecting an error condition. The protection synchronous output circuit is coupled to the protection detection circuit far enabling a level of a protection synchronous pin to be a protection level when receiving the error notice signal. The protection synchronous input circuit is coupled to the protection synchronous pin for generating a synchronous protection signal when the level of the protection synchronous pin has been at the protection level for a predetermined time period. The protection circuit generates a protection signal to make the control circuit enter a protection mode when receiving one of the error notice signal and the synchronous protection signal. | 11-14-2013 |
20130314027 | BATTERY BALANCE CIRCUIT - A battery balance circuit is adapted to balance battery voltages among a plurality of battery cells. The battery balance circuit is enabled to perform a battery balance process when the battery cells are charged, and is disabled when one of the batter cells is fully charged or the battery cells are un-charged. | 11-28-2013 |
20140062428 | FEEDBACK DETECTION CIRCUIT - Disclosed is a feedback detection circuit, adapted to provide a feedback detection signal wherein a converting circuit provides a driving power source to drive a load according to the feedback detection signal. The feedback detection circuit comprises an operational conversion circuit and a signal limitation circuit. The operational conversion circuit generates the feedback detection signal in response to a level of a detected node of the load. The operational conversion circuit has an operational amplifier, which modulates the level of the feedback detection signal in response to the level of the detected node. The signal limitation circuit is coupled to the operational conversion circuit for clamping a level rang of the feedback detection signal. | 03-06-2014 |
20140103896 | DC TO DC BUCK CONVERTING CONTROLLER WITH PROGRAMMABLE ON-TIME PERIOD UNIT - A programmable on-time period of a DC to DC buck converting controller is adjusted according to a level of a preset output voltage or a reference signal. Therefore, the DC to DC buck converting controller of the present invention is suitable for any applications with different requests of output voltages or different operating mode. | 04-17-2014 |
20140152274 | CONTROLLER WITH PROTECTION FUNCTION - A controller with protection function, comprising a feedback circuit, a logic control circuit, an over-state judgment circuit, and a protection control circuit, is disclosed. The feedback circuit generates a modulation signal according to an output of a converting circuit. The logic control circuit is coupled to the feedback circuit and controls the converting circuit according to the modulation signal for stabilizing the output of the converting circuit. The over-state judgment circuit receives an over-state reference signal and a detecting signal, and generates a protection signal in response to levels of the detecting signal and the over-state reference signal. The protection control circuit is coupled to the logic control circuit and the over-state judgment circuit and controls the logic control circuit to lower the output of the converting circuit when receiving the protection signal. | 06-05-2014 |
20140197808 | DC-DC CONVERTER - A DC-DC converter, adapted to control a converting circuit to convert an input voltage into an output voltage, is disclosed. The converting circuit comprises a switch module and an LC filter, the switch module is coupled to the input voltage, and the LC filter is coupled to the switch module and provides the output voltage. The DC-DC converter comprises a system control circuit, a driver circuit, and an output voltage adjusting circuit. The system control circuit generates a switch control signal according to a reference voltage and a state of the LC filter. The driver circuit controls the switch module according to the switch control signal for adjusting the output voltage in response to the reference voltage. The output voltage adjusting circuit determines whether adjusting the output voltage toward a predetermined adjusting voltage according to an adjusting reference voltage and a detecting voltage indicative of the output voltage. | 07-17-2014 |
20140197812 | CONSTANT ON TIME CONTROL CIRCUIT AND DC-DC CONVERTING CIRCUIT - A constant on time control circuit, configured to control a converting circuit to transform an input voltage into a stable output voltage, is disclosed. The constant on time control circuit comprises a comparing circuit and a logic circuit. The comparing circuit compares a reference signal and a voltage signal indicative of the output voltage and accordingly outputs a compared result signal. The logic circuit periodically controls the converting circuit to perform voltage transformation and makes a time period of a duty cycle in every cycle being substantially constant. A start point in time of every cycle is determined according to the compared result signal. The comparing circuit comprises a differential pair, a base current source and an extra current source. The base current source provides a bias current to the differential pair. The extra current source provides a substantial ramp current to one channel in the differential pair. | 07-17-2014 |
