Chi-Yang
Chi-Yang Chang, Taichung City TW
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20140361840 | CRYSTAL-LESS CLOCK GENERATOR AND OPERATION METHOD THEREOF - A crystal-less clock generator (CLCG) and an operation method thereof are provided. The CLCG includes a first oscillation circuit, a second oscillation circuit, and a control circuit. The first oscillation circuit is controlled by a control signal for generating an output clock signal of the CLCG. The second oscillation circuit generates a reference clock signal. The control circuit is coupled to the first oscillation circuit for receiving the output clock signal and coupled to the second oscillation circuit for receiving the reference clock signal. The control circuit is used to generate the control signal for the first oscillation circuit according to the relationship between the output clock signal and the reference clock signal. | 12-11-2014 |
Chi-Yang Chen, Tainan City TW
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20120169303 | VOLTAGE REGULATOR - A voltage regulator includes a constant voltage power circuit and an overcurrent protection circuit. The constant voltage power circuit generates an output voltage, an output current and a divided voltage. The overcurrent protection circuit includes a current sensing unit, a first mirroring unit, a voltage to current converting unit, a second mirroring unit, and a pull up unit. The current sensing unit generates a sensing current according to the output current. The first mirroring unit generates a first mirroring current. The first mirroring current is proportional to the output current. The voltage to current converting unit is used for converting the divided voltage into a first current. | 07-05-2012 |
20140097816 | CALIBRATION CIRCUIT FOR VOLTAGE REGULATOR - A voltage regulator calibration circuit including a voltage regulator and a calibration unit is provided. The voltage regulator regulates an output voltage according to a reference voltage and a feedback voltage. The feedback voltage is in direct proportion to the output voltage. The calibration unit is coupled to the voltage regulator. The calibration unit generates a control code through binary search according to the output voltage and a target voltage. The control code determines the proportion of the feedback voltage to the output voltage. | 04-10-2014 |
Chi-Yang Chen, Taoyuan County TW
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20140195839 | METHOD FOR PERFORMING WAKE-UP EVENT MANAGEMENT, AND ASSOCIATED APPARATUS AND ASSOCIATED COMPUTER PROGRAM PRODUCT - A method and apparatus for performing wake-up event management and an associated computer program product are provided, where the method is applied to an electronic device. The method includes the steps of: classifying a plurality of wake-up events of the electronic device according to at least one predetermined rule, wherein a specific wake-up event of the plurality of wake-up events is classified to be a triggering event, and one or more other wake-up events of the plurality of wake-up events are classified to be grouping events; arranging the grouping events as a group corresponding to the triggering event by setting wake-up time of each of the grouping events to be equivalent to that of the triggering event, for triggering the grouping events by utilizing the triggering event; and when the wake-up time of the triggering event is reached, performing operations corresponding to the triggering event and the grouping events, respectively. | 07-10-2014 |
Chi-Yang Chuang, Lung Tan TW
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20080303034 | Light-emitting gallium nitride-based III-V group compound semiconductor device and manufacturing method thereof - A light-emitting gallium nitride-based III-V group compound semiconductor device and a manufacturing method thereof are disclosed. The light emitting device includes a substrate, a n-type semiconductor layer over the substrate, an active layer over the n-type semiconductor layer, a p-type semiconductor layer over the active layer, a conductive layer over the p-type semiconductor layer, a first electrode disposed on the conductive layer and a second electrode arranged on exposed part of the n-type semiconductor layer. A resistant reflective layer or a contact window is disposed on the p-type semiconductor layer, corresponding to the first electrode so that current passes beside the resistant reflective layer or by the contact window to the active layer for generating light. When the light is transmitted to the conductive layer for being emitted, it is not absorbed or shielded by the first electrode. Thus the current is distributed efficiently over the conductive layer. Therefore, both LED brightness and efficiency are improved. Moreover, adhesion between the conductive layer and the p-type semiconductor layer is improved so that metal peel-off problem during manufacturing processes can be improved. | 12-11-2008 |
20090275156 | Light-emitting gallium nitride-based III-V group compound semiconductor device and manufacturing method thereof - A light-emitting gallium nitride-based III-V group compound semiconductor device and a manufacturing method thereof are disclosed. The light emitting device includes a substrate, a n-type semiconductor layer over the substrate, an active layer over the n-type semiconductor layer, a p-type semiconductor layer over the active layer, a conductive layer over the p-type semiconductor layer, a first electrode disposed on the conductive layer and a second electrode arranged on exposed part of the n-type semiconductor layer. A resistant reflective layer or a contact window is disposed on the p-type semiconductor layer, corresponding to the first electrode so that current passes beside the resistant reflective layer or by the contact window to the active layer for generating light. When the light is transmitted to the conductive layer for being emitted, it is not absorbed or shielded by the first electrode. Thus the current is distributed efficiently over the conductive layer. Therefore, both LED brightness and efficiency are improved. Moreover, adhesion between the conductive layer and the p-type semiconductor layer is improved so that metal peel-off problem during manufacturing processes can be improved. | 11-05-2009 |
Chi-Yang Huang, Hsinchu City TW
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20140196086 | HAND-HELD POINTING DEVICE AND OPERATION METHOD THEREOF - A hand-held pointing device includes a main body, a processing circuit, a light emitting device and two image sensing devices. The main body has a first surface and a second surface for lying on an operating surface. The two image sensing devices are disposed in the main body and configured to sense first and second images through first and second transparent areas thereof, respectively. The light emitting device, disposed in the main body, is configured to emit a light source through the second transparent area. The processing circuit is configured to determine and operate the hand-held pointing device in a remote controller mode or a mouse mode according to whether the first image contains an image of a reference light source and/or the second image contains an image of the operating surface reflecting the light source. An operation for a hand-held pointing device is also provided. | 07-10-2014 |
