Cheng-Pin
Cheng-Pin Chang, Taipei City 111 TW
Patent application number | Description | Published |
---|---|---|
20150198986 | ELECTRONIC APPARATUS, FUNCTIONAL UNIT, AND POWER-DOWN METHOD THEREOF - An electronic apparatus comprises a switch, a processing unit, a functional unit and a power management unit. The function unit has a timer. The power management unit is coupled to the processing unit and the function unit. The processing unit and the function unit receive a switch signal generated by the switch. The processing unit generates a power-down signal after detecting a change in the logic level of the switch signal received for a first predetermined time. The timer starts counting upon detecting a change in the logic level of the switch signal, and executes a power-down procedure after the timer has counted to a second predetermined time. The second time is less than the first predetermined time. The function unit completes the power-down procedure before the power management unit receives the power-down signal and stops powering the processing unit and the function unit. | 07-16-2015 |
Cheng-Pin Chang, Taipei City TW
Patent application number | Description | Published |
---|---|---|
20150049882 | AUDIO DEVICE AND AUDIO UTILIZATION METHOD HAVING HAPTIC COMPENSATION FUNCTION - The present invention discloses an audio device having haptic compensation function capable of compensating a haptic effect according to a power measuring result and an audio signal. An embodiment of the audio device comprises: an audio signal generating circuit operable to generate an audio signal; a power measuring circuit operable to measure a remaining electric quantity of a power source and thereby generate a power measuring result; and a haptic compensating circuit, coupled to the audio signal generating circuit and the power measuring circuit, operable to adjust a gain of the audio signal or the derived signal thereof according to the power measuring result and thereby output a haptic compensation signal which is used to compensate the haptic effect. | 02-19-2015 |
20150117663 | Audio codec with audio jack detection function and audio jack detection method - The present invention discloses an audio codec with a jack detection function and an audio jack detection method. An embodiment of the audio codec comprises: a first-contact signal input end operable to electrically connect with a sleeve contact of a plug and receive a first-contact signal indicating the presence or absence of the plug; a second-contact signal input end operable to electrically connect with a ring contact or the sleeve contact of the plug and receive a second-contact signal indicating the presence or absence of the plug; a plug detecting circuit coupled to the first-contact or second-contact signal input end and operable to detect whether a voltage level of the first-contact or second-contact signal has changed to thereby generate a plug detection signal; and a control circuit coupled to the plug detecting circuit and operable to determine the presence or absence of the plug according to the plug detection signal. | 04-30-2015 |
20150139437 | SIGNAL PROCESSING CIRCUIT AND ASSOCIATED SIGNAL PROCESSING METHOD APPLIED TO HEADSET - The present invention provides a signal processing circuit and a signal processing method applied to a headset. In the present invention, the signal processing circuit adjusts gain and phase of a left channel signal and a right channel signal to generate a first adjust signal, and a recorded sound from a microphone is added by the first adjust signal to cancel a coupled signal. In addition, the signal processing circuit adjusts gain and phase of the right channel signal to generate a second adjust signal, and the right channel signal is added by the second adjust signal to cancel a coupled signal; and the signal processing circuit adjusts gain and phase of the left channel signal to generate a third adjust signal, and the left channel signal is added by the third adjust signal to cancel a coupled signal. | 05-21-2015 |
20160098119 | AUDIO CODEC, PORTABLE ELECTRONIC APPARATUS AND BUTTON CONTROL METHOD - A button control method for a built-in audio codec of a portable electronic apparatus, and the button control method includes the following steps. A plurality of button signals generated by a button unit is first detected during a button detection period. Next, the button signals are sequentially recorded during the button detection period. The processing unit matches and identifies the button signals provided thereto to generate a control command accordingly to correspondingly control the portable electronic apparatus. | 04-07-2016 |
Cheng-Pin Chen, Hsinchu TW
Patent application number | Description | Published |
---|---|---|