20140266111 | MULTIPHASE CONVERTER CONTROLLER WITH CURRENT BALANCE - A multiphase converter controller with current balance, configured to control a plural converting circuit to commonly supply an output voltage, is disclosed. The multiphase converter controller comprises a feedback circuit, a fixed on-time circuit, and a multiphase logical circuit. The feedback circuit detects the output voltage to generate a feedback control signal. The fixed on-time circuit generates an on-time signal according to the feedback control signal, and a pulse width of the on-time signal is determined according to a single timer. The multiphase logical circuit chooses a corresponding converting circuit, generates a phase signal according to a sequence of the feedback control signal and controls the corresponding converting circuit according to the on-time signal. Wherein, the fixed on-time circuit determines a correction value according to currents of the plural converting circuit and the phase signal, so as to correct the pulse width of the on-time signal. | 09-18-2014 |
20140292291 | MULTIPHASE CONVERTING CONTROLLER - A multiphase converting controller, adapted to control a plural converting circuits coupled to an input voltage to commonly supply an output voltage, is disclosed. The multiphase converting controller comprises a feedback control circuit, an on-time control circuit, and a multiphase logic control circuit. The feedback control circuit determines a conduction starting point in time according to the output voltage and accordingly generates a conduction signal. The on-time control circuit determines a conduction time period. The multiphase logic control circuit controls the plural converting circuit in sequence in accordance to the conduction signal and the conduction time period. The on-time control circuit adjusts a length of the conduction time period according to a mode signal. | 10-02-2014 |
20140333217 | FEEDBACK CONTROL CIRCUIT AND LED DRIVING CIRCUIT - A feedback control circuit, adapted to control a converting circuit to transform an input power into an output voltage for driving an LED module. The feedback control circuit comprises a detection circuit, a PWM circuit, a PWM logic control circuit and a PWM control circuit. The detection circuit is coupled to at least one LED string of the LED module and generates at least one detection signal. The PWM circuit comprises a capacitance, a charging circuit and a discharging circuit, and determines a capacitance voltage of the capacitance to increase, decrease, or maintain. The PWM logic control circuit compares a level of the least one detection signal with a high reference level and a low reference level to control the PWM circuit to adjust the capacitance voltage. The PWM control circuit controls the converting circuit to execute the power transformation in response to the capacitance voltage of the capacitance. | 11-13-2014 |
Shian-Sung Shiu, Yonghe City TW
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20090309566 | DC/DC converter circuit and controller thereof - The present invention uses a multi-phase oscillator or a mono-stable circuit in order to charge the output instantly or within an acceptable time period when a charge pump circuit is in a PFM mode and an output voltage is below a preset voltage level. Therefore, the present invention avoids the problem of charging the output in an unacceptable time delay thereby achieving the advantage of reducing the voltage ripple at the output. | 12-17-2009 |
20090315515 | BATTERY CHARGING CONTROLLER AND BATTERY MODULE USING THE SAME - The present invention discloses a battery charging controller for achieving a balanced battery charge. The battery charging controller includes a voltage divider, a switch module and a balance circuit. A reference voltage generated by the voltage divide is used to determine which battery unit in a battery module has an insufficient voltage lower than the others, so that the balance circuit controls the switch module to allow a larger current to charge a lower-voltage battery than a higher-voltage battery, so as to result in substantially the same voltage for each fully charged battery of the battery module. | 12-24-2009 |
20090322235 | LED DRIVING CIRCUIT, LED DRIVING CONTROL UNIT AND TRANSISTOR SWITCH MODULE THEREOF - An LED driving circuit is used for dimming by switching between an operating current and a maintaining current or by voltage clamping of a source/drain of MOSFET that is coupled to the LED module. When the LED module is dimmed off, the voltage across the LED module can be kept at a value around a lighting threshold voltage of the LED module that is a minimum voltage for lighting the LED module. Therefore, a voltage difference between the drain and the source of MOSFET coupled to the LED module is smaller than that in the conventional arts. Hence, a withstand voltage of MOSFET can be reduced, and cost of the LED driving circuit as well as the power consumption of MOSFET can be lessened, thereby improving integral efficiency of the circuit. | 12-31-2009 |
20090322252 | LED DRIVING CIRCUIT AND A MOSFET SWITCH MODULE THEREOF - An LED driving circuit and a MOSFET switch module thereof is disclosed, and the MOSFET switch module which is used to control a current of the LED driving circuit. The present invention employs a voltage clamping device to clamp the voltage level of the drain of transistor in the MOSFET switch module when being turned off. Via this way, the requirement for the withstand voltage of the transistor is lowered, and so the cost and power consumption thereof is reduced. | 12-31-2009 |
