Shih, Taichung City
Cheng Hsiu Shih, Taichung City TW
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20110083307 | MULTI-SPINDLE MACHINING MACHINE WITH TOOL CHANGING MECHANISM - A multi-spindle machining machine with a tool changing mechanism comprising a base; a carrier including a seat to move in Z axis, a rotary shaft fixed on the seat laterally to drive the seat to rotate in A axis, and a fixing holder coupled to an end portion of the rotary shaft to fix a workpiece; a tool changing mechanism including a mount mounted to the rotary shaft to rotate with the rotary shaft and a monitor fixed on the seat to measure a length of the tool clamped on the driving spindle, and including a plurality of slots to receive the tools respectively; a working head moving above the carrier and the tool changing mechanism in X and Y axes and including a driving spindle mounted on a lower end thereof to rotate axially, and the lower end of the driving spindle allowing to engage and disengage the tool. | 04-14-2011 |
20110085863 | MULTI-SPINDLE MACHINING MACHINE - A multi-spindle machining machine comprises a base including a working room to move a tool and a workpiece; a working head including a driving spindle disposed on a lower end thereof to clamp the tool; a carrier including a seat fixed on one side of the working room, a rotary shaft mounted on the seat laterally to drive the seat to rotate in an axial direction, a fixing holder connected to the rotary shaft to fix the workpiece to the fixing holder; a lateral driving device disposed on the base and located on one side of the working room in a horizontal direction to drive the working head to move in X and Y axes; a vertical driving device disposed on the base and located on another side of the working room in a lateral direction to drive the seat to move in Z axis direction. | 04-14-2011 |
20140100095 | MULTI-SPINDLE MACHINING MACHINE WITH TOOL CHANGING MECHANISM - A multi-spindle machining machine with a tool changing mechanism contains a base; a carrier including a seat to move in Z axis, a rotary shaft fixed on the seat laterally to drive the seat to rotate in A axis, and a fixing holder coupled to an end portion of the rotary shaft to fix a workpiece; a tool changing mechanism including a mount mounted to the rotary shaft to rotate with the rotary shaft and a monitor fixed on the seat to measure a length of the tool clamped on a driving spindle, and including a plurality of slots to receive the tools respectively; a working head moving above the carrier and the tool changing mechanism in X and Y axes and including the driving spindle mounted on a lower end thereof to rotate axially, and the lower end of the driving spindle allowing to engage and disengage the tool. | 04-10-2014 |
Chia-Chang Shih, Taichung City TW
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20130087251 | THERMOELECTRIC ALLOY MATERIAL AND THERMOELECTRIC ELEMENT - A thermoelectric alloy material and thermoelectric element are provided, wherein the thermoelectric alloy material includes a Half-Heusler (HH) composition as matrix. The thermoelectric alloy material is represented by following formula (I): | 04-11-2013 |
Chih-Heng Shih, Taichung City TW
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20100042866 | Method and Apparatus for Adjusting a System Timer of a Mobile Station - A method and an apparatus for adjusting a system timer of a mobile station (MS) are disclosed, wherein a clock cycle time of the system timer is of a predetermined length. The method comprises the following steps: detecting a frame boundary of a frame from a base station (BS), the frame is with a frame length; adjusting an interrupt signal of the system timer from a predetermined time to a time related to the frame; and adjusting the clock cycle time from the predetermined length to the frame length. The modified system timer of the MS is synchronized to a frame timing of the BS. | 02-18-2010 |
Chih-Hsin Shih, Taichung City TW
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20140038209 | Apparatus and Methodology to Carry Out Biochemical Testing on a Centrifugal Platform Using Flow Splitting Technique - The invention provides an apparatus and methodology to carry out biochemical testing on a centrifugal platform using flow splitting technique. In conventional biochemical testing, reagents need to be loaded individually into each reservoir. By using the flow splitting technique in this invention, one reagent only need to be loaded once, then, it can be evenly distributed into each reaction chambers in single or multiple layers format. The invention greatly reduces the required manpower when large numbers of assays are integrated on one platform. Because of the invention, many medical examinations can be performed efficiently, thus reduce the waste of manpower, time and cost. | 02-06-2014 |
Chih-Yung Shih, Taichung City TW
Feng-Ming Shih, Taichung City TW