20090127679 | POP (Package-On-Package) device encapsulating soldered joints between externals leads - A POP (Package-On-Package) semiconductor device with encapsulating protection of soldered joints between the external leads, primarily comprises a plurality of stacked semiconductor packages and dielectric coating. Each semiconductor package includes at least a chip, a plurality of external leads of leadframe, and an encapsulant where the external leads are exposed and extended from a plurality of sides of the encapsulant. Terminals of a plurality external leads of a top semiconductor package are soldered to the soldered regions of the corresponding external leads of a bottom semiconductor package. The dielectric coating is disposed along the sides of the encapsulant of the bottom semiconductor package to connect the soldered points between the external leads and to partially or completely encapsulate the soldering materials so that the stresses between the soldered joints can be dispersed and no electrical shorts happen. | 05-21-2009 |
Cheng-Pin Chen, Nanjhou Township TW
Patent application number | Description | Published |
---|---|---|
20110100442 | Structure of a Solar Cell - A structure of a solar cell. The structure of the solar cell includes a substrate, a graded layer and a semiconductor layer. The graded layer is disposed on the substrate. The graded layer is made from materials including the first material and the second material, and includes at least one thin film. One of the at least one thin film includes a mixture of at least the first material and the second material at a mixture ratio. The mixture forms a bandgap of the at least one thin film. The semiconductor layer is disposed on the graded layer. | 05-05-2011 |
Cheng-Pin Chen, Luzhou City TW
Patent application number | Description | Published |
---|---|---|
20110048528 | STRUCTURE OF A SOLAR CELL - A structure of a solar cell is provided. The structure of the solar cell includes a substrate, a base and a plurality of nanostructures. The base is disposed on the substrate. The nanostructures are disposed on a surface of the base, or a surface of the base includes the nanostructures, so as to increase light absorption of the structure. | 03-03-2011 |
Cheng-Pin Chen, Tainan City TW
Patent application number | Description | Published |
---|---|---|
20150036128 | INSPECTION APPARATUS - An inspection apparatus is capable of inspecting a light-emitting diode (LED). The inspection apparatus includes a reflecting cover, a base plate, a light-collecting unit and at least one inspection light source. An enclosed space is defined by the base plate and the reflecting cover having an opening. The LED is disposed on the base plate and located in the enclosed space. The light-collecting unit is disposed above the LED and in the enclosed space. A vertical distance from the light-collecting unit to the LED is H, a width of the opening of the reflecting cover is W, and H/W=0.05 to 10. The inspection light source is in the enclosed space. An inspection light emitted from the inspection light source is reflected by the reflecting cover and then emitted into the LED. | 02-05-2015 |
20150036129 | INSPECTION APPARATUS - An inspection apparatus is capable for inspecting at least one light-emitting device. The inspection apparatus includes a working machine and an inspection light source. The inspection light source is disposed on the working machine and located above the light-emitting device. A dominant wavelength of the inspection light source is smaller than a dominant wavelength of the light-emitting device so as to excite the light-emitting device and get an optical property of the light-emitting device. | 02-05-2015 |
20160111597 | GRAPHICAL MICROSTRUCTURE OF LIGHT EMITTING DIODE SUBSTRATE - The invention relates to a patterned microstructure of a light emitting diode (LED) substrate. The substrate is provided with patterned microstructures arranged in an array. Each patterned microstructure includes a bottom surface and a lateral surface adjacent to the bottom surface. There is an angle θ between the lateral surface and the bottom surface, where 0°<θ<90°. The length of the bottom surface ranges between 2.5 microns and 2.8 microns. An end of the lateral surface far away from the bottom surface is gradually shrunk into an intersection, and the height between the intersection and the bottom surface ranges between 1.5 microns and 1.9 microns. Accordingly, the invention can effectively achieve improving light extraction efficiency of the LED by optimizing the size of the patterned microstructure cyclically and alternately arranged on the LED substrate. | 04-21-2016 |
Cheng-Pin Chiu, Taoyuan City TW
Patent application number | Description | Published |
---|---|---|
20130326463 | Method to Determine Optimal Micro-Bump-Probe Pad Pairing for Efficient PGD Testing in Interposer Designs - The present disclosure relates to a method of routing probe pads to micro-bumps of an interposer. An interposer is provided having target micro-bumps and probe pads. The probe pads are initially unassigned. Target micro-bump locations and probe pad locations are obtained. Possible route assignments from the probe pads to the target micro-bumps are obtained. Costs are developed for the possible route assignments at least partially according to the target micro-bump locations and the probe pad locations. Final assignments are selected from the possible assignments according to the costs. | 12-05-2013 |
Cheng-Pin Cho, Taoyuan County TW
Patent application number | Description | Published |
---|---|---|