Chi-Yang Huang, Hsin-Chu TW
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20140015990 | INTERACTIVE IMAGING SYSTEM AND REMOTE CONTROLLER APPLIED THERETO - An interactive imaging system includes an image system and a remote controller. The image system includes at least one reference beacon, a receiving unit and a host. The at least one reference beacon emits light in an emission pattern. The receiving unit is configured to receive a packet data. The host controls an enable time of the at least one reference beacon according to the packet data. The remote controller includes an image sensor and a transmission unit. The image sensor captures the light emitted from the at least one reference beacon at a sampling period. The transmission unit sends the packet data corresponding to the sampling period of the image sensor. | 01-16-2014 |
20140043233 | INTERACTIVE SYSTEM AND REMOTE DEVICE - An interactive system includes a display, a processor and a remote controller. The display includes at least one reference beacon for providing light with a predetermined feature. The remote controller includes an image sensor configured to capture an image containing the reference beacon and calculates an aiming coordinate according to an imaging position of the reference beacon in the captured image. The processor calculates a scale ratio of a pixel size of the display with respect to that of the image captured by the image sensor and moves a cursor position according to the scale ratio and the aiming coordinate. | 02-13-2014 |
20140071103 | Object Tracking Apparatus and Control Method Thereof - The present invention discloses an object tracking apparatus including a reference object, an optical sensor and a controller. The reference object has a plurality of light emitting devices, for generating an optical signal. The optical sensor is for detecting the optical signal and generating an identification signal in response to the optical signal. The controller is for generating a control signal according to the identification signal and outputting the control signal to the reference object, thereby adaptively adjusting a light emitting number or light emitting intensity of the plurality of light emitting devices. The present invention discloses a method for controlling an object tracking apparatus. | 03-13-2014 |
Chi-Yang Lee, Taipei TW
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20150047254 | ENERGY-SAVING TYPE PLANT CULTIVATION SYSTEM - An energy-saving type plant cultivation system is provided, which includes: a first power source for generating first electric power from solar or wind energy; a plant cultivation device electrically connected to the first power source for receiving the first electric power, and having a plurality of layers of cultivation plates and further having at least a transparent sidewall to facilitate a monitoring staff to observe growth of the plants; a second power source electrically connected to the plant cultivation device so as to supply second electric power to the plant cultivation device; and a power storage unit electrically connected to the first power source, the plant cultivation device and the second power source so as to receive and store the first electric power or the second electric power and supply third electric power to the plant cultivation device if the first electric power or the second electric power is not sufficient. | 02-19-2015 |
Chi-Yang Lin, Taipei TW
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20080221885 | Speech Control Apparatus and Method - A speech control apparatus and a method thereof are provided. The speech control apparatus logs the user in an application software according to a speech signal of a user. The speech control apparatus is connected to a password bank comprising a plurality of accounts and passwords. The speech control apparatus comprises a speech process module, a start module, a first receive module, an identity recognition module, a selection module, and a login module. The speech process module determines a meaning of the speech signal. The start module starts the application software according to the meaning of the speech signal. The first receiving module receives the biometrics feature of the user. The identity recognition module identifies the user as authorized according to the biometrics feature. The selection module selects a login set of account and password from the password bank according to the speech signal and the biometrics feature. The login module logs the user into the application software according to the login set of account and password. | 09-11-2008 |
Chi-Yang Liu, Taipei TW
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20090114164 | PET SHOWCASE - A pet showcase to raise small pet animals including rabbit, bird, chameleon, lizard, or insects that can be inlaid onto a wall or a cabinet and held tightly to the wall or the cabinet or simply placed in a living room to appreciate the pet through a glass door panel of the pet showcase for the pet showcase to be further infused in the setup of the living room and present an integrated aesthetic sense with the wall or the cabinet. | 05-07-2009 |
Chi-Yang Lu, Sansing Township TW
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20140363490 | OLIGOMER-CONTAINED NANOPARTICLE COMPLEX RELEASE SYSTEM - An oligomer-contained nanoparticle complex is provided. The oligomer-contained nanoparticle complex of the invention comprises (a) a nanoparticle, (b) a polymer with high molecule weigh, (c) a target molecule, (d) an oligomer, wherein the oligomer is crosslinked with the polymer by the intermolecular hydrogen bonds or electron bonds, and e) a space for active substances, wherein the space for active substances is encapsulated by the nanoparticle. The oligomer-contained nanoparticle complex of the invention has the high stability and fast drug release rate, and would not be largely accumulated in normal tissues. The invention also provides a method for preparing the oligomer-contained nanoparticle complex and the method for releasing drug. | 12-11-2014 |
Chi-Yang Yu, Zhongli City TW
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20150364344 | Integrated Circuit Packages and Methods of Forming Same - Integrated circuit packages and methods of forming the same are disclosed. A first die is mounted on a first side of a package substrate. A heat dissipation feature is attached on a first side of the first die. A second die is mounted on a second side of the first die, wherein the second die is at least partially disposed in a through hole formed in the package substrate. An encapsulant is formed on the first side of the package substrate around the first die. | 12-17-2015 |