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20110017250 | OVERHEAD COMBINED TENT STRUCTURE - The present invention provides an overhead combined tent structure, including a ring locator, sleeved onto a vertical object and a tent skeleton, formed by a plurality of brackets, and assembled transversely or longitudinally by the ring locator to define at least a floor area. There is a supporting member, linked to the floor area of the tent skeleton, and formed by a plurality of adjustable supports and also extended vertically to form a landing end. There is also a cladding cloth, covered externally onto the tent skeleton to form a living space. The overhead combined tent structure can overcome the shortcoming of uneven ground, and can be used more applicably with enhanced convenience. | 01-27-2011 |
20120000498 | OVERHEAD COMBINED TENT STRUCTURE - An overhead combined tent structure having a snap ring sleeved securely onto a vertical columnar object and which contains an adjustable clamping portion. A soft lining is assembled between the snap ring and vertical columnar object. A tent skeleton is composed of a plurality of racks and is extended outwards by taking the snap ring as a pivot and assembled crisscross to define a floor area. A plurality of single-opening connectors are used to connect the snap ring with various racks of the tent skeleton. The vertical plate is clamped by the snap ring and abutted externally onto the soft lining. A supporting leg assembly is linked to the floor area of the tent skeleton, made of a plurality of adjustable supports and protruded vertically to form a landing end. A universal swinging footstand is mated with the landing end of the adjustable support in a universal swinging state. | 01-05-2012 |
20130333152 | MOP WRINGER - A mop wringer is attached to an existing bucket, and the bucket is further provided with a driving device. The driving device includes a driving piece and a guide piece, to guide the mop wringer to twist and dry the cloth straps of the mop tip. Said mop wringer includes a fixing seat, attached to pan of or the whole top end of the bucket. A mop tip inserting portion is formed as a hollow space across one pan of the fixing seat, for the mop tip to insert into and join with. A rotary disc is provided on the bottom of the bucket and connected to the guide piece of the driving device, A wringing portion is formed as a ring and connected between the fixing cat and the rotary disc, including an upper open end, a lower open end a periphery and a mop holding space, | 12-19-2013 |
20140049055 | SAFE LINKAGE LOCKSET - A safe linkage lockset has a holding box, wherein a left and a right driving seat are assembled into its internal holding space parallelly and reversely. A linkage member is set rotatably between the driving seats. A door handle assembling portion is formed on the middle of the linkage member. The assembling portion could be provided with a doer handle. When pressing the door handle, the linkage member will be driven so that the driving seats are driven close to each other. When pulling up the handle, the driving seats are driven far away from each other. Two bolt bars are separately located into the assembly hole of the driven end on left and right driving seats, and the action end of bolt bar is protruded out of the holding box. Hence, this could adapt to common users' locking and unlocking habit. | 02-20-2014 |
Fu-Ping Shih, Taichung City TW
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20150253575 | WIDE-ANGLE LENS - A wide-angle lens is applicable to a head-mounted display having a display screen. The wide-angle lens includes a first lens having a positive refractive power and a second lens having a positive refractive power. Light emitted by the display screen passes to a user through the second lens and the first lens sequentially. The wide-angle lens satisfies the following conditions: | 09-10-2015 |
Hsi-Hsin Shih, Taichung City TW
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20150065642 | ORGANIC-INORGANIC COMPOSITE FILM AND METHOD FOR MANUFACTURING THE SAME - Disclosed is a method of manufacturing an organic-inorganic composite film. The method includes co-sputtering an inorganic target and a fluorine-containing organic polymer target, thereby simultaneously depositing atoms from the inorganic target and atoms from the fluorine-containing organic polymer target on a substrate. As such, an organic-inorganic composite film is obtained. The organic-inorganic composite film includes a homogeneous, amorphous, and nonporous material composed of carbon, fluorine, oxygen and/or nitrogen, and M. M can be silicon, titanium, aluminum, chromium, or combinations thereof. | 03-05-2015 |
20150119584 | CAYALYST SYSTEM AND MANUFACTURING METHOD OF CYCLIC CARBONATE BY THE SAME - A catalyst system and a method for manufacturing cyclic carbonate by the same are provided. The catalyst system includes a transition metal salt containing a halo group, an acetate group, or a combination thereof, and an organic phosphine ligand. The molar ratio of the organic phosphine ligand to the transition metal salt is greater than 0 and less than or equal to 50. | 04-30-2015 |
20150126681 | ORGANIC-INORGANIC COMPOSITE FILM AND METHOD FOR MANUFACTURING THE SAME - A method of manufacturing an organic-inorganic composite film is provided. The method includes co-sputtering an inorganic target and a fluorine-containing organic polymer target, thereby simultaneously depositing atoms from the inorganic target and atoms from the fluorine-containing organic polymer target on a substrate. As such, an organic-inorganic composite film is obtained. The organic-inorganic composite film includes a homogeneous, amorphous, and nonporous material composed of carbon, fluorine and/or chlorine, oxygen and/or nitrogen, and inorganic element M. The inorganic element M forms chemical bondings with carbon, fluorine, chlorine, oxygen and/or nitrogen, and wherein the bond length forms therefore is less than 2.78 Å. | 05-07-2015 |