20100084983 | LED driving circuit - An LED driving circuit is provided for driving an LED module, comprising a transistor switch and a feedback controller. The transistor switch has a control terminal, a first terminal, and a second terminal. The first terminal is coupled to the LED module and the control terminal receives a control signal for controlling a current passing through the transistor switch. The feedback controller receives a reference voltage and a current detecting signal indicative of the magnitude of the current and generates the control signal accordingly. The feedback controller is connected to a driving power source with level higher than the level of the first terminal of the transistor switch. Hence, the maximum level of an adjustable range of the control signal is higher than the first terminal of the transistor switch. | 04-08-2010 |
20100141209 | Battery charging controller and battery balance charging controller - The present invention discloses a battery charging controller for balancing the charged batteries. The battery charging controller comprises a battery reference voltage generator, a voltage balancing module and a balance judging circuit. The battery charging controller determines which one has the lower voltage between battery units of a battery module according to reference voltages generated by the battery reference voltage generator. The voltage balancing module controlled by the balance judging circuit allows the charging current of the lower-voltage battery larger than the charging current of the higher-voltage battery in such that the final voltages of the battery units are substantially equaled when they are completely saturated. | 06-10-2010 |
Shih-Wei Shiu, Yunlin County TW
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20110274186 | PEAK-TO-AVERAGE POWER RATIO REDUCTION METHOD FOR ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING SYSTEMS BASED ON PATH FINDING - In a peak-to-average power ratio (PAPR) reduction method for an orthogonal frequency division multiplexing (OFDM) system based on path finding, the method applied to the OFDM system uses an ant colony optimization (ACO) algorithm and a PTS to reduce a PAPR value, and an area of a computing circuit. In a simulated result, the method can reduce the PAPR effectively, and can be executed by a lower level of complexity of the computation. To solve a large matrix of the PTS, an ant colony optimization algorithm is used for calculating phase rotation vectors of a better quality effectively to achieve the effects of improving the performance, overcoming the high level of complexity of the computing circuit, and reducing the large area of the computing circuit. | 11-10-2011 |
Shu-Ping Shiu, Tainan County TW
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20110007675 | SYSTEM FOR THE COEXISTENCE BETWEEN A PLURALITY OF WIRELESS COMMUNICATION MODULE SHARING SINGLE ANTENNA - A system for the coexistence between a plurality of wireless communication modules sharing a single antenna is provided, including an antenna, first and second transceiving paths, and first and second wireless communications modules. The first transceiving path is coupled to the antenna. The second transceiving path is coupled to the first transceiving path. The first wireless communications module is coupled to the first transceiving path and transmits or receives a plurality of first wireless signals. The second wireless communications module is coupled to the second transceiving path and transmits or receives a plurality of second wireless signals, wherein signal strengths of the second wireless signals passing through the second transceiving path are attenuated by a certain level, and the attenuated second wireless signals are added to the first wireless signals when passing through the first transceiving path. | 01-13-2011 |
20110053523 | Systems and Methods for Coexistence of a Plurality of Wireless Communications Modules - A wireless communications system is provided with a first wireless communications module, a second wireless communications module, and an RF module. The first wireless communications module transmits or receives a first wireless signal, and the second wireless communications module transmits or receives a second wireless signal. The RF module allocates a first transceiving path and a second transceiving path to the first wireless communications module and the second wireless communications module, respectively, to enable the transmission or reception of the first wireless signal and the second wireless signal at the same time. | 03-03-2011 |
Tsung-Hau Shiu, Hsinchu TW
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20120260076 | METHOD AND DEVICE FOR RESETTING A SYSTEM TO FACTORY DEFAULT SETTINGS - A method for resetting a system to factory default settings is provided. The method includes: disconnecting-connecting a power source repeatedly; detecting whether a count value of disconnecting-connecting the power source has exceeded a predetermined value; and triggering a procedure of resetting the system to factory default settings when the count value has exceeded the predetermined value. | 10-11-2012 |
Vincent Shiu, Taoyuan TW