20150308660 | LIGHT ENGINE DEVICE - A light Engine device includes a base, a light source module, a light reflecting element, an optical module and a sleeve. The light source module has a light-emitting diode unit and a substrate. The light reflecting element has a first opening, a cup body and a second opening. The optical module has an interface portion and a lens portion. The sleeve has a first port, a sleeve body and a second port. The light emitting diode unit generates a light beam, and the emitted light pattern and light intensity are regulated by the first optical effect and second optical effect. | 10-29-2015 |
20150349216 | LIGHT EMITTING DIODE PACKAGE STRUCTURE - A light emitting diode package structure includes an encapsulation case, a phosphor layer, a substrate, and a light emitting diode chip. The encapsulation case has an accommodating space. The phosphor layer is coated on a side of the encapsulation case. The substrate is disposed in the accommodating space. The light emitting diode chip is disposed on a first surface of the substrate. A surface of the light emitting diode chip is devoid of being directly covered by a colloid, and the light emitting diode chip and the package housing are separated from each other by a distance. | 12-03-2015 |
Cheng-Pin Huang, Taoyuan City TW
Patent application number | Description | Published |
---|---|---|
20160098368 | EXTENSIBLE HOST CONTROLLER AND OPERATION METHOD THEREOF - An extensible host controller applied to a host includes a universal serial bus (USB) module, a control unit, and a peripheral component interconnect express (PCIE) bus. The USB module includes a USB unit and a predetermined unit. The PCIE bus is coupled to the control unit, wherein the PCIE bus supports a USB mode and a predetermined mode. When a first host with a first extensible host controller is connected to the USB module, the control unit makes the host utilize the USB mode and the USB unit, or the predetermined mode and the predetermined unit to communicate with the first host according to a determination way. | 04-07-2016 |
Cheng-Pin Huang, Hsinchu TW
Patent application number | Description | Published |
---|---|---|
20150350655 | IMAGE COMPRESSION SYSTEM FOR DYNAMICALLY ADJUSTING COMPRESSION PARAMETERS BY CONTENT SENSITIVE DETECTION IN VIDEO SIGNAL - An image compression system includes a register, a sensitive detection device, a prediction difference device, a bit-rate control device, a mapping device, and an encoding device, The register temporarily stores plural pixels, which have a current encoding pixel and plural historical decoded pixels. The sensitive detection device analyzes contents of the historical decoded pixels or a previous history data to calculate a prediction value and a current history data. The prediction difference device subtracts the prediction value from the current encoding pixel to generate a prediction difference value. The bit-rate control device adjusts a compression ratio according to a final bits signal so as to output a suggestion bits signal. The mapping device outputs an index based on the prediction difference value, the current history data, and the suggestion bits signal. The encoding device encodes the index to output a bit stream and the final bits signal. | 12-03-2015 |
Cheng-Pin Wang, Kaohsiung City TW
Patent application number | Description | Published |
---|---|---|
20140361832 | OPERATIONAL TRANSCONDUCTANCE AMPLIFIER - An operational transconductance amplifier for connection with multiple input voltage sources includes a resistance simulation unit, two current cancellation units, a first differential output unit, two current division units, and a second differential output unit. The resistance simulation unit is to simulate resistance. The two current cancellation units are to receive and convert the voltage of the input voltage sources into two first currents. The two first currents flow to two first output ends of the first differential output unit, respectively. The two current division units are to receive and convert the voltage of the input voltage sources into two second currents. The two second currents flow to two second output ends of the two second differential output units, respectively, and include the same potential as the two first currents. | 12-11-2014 |
Cheng-Pin Yang, Zhongli City TW
Patent application number | Description | Published |
---|---|---|
20140069802 | APPARATUS AND METHODS FOR PHYSICAL VAPOR DEPOSITION - This disclosure provides systems, methods, and apparatus related to physical vapor deposition. In one aspect, an apparatus includes a magnet assembly including a magnet element, a substrate holder configured to hold a substrate, a target holder configured to hold a target positioned between the magnet assembly and the substrate, a motor configured to move the magnet assembly across a face of the substrate, and a controller. The controller includes program instructions for conducting a process including moving the magnet assembly across the face of the substrate using the motor to sputter material from the target onto the substrate. The material sputtered onto the substrate may have a substantially uniform thickness. | 03-13-2014 |