20150183930 | FIRE-RESISTANT COMPOSITE MATERIAL - The present disclosure provides a fire-resistant composite material comprising: | 07-02-2015 |
20160096921 | CAYALYST SYSTEM - A catalyst system includes a transition metal salt containing a halo group, an acetate group, or a combination thereof, and an organic phosphine ligand. The molar ratio of the organic phosphine ligand to the transition metal salt is greater than 0 and less than or equal to 50. | 04-07-2016 |
Lung Ching Shih, Taichung City TW
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20150322669 | CONSTRUCTION BEAM CONNECTION DEVICE - A construction beam connection device includes an abutment member, a connection member positioned under the abutment member and a threaded assembly fixedly connected with the abutment member and extending through the connection member. The connection device can be directly mounted at the junction between beams. The threaded assembly serves to fasten the abutment member to the connection member so as to securely connect the construction beams with each other. Accordingly, the safety in working can be ensured and the working is facilitated. | 11-12-2015 |
20150322675 | CONSTRUCTION BEAM - A construction beam includes an elongated main body having two vertical walls, a top wall connected between top edges of the two vertical walls, two bottom walls respectively inward extending from bottom edges of the two vertical walls, and two upright walls upward extending from free edge of the bottom walls by a certain height. Multiple spacer assemblies are disposed between the two vertical walls of the main body to keep the vertical walls spaced from each other by a fixed distance. When mounting wooden bars on the beams, the wooden bars are secured to the main bodies by means of multiple fastening members for laying a moldboard on the wooden bars. Two beams can be axially connected with each other by means of a connection member to elongate the length of the beam. | 11-12-2015 |
Mei-Hui Shih, Taichung City TW
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20100150828 | RADIOACTIVE GOLD NANOPARTICLES AND METHODS OF MAKING AND USING THEM - Methods of preparing a composition comprising non-ionic, radioactive gold nanoparticles (R-GNPs) are disclosed. The method comprises: a) providing a solution comprising gold (Au-197) ions; and b) exposing the solution to neutron irradiation to generate a composition comprising non-ionic R-GNPs. Alternatively, the method comprises: a) providing a solution that comprises a composition comprising gold (Au-197) nanoparticles (GNPs); and b) exposing the GNP solution to neutron irradiation to generate a composition comprising non-ionic R-GNPs. Compositions that comprises non-ionic R-GNPs encapsulated within and/or anchored to MSNs, and methods of making the same are also disclosed. | 06-17-2010 |
Mei-Ju Shih, Taichung City TW
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20140092833 | METHOD AND APPARATUS FOR AUTONOMOUS CLUSTER HEAD SELECTION FOR MACHINE-TYPE-COMMUNICATIONS (MTC) - The present disclosure presents embodiments of a system and method for improved uplink transmission management in a network that includes one or more machine-type communication (MTC) devices. For example, in an aspect, the present disclosure presents a method of cluster head selection for a MTC device cluster, the method comprising transmitting a polling message from an eNodeB to one or more MTC devices of the MTC cluster, receiving one or more polling responses at the eNodeB from the one or more MTC devices, and determining the set of cluster heads based on the one or more polling responses; and transmitting cluster head information associated with each cluster head of the set of cluster heads to the one or more MTC devices. | 04-03-2014 |
Ming-Cheng Shih, Taichung City TW
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20090004731 | Cell culture apparatus and a fabricating method of the same - A cell culture apparatus and a method for fabricating the cell culture apparatus are disclosed, the method comprises forming at least one fillister on a biomaterial composite layer by photolithography, wherein the biomaterial composite layer contains two gel materials. One is a bio-compatible hydrogel composition having various weight ratio of: 2-hydroxyethylmathacrylate (HEMA), bisphenol A and glycidyl methacrylate (bis-GMA), triethylene glycol dimethacrylate (TEGDMA), r-methacryloxypropyl trimethoxysilane (MAPTMS), α,α-diethoxyacetophenone (DEAP), and the other one is a photo-sensitive silica gel composition. | 01-01-2009 |
Pao-Chen Shih, Taichung City TW