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20090094967 | Second Air Flow Control Apparatus - A second air flow control apparatus disposed between an air inlet port of an engine and an exhaust port includes a body, a base, a moving member, and a gas thread. The body has a cavity, an air inlet and an air outlet, the air inlet and the air outlet being connected through the cavity. The base is fixed in the cavity, having at least an opening for controlling the air flow through the air flowing path. The moving member is pivotably disposed in the cavity or the base by a spring force and having at least a gate and a cover configured for controlling the area of the opening. The gas thread is connected to the moving member and configured for pulling the moving member to generate a processional rotation and a resetting rotation. The rotations are configured for controlling the gate and the cover part to adjust the opening area of the opening so as to precisely control the second air flow. | 04-16-2009 |
Wei-Cheng Shiu, Taoyuan County TW
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20100020298 | LITHOGRAPHY APPARATUS WITH AN OPTICAL FIBER MODULE - A lithography apparatus with an optical fiber module includes: a light source, a photo mask positioned under the light source, a lens positioned under the photo mask, a wafer stage positioned under the lens for supporting the wafer, wherein the wafer includes a dry film. The lithography apparatus further includes an optical fiber module having a front surface facing away from the lens, wherein a gap is between the front surface and the dry film and the gap is smaller than the wavelength of the light source. The DUV (deep ultraviolet) can pass through the optical fiber module. The present invention features a gap smaller than the wavelength of the light source, creating a near-field effect with improved resolution. | 01-28-2010 |
20100073651 | LITHOGRAPHY APPARATUS - A lithography apparatus includes: a light source comprising a first light beam and a second light beam, a photomask, a polarization controlling system positioned between the light source and the photomask, a wafer state for holding a wafer, and a lens positioned between the photomask and the wafer stage. The polarization controlling system diverts the first light beam into a first polarization direction and diverts the second light beam into a second polarization direction, wherein the first polarization direction and the second polarization direction are different from each other. | 03-25-2010 |
20100323521 | PATTERNING METHOD - A patterning method has a mask layer and undoped patterns sequentially formed on a target layer. A doping process is performed to surfaces of the undoped patterns to form doped patterns from the surfaces of the undoped patterns. A material is filled in the gaps between the doped patterns. A portion of the doped patterns are then removed to expose the top surfaces of the remaining undoped patterns. The material and the exposed undoped patterns are removed. A portion of the mask layer is removed using the remaining doped patterns as a mask to form a first pattern on the mask layer. A portion of the target layer is removed using the mask layer having the first pattern thereon as a mask so as to form on the target layer a second pattern complementary to the first pattern. | 12-23-2010 |
20110051113 | LITHOGRAPHY SYSTEM AND OPTICAL MODULE THEREOF - A lithography system includes a light source, a photo mask positioned downstream of the light source, an optical module having a front surface positioned downstream of the photo mask, and a wafer stage positioned downstream of the optical module for supporting a wafer, wherein the wafer comprises a dry film and a first medium positioned between the front surface of the optical module and a surface of the dry film. The optical module includes a container, a liquid medium situated in the container and a first set of lenses immersed in the liquid medium. | 03-03-2011 |
20110222030 | IMMERSION LITHOGRAPHIC APPARATUSES - Apparatuses for specially designed gradient immersion lithography are presented. The gradient immersion lithographic apparatus includes a radiation system providing a patterned beam of radiation, a substrate table with a substrate structure held thereon, a projection system with an optical lens element arranged to project the patterned beam of radiation onto the substrate structure, multiple layers of media of gases, liquids, or liquid crystals partitioned by moveable plates arranged in sequence between the projection system and the substrate structure, and a controller for displacement of the moveable plates to adjust relative thicknesses of the multiple layers of media. | 09-15-2011 |
20130157176 | PHOTOMASK - A photomask is provided. The photomask is applied to a photolithography apparatus and includes a substrate with a mask pattern disposed thereon. The mask pattern includes at least one main pattern and a plurality of sub-resolution assistant features (SRAFs). The SRAFs are disposed around the main pattern and separated from each other, wherein a distance between each of the SRAFs and the main pattern is about 3 to 10 times a linewidth of the main pattern. The photomask would result in an improved imaging quality on the wafer. | 06-20-2013 |
Wei-Cheng Shiu, Gueishan Township TW
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20090227108 | Patterning method in semiconductor manufacturing process - A patterning method in a semiconductor manufacturing process includes the following steps. A base is provided. A target layer and a lining layer are sequentially formed on the surface of the base. The lining layer is patterned to form a plurality of rectangular blocks. A sidewall spacer material layer is formed on the rectangular blocks and the target layer. Part of the sidewall spacer material layer is removed to form a sidewall spacer on the side wall of each of the plurality of rectangular blocks. The plurality of rectangular blocks is removed, and the sidewall spacer is used as a hard sheltering mask to etch and remove part of the target layer. The overlay accuracy is improved and the dimension of the electronic elements can be reduced so that a lot of two-dimension structures can be manufactured on the wafer substrate. | 09-10-2009 |