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20150333900 | Clock Generating Device and Related Synchronization Method - A clock generating device is disclosed. The clock generating device includes a clock generating unit, for counting a synchronization period of a synchronization signal, generating a first interrupt signal according to the synchronization signal, generating a pulse-width modulation signal according a control signal, counting a phase difference between the synchronization signal and the pulse-width modulation signal, and generating a second interrupt signal according to the pulse-width modulation signal; and a computing unit, for acquiring the synchronization period according to the first interrupt signal, acquiring the phase difference according to the second interrupt signal, and adjusting the control signal according to the synchronization period, a modulation period of the pulse-width modulation signal and the phase difference. | 11-19-2015 |
Shun-Pao Shih, Taichung City TW
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20130299460 | HARDFACING SUBMERGED ARC WELDING DEVICE - A hardfacing submerged arc welding device includes an alloy-powder supplying unit for supplying alloy powders onto a workpiece, a flux-powder supplying unit for supplying flux powders onto the workpiece, and a welding-wire supplying unit for supplying a welding wire onto the workpiece. | 11-14-2013 |
Shy-Ming Shih, Taichung City TW
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20110056032 | Toothbrush With An Electric Circuit - A toothbrush having a circuit for improving oral cavity health, displaying innovative light performance, allowing easy operation and reduced production cost. The toothbrush includes an electronic circuit disposed within a handle of the toothbrush, a power source, a light source, and a device to release ions. Ions are automatically generated within an oral cavity when a user holds the handle and wets the toothbrush with water, thus helping to maintain oral hygiene and providing a dazzling light performance emitted from the handle. | 03-10-2011 |
Stone Shih, Taichung City TW
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20140365810 | POWER SAVING DEVICE AND POWER SAVING METHOD THEREOF - The power saving device and method are provided. The power saving device which applies to a network apparatus includes a Phase-Locked Loop circuit, a computing module and a clock-selecting register, the Phase-Locked Loop circuit is configured to receive a reference clock frequency and generate a clock frequency-increasing signal according to the reference clock frequency; the computing unit is configured to calculate a setting parameter and the clock-selecting register is configured to generate an operating clock signal according to the clock frequency-increasing signal and setting parameter and send the operating clock signal to the network apparatus, wherein the network apparatus adjusts the clock frequency rate according to the operating clock signal. | 12-11-2014 |
Tsai-Chien Shih, Taichung City TW
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20090266956 | Holder for socket - A holder is disclosed to hold a socket onto a hanger. The holder includes a socket-engaging device, a locking device and a hanger-engaging device. The socket-engaging device includes a V-shaped body and a block. The V-shaped body includes a first branch and a second branch elastically movable towards the first branch so that the V-shaped body can be inserted into the socket. The block is formed on the second branch for abutment against the socket when the V-shaped body is disposed in the socket. The locking device includes a groove defined in the first branch of the V-shaped body and a tab extended from the second branch of the V-shaped body. The tab can be inserted into the groove so that the elastic V-shaped body is expanded, and the block is firmly located against the socket. The hanger-engaging device includes a dovetail groove for receiving a dovetail formed on the hanger. | 10-29-2009 |
Wei-Feng Shih, Taichung City TW
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20150281929 | METHOD OF SELECTING AN ACTIVE SIM FOR AN EMERGENCY SERVICE AND MULTI-SIM DEVICE UTILIZING THE SAME - A method of selecting an active SIM for an emergency service and a multi-SIM device utilizing the same are disclosed. The method, adopted by the multi-SIM device, includes: receiving a request for an emergency call on a first SIM camping on an LTE network; determining whether a second SIM camps on a second communications network which supports an emergency service; and when the second communications network supports the emergency service, performing the emergency call from the second SIM. | 10-01-2015 |
20150312717 | METHOD OF SELECTING A SIM FOR A LOCATION SERVICE AND MULTI-SIM DEVICE UTILIZING THE SAME - A method of selecting a SIM for a location service and a multi-SIM device utilizing the same are disclosed. The method, adopted by a multi-SIM device, includes: acquiring Secure User Plane Location (SUPL) information from a corresponding communications network which each SIM is in connection with; determining which communications network supports a location service based on the SUPL information; and requesting the location service on a SIM that is in connection with the supported communications network. | 10-29-2015 |
Wen-Chung Shih, Taichung City TW