Wei-Chuan Shiu, Pingtung County TW
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20110288219 | METHOD FOR FORMING COMPOSITE MATERIALS - Disclosed is layered double hydroxides (LDH) used to catalyze the polymerization of polyethylene terephthalate (PET). The LDH of a catalyst amount may efficiently reduce the PET polymerization period and further be uniformly blended into the PET product to form composites. Compared with the pure PET, the composite including LDH has better properties such as mechanical properties, linear expansion coefficient, barrier, thermal stability, and transparency. In addition, the LDH in the composite is safer than conventional heavy metal catalysts, especially when applied to food or drink packages. | 11-24-2011 |
Wei-Ting Shiu, Kaohsiung City TW
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20100248084 | FLEXIBLE CURRENT COLLECTING FIBER BUNCH AND FUEL CELL STRUCTURE USING THE SAME - A flexible current collecting fiber bunch comprises a plurality of current collecting fiber conductors and at least one electrical wire. There is an interval between each two adjacent current collecting fiber conductors. The electrical wire used to cascades the current collecting fiber conductors. The flexible current collecting fiber bunch may replace the graphite or metal bipolar commonly plate used in the fuel cell at lowers the pressure needed for a good contact and adds flexibility in the stack design. | 09-30-2010 |
20100255408 | FUEL CELL STRUCTURE - A fuel cell structure mainly comprises a frame and a membrane electrode assembly. The frame has an inside wall, and the membrane electrode assembly comprises a first electrode, a second electrode, and an electrolyte membrane disposed between the first electrode and the second electrode. The electrolyte membrane having an electrode joint portion and an adhesive portion. The first electrode and the second electrode are laid on two opposite sides of the electrode joint portion separately. The adhesive portion is attached onto the inside wall. | 10-07-2010 |
Xuan-Chang Shiu, Pi Tou Hsiang TW
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20130082961 | TOUCH-SENSITIVE DEVICE AND TOUCH-SENSITIVE DISPLAY DEVICE - A touch-sensitive device includes a transparent substrate, a decoration layer and a touch-sensing electrode layer. The decoration layer is disposed on the transparent substrate and includes a plurality of medium layers stacked with each other, and the decoration layer has at least one step portion and the step portion is defined by edges of two adjacent medium layers. The touch-sensing electrode layer is disposed on the transparent substrate and overlaps at least the step portion. | 04-04-2013 |
Xuan-Chang Shiu, Chang Hua County TW
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20120182261 | TOUCH-SENSITIVE DEVICE AND TOUCH-SENSITIVE DISPLAY DEVICE - A touch-sensitive device includes a first and a second substrate and a first and a second touch-sensing electrode structure. The first touch-sensing electrode structure is disposed on the first substrate, and at least one touch position of a conductor is detected by sensing the capacitance variation of the first touch-sensing electrode structure. The second touch-sensing electrode structure is disposed on one side of the second substrate back to the first touch-sensing electrode structure. At least one touch position of an insulator is detected by sensing a variation of the interval between the first touch-sensing electrode structure and the second touch-sensing electrode structure. | 07-19-2012 |
20120249465 | TOUCH PANEL AND TOUCH-SENSITIVE DISPLAY DEVICE - A touch panel structure and the manufacturing method thereof are disclosed, in which the manufacturing method includes the steps of: providing a bonding layer; and forming a conductive pattern layer on the bonding layer; wherein the conductive pattern layer is composed of at least one first and at least one second major conductors with an insulation layer interposed between the first and the second major conductors. Comparing with the prior art for manufacturing touch panels, the disclosure is advantageous in material cost, production cost, and production yield; moreover, the panel lamination process can be simplified and the touch panel structure can be joined to a planar or curvy panel and facilitate the design of a thinner product. | 10-04-2012 |
20140368761 | TOUCH PANEL AND TOUCH-SENSITIVE DISPLAY DEVICE - A touch panel includes a cover glass, a flexible substrate, and a touch-sensing electrode structure. The flexible substrate is connected to the cover glass via a bonding layer, and the touch-sensing electrode structure is formed on the flexible substrate. The cover glass, the bonding layer, the flexible substrate and the touch-sensing electrode structure are arranged in order, with the flexible substrate being located between the touch-sensing electrode structure and the bonding layer. | 12-18-2014 |
Yaw-Hwa Shiu, Taoyuan County TW
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20130093456 | TESTING DEVICE FOR SOLID OXIDE FUEL CELL - A testing device for solid oxide fuel cell (SOFC) is disclosed. The testing device which combines the original cell housing with a four-point probe equipment is set for measuring SOFC MEA. The current collectors on anode and cathode in the original cell housing are respectively replaced by four independent probe units. They are not only to collect current but also to become measuring probes. Therefore, the lateral impedance of anode and cathode can be measured. Furthermore, the local characteristics are examined by open circuit voltage (OCV), I-V curve, and electrochemical impedance spectroscopy (EIS) measurements. The results show that the lateral impedance is substantially varied with temperatures. The distributions of OCV, current density, EIS and cell voltage in long-term test at the center of the cell are different from the edge. | 04-18-2013 |
Yi-Han Shiu, Taoyuan County TW
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20090088227 | Detachable connection mechanism - A detachable connection mechanism is to establish an electrical connection between a mobile phone and a notebook computer. The detachable connection mechanism is designed at a housing board. The housing board has an opening. A load board is pivotally connected with the housing board, and in contact with or away from the housing board in parallel. When the load board is in contact with the housing board, the load board is fitted within the opening. Two rotatable members are pivotally connected with housing board. Several resilient arms are respectively pivotally connected with the housing board at one end and with the load board at the other end. The mobile phone is selectively connected or disconnected with the notebook computer by interacting the rotatable members, movable members, resilient arms and the load board. | 04-02-2009 |
Yi-Ming Shiu, Taoyuan County TW
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20130182853 | Multi-Channel Down-Mixing Device - A down-mixing device is provided. 5.1-channel sounds are down-mixed into 4-channel sounds with high-quality multi-channel surrounding sound effect reappeared. A common-acoustic-pole and zero (CAPZ) model is used to rebuild frequency responses of original head-related transfer functions (HRTF). Direct sounds, reflection sounds and late reverberation in a spatial sound field are gathered. Thus, varieties of sounds become rich and 3-dimensional hearing experiences are enhanced with low cost for a 4-channel earphones system. | 07-18-2013 |
Ying-Liang Shiu, Taoyuan TW
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20090289507 | INTELLECTUAL POWER SAVING SWITCHING ASSEMBLY - An intellectual power saving switching assembly connected between an external AC power input and a device to be monitored for automatically turning on or turning off power supplied to the device to be monitored. The assembly includes a power source; an AC power input; a switchable AC power switch device; at least one current detector for detecting current flowing into the device to be monitored by direct detection or indirection detection; at least one AC power output end for supplying power from the current detector to the device to be monitored; a signal detecting transceiver for detecting an actuation signal from a remote controller; and a logic electronic circuit capable of receiving standby signals from the current detector and a far end actuation signals so as to perform status determination for interrupting or transferring the current from the AC power input to the device to be monitored. | 11-26-2009 |
20100141049 | INTELLECTUAL POWER SAVING SEITCHING ASSEMBLY - An intellectual power saving switching assembly connected between an external AC power input and a device to be monitored for automatically turning on or turning off power supplied to the device to be monitored. The assembly includes a power source; an AC power input; a switchable AC power switch device; at least one current detector for detecting current flowing into the device to be monitored by direct detection or indirection detection; at least one AC power output end for supplying power from the current detector to the device to be monitored; a signal detecting transceiver for detecting an actuation signal from a remote controller; and a logic electronic circuit capable of receiving standby signals from the current detector and a far end actuation signals so as to perform status determination for interrupting or transferring the current from the AC power input to the device to be monitored. | 06-10-2010 |
20100219701 | INTELLECTUAL POWER SAVING SWITCHING ASSEMBLY - An intellectual power saving switching assembly connected between an external AC power input and a device to be monitored for automatically turning on or turning off power supplied to the device to be monitored. The assembly includes a power source; an AC power input; a switchable AC power switch device; at least one current detector for detecting current flowing into the device to be monitored by direct detection or indirection detection; at least one AC power output end for supplying power from the current detector to the device to be monitored; a signal detecting transceiver for detecting an actuation signal from a remote controller; and a logic electronic circuit capable of receiving standby signals from the current detector and a far end actuation signals so as to perform status determination for interrupting or transferring the current from the AC power input to the device to be monitored. | 09-02-2010 |