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20100244053 | Light emitting device having pillar structure with hollow structure and the forming method thereof - A light emitting device, includes a substrate; a first semiconductor layer on the substrate; an active layer on the first semiconductor layer; a second semiconductor layer on the active layer; a transparent conductive layer on the second semiconductor layer; and a plurality of pillar structures with a hollow structure in the portion surface of the first semiconductor layer, thereby, the light extraction efficiency of the light emitting device can be improved due to the pillar structures with a hollow structure. | 09-30-2010 |
Yang-Cheng Shih, Taichung City TW
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20160121955 | HEAT TRANSFERING DEVICE - A heat transferring device which is applied to a scooter or a motorcycle has a hose, a first fan, and a switching set. The hose has a first open end, a second open end, and an interior chamber. The first open end and the second open end communicate with the interior chamber of the hose. The first fan is assembled at the first open end. The switching set is electrically connected with the first fan. The heat transferring device can offer improved riding experience in summer or in winter by transferring heat. | 05-05-2016 |
Yen-Feng Shih, Taichung City TW
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20140070133 | HEAT DISSIPATING MATERIAL AND METHOD FOR PREPARING THE SAME - A heat dissipating material and a method for preparing the same, of which the method comprises the following steps: providing paraffin wax, boron nitride, graphite, and a modified multi-walled carbon nanotube; heating the paraffin wax until the paraffin wax is softened; and mixing the boron nitride, the graphite, the modified multi-walled carbon nanotube and the paraffin wax. Wherein, based on the total weight of the heat dissipating material, the content of the paraffin wax is from 50 to 60% by weight; the content of boron nitride is from 20 to 40% by weight; the content of the graphite is from 3 to 15% by weight; and the content of the modified multi-walled carbon nanotube is from 1 to 5% by weight. | 03-13-2014 |
Ying-Cheng Shih, Taichung City TW
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20110102710 | BACKLIGHT MODULE AND DISPLAY MODULE - A backlight module that includes a light guide plate, a point light source having a light emitting surface, a first brightness enhancement film disposed above the light guide plate, and a second brightness enhancement film disposed between the light guide plate and the first brightness enhancement film is provided. The light guide plate has a rectangular pre-display area. A reference line intersects a margin of the rectangular pre-display area in 45 degrees. A normal of the light emitting surface intersects the reference line in a first included angle with ±18 degrees based on the reference line. The first brightness enhancement film has first prism structures extended in a first extending direction intersecting the normal in a second included angle with ±25 degrees based on the light emitting surface. The second brightness enhancement film is disposed between the light guide plate and the first brightness enhancement film. | 05-05-2011 |
20120170291 | FRAGRANCE LAMP STRUCTURE - A fragrance lamp structure including a carrying element, a lighting element and a driving element is provided. The carrying element has a carrying surface, a first contact surface and a second contact surface. The carrying surface and the first contact surface are opposite to each other, and so are the carrying surface and the second contact surface opposite to each other. The lighting element has a first heat output surface facing the first contact surface of the carrying element. The lighting element generates a first heat going through the first heat output surface and the first contact surface to heat up the carrying element. The driving element has a second heat output surface facing the second contact surface of the carrying element. The driving element generates a second heat going through the second heat output surface and the second contact surface to heat up the carrying element. | 07-05-2012 |
Ying-Ying Shih, Taichung City TW
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20150022880 | IMAGE MEASURING APPARATUS WITH AUTOMATED CONTROL OF VARIABLE-POWER NOSE WHEEL ROTATION AND 3D DISPLACEMENT - An image measuring apparatus with an automated control of variable-power nose wheel rotation and 3D displacement includes a base on a work table on a floor, a platform on the base and having first and second moving parts for controlling the platform moving along X-axis and Y-axis respectively, an upright column on the base and a side of the platform and having a third moving part capable of moving along Z-axis, and a measuring lens group disposed on and displaced with the third moving part. The control device includes a control program for controlling the displacement of the first and second moving parts to change the position of the platform, controlling the displacement of the third moving part to change the position of the measuring lens group, and controlling the measuring lens group to switch to an objective microscope to a different magnification to achieve a fully automated measurement. | 01-22-2015 |
Yu-Nan Shih, Taichung City TW
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20140062538 | Systems and Methods for De-Emphasis Level Calibration in Voltage Mode Drivers - A voltage mode driver circuit includes a plurality of VMD cells and a calibration component. The plurality of VMD cells are configured to generate a calibrated emphasis level according to a calibration signal. The calibration component is configured to determine a voltage dependence effect. Additionally, the calibration component is configured to generate the calibration signal according to the determined voltage dependence effect. | 03-06-2014 |
20140218072 | SYSTEMS AND METHODS FOR MULTI-LEVEL TERMINATION CALIBRATION FOR VOLTAGE MODE DRIVERS - A voltage mode driver system includes a plurality of VMD cells, a plurality of auxiliary cells, a control logic and an output node. The plurality of VMD cells are configured to generate a first output. The plurality of VMD cells are configured to generate a calibrated effective resistance at different signal levels according to a calibration signal. The plurality of auxiliary cells are configured to generate a second output. The output node combines the first output and the second output into a driver output. The control logic is configured to control the plurality of auxiliary cells and the second output according to a selected level. The plurality of VMD cells may be configured to generate a calibrated effective resistance at different signal levels according to a calibration signal. A calibration component is configured to determine a voltage dependence effect and to generate a calibration signal according to the determined voltage dependence effect. | 08-07-2014 |
20150061745 | TRANSMITTER HAVING VOLTAGE DRIVER AND CURRENT DRIVER - A circuit includes a first power node at a first voltage level, a second power node at a second voltage level, a first voltage driver, a first current driver, and a control unit. The first voltage driver is configured to electrically couple a first output node to the first power node when a first input signal at the first input node is at a first logic state, and electrically couple a first output node to the second power node when the first input signal is at a second logic state. The first current driver is configured to inject or extract a first adjustment current into or out of a first output node. The control unit is configured to generate a measurement result of the first voltage level, and to set the first adjustment current according to the measurement result. | 03-05-2015 |
20150069570 | Integrated Circuit Structure with Active and Passive Devices in Different Tiers - An integrated circuit structure includes a two-tier die including a first tier and a second tier over and bonded to the first tier. The first tier includes a first substrate including a semiconductor material, an active device at a surface of the first substrate, and a first interconnect structure over the first substrate, wherein the first tier is free from passive devices therein. The second tier includes a second substrate bonded to and in contact with the first interconnect structure, and a second interconnect structure over the second substrate, wherein metal lines in the second interconnect structure are electrically coupled to the first interconnect structure. The second tier further includes a plurality of through-vias penetrating through the second substrate, wherein the plurality of through-vias lands on metal pads in a top metal layer of the first interconnect structure, and a passive device in the second interconnect structure. | 03-12-2015 |
20150229308 | TRANSMITTER HAVING VOLTAGE DRIVER AND CURRENT DRIVER - A circuit includes a first power node that carries a first supply voltage having a first voltage level and a second power node that carries a second supply voltage having a second voltage level less than the first voltage level. A voltage driver has a first plurality of transistors, an input node for an input signal, and an output node, and a current driver has a second plurality of transistors. The current driver injects or extracts an adjustment current into or out of the output node. The first plurality of transistors and the second plurality of transistors electrically couple the output node and the current driver to the first power node in response to the input signal being at a first logic state, and electrically decouple the output node and the current driver from the first power node in response to the input signal being at a second logic state. | 08-13-2015 |
Yung-Chih Shih, Taichung City TW
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20130126974 | ELECTROSTATIC DISCHARGE PROTECTION CIRCUIT - An electrostatic discharge protection circuit is used in an integrated circuit with a first sub-circuit working with a first working voltage source and a second sub-circuit working with a second working voltage source lower than the first working voltage source. The electrostatic discharge protection circuit includes a first metal-oxide-semiconductor transistor of a first conductive type, having a drain thereof electrically connected to a pad of the integrated circuit, and gate, source and bulk thereof electrically connected to a bulk voltage; and a guard ring of the first conductive type, surrounding the first metal-oxide-semiconductor transistor of the first conductive type and coupled to the second working voltage source. | 05-23-2013 |