Yu-Da Shiu, Hsinchu TW
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20110294253 | POLYDIODE STRUCTURE FOR PHOTO DIODE - An integrated circuit device for converting an incident optical signal into an electrical signal comprises a semiconductor substrate, a well region formed inside the semiconductor substrate, a dielectric layer formed over the well region, and a layer of polysilicon for receiving the incident optical signal, formed over the dielectric layer, including a p-type portion, an n-type portion and an undoped portion disposed between the p-type and n-type portions, wherein the well region is biased to control the layer of polysilicon for providing the electrical signal. | 12-01-2011 |
Yu-Ling Shiu, Taipei City TW
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20140155633 | Composition for Stabilizing Ascorbic Acid Derivatives and the Application Thereof - This invention discloses a composition for stabilizing ascorbic acid derivative and the application thereof. The mentioned composition comprises ascorbic acid derivative, buffer, phosphonic acid derivative and at least one alcohol. The yellowish and degradation of ascorbic acid derivative can be efficiently decreased by the mentioned composition. Moreover, the mentioned composition can be used in topical composition, such as toner, serum, lotion, cream. | 06-05-2014 |
Yun-Feng Shiu, Taoyuan Hsien TW
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20130345855 | PLASTIC PRODUCT MANUFACTURING METHOD AND ALL-ELECTRIC INJECTION-MOLDING MACHINE - A plastic product manufacturing method includes (a) providing a cloud server which stores a machine number and machine parameters of an all-electric injection-molding machine that includes a controller; (b) downloading the machine parameters from the cloud server according to the machine number; (c) executing mold flow analysis software to generate model data and optimal injection conditions of a mold according to the machine parameters; (d) setting a mold number and a password to the model data and the optimal injection conditions and then storing the same in the cloud server after packaging; (e) connecting to the cloud server using the machine number, the mold number, and the password by the controller; (f) downloading the optimal injection conditions to the controller after the cloud server confirms the machine number, the mold number, and the password; and (g) driving the all-electric injection-molding machine by the controller according to the optimal injection conditions. | 12-26-2013 |
Yung-Sung Shiu, Taoyuan County TW
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20150035418 | POWER SUPPLY CASE HAVING WATERPROOF STRUCTURE - A power supply case having a waterproof structure includes an upper case and a lower case, a waterproof structure is formed by a waterproof groove and a waterproof rib. After the upper case and the lower case are engaged, an engaged status is formed by the waterproof rib and the waterproof groove, and the power supply case is formed with at least an open zone penetrated in the area where the waterproof structure is formed, and characterized in that: a surface of the open zone defined in the waterproof groove is inwardly formed with an extended groove part which is communicated with the waterproof groove. The waterproof structure is able to be matched with a waterproof strip, and the length of the waterproof strip is able to be longer than the length of the waterproof groove. | 02-05-2015 |
Yun-Heng Shiu, Shulin City TW
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20100128490 | LIGHT GUIDE PLATE STRUCTURE - A light guide plate structure includes a light guide plate made of a light-transmitting material, and reflecting sections provided on at least one face of the light guide plate by cutting the face to form a plurality of grooves at predetermined positions. By cutting the face of the light guide plate to form the reflecting sections, the light guide plate structure can be more easily manufactured to ensure good flatness without the risk of deformation and accordingly increased good yield. The light guide plate with good flatness can be precisely assembled to a related electronic element and provides uniform brightness when being used. | 05-27-2010 |
Yun-Heng Shiu, New Taipei City TW
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20140326589 | KEY PLATE AND ILLUMINATED KEYBOARD HAVING THE SAME - A key plate includes a light-permeable covering plate having a plurality of first key openings and includes a key symbol display plate disposed on the light-permeable covering plate and having a plurality of second key openings and a plurality of light-permeable key symbol blocks. The light-permeable key symbol blocks are positioned proximate to the second key openings, respectively. The second key openings correspond in position to the first key openings, respectively. Further provided is an illuminated keyboard with the key plate. Accordingly, the key plate and the illuminated keyboard feature simplified structure, low manufacturing costs, and short manufacturing process, prevent users' fingers from hiding symbols displayed on the keys in bright and dark environments, prevent the symbols displayed on the keys from getting blurred or smeared after long contact with the users' fingers, and feature variable appearance of the key symbol display plate. | 11-06-2014 |