Patents by Inventor Yi Chu

Yi Chu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20190198653
    Abstract: A nitride semiconductor device is provided, including a substrate having a first surface and a second surface opposite to each other; a nucleation layer disposed on the first surface of the substrate; a doped nitride semiconductor layer disposed on the nucleation layer; a doped first buffer layer disposed on the doped nitride semiconductor layer; a channel layer disposed on the doped first buffer layer; a barrier layer disposed on the channel layer; a first electrode disposed on the barrier layer; a second electrode electrically connected to the doped nitride semiconductor layer; and a doped region disposed at least in a portion of the doped nitride semiconductor layer, wherein the doped region is extended from below the first electrode to be partially overlapped with the second electrode.
    Type: Application
    Filed: November 12, 2018
    Publication date: June 27, 2019
    Applicant: Nuvoton Technology Corporation
    Inventors: Kuei-Yi Chu, Heng-Kuang Lin, Jung-Tse Tsai, Shih-Po Lin, Chih-Wei Chen
  • Patent number: 10312591
    Abstract: A wireless communication device includes a metallic housing, a circuit board, a metallic heat sink, and first, second and third antennas. The metallic housing includes a chamber. The circuit board is disposed in the chamber for providing a feed signal. The metallic heat sink is disposed on the circuit board and divides the chamber into first and second regions. The first antenna is disposed at the first region along a first direction. The second antenna is disposed at the second region along a second direction perpendicular to the first direction. The third antenna is disposed at the second region along the first direction and located between the metallic heat sink and the second antenna. The first, second and third antennas are coupled with the circuit board. The first, second and third antennas receive the feed signal and at least are capable of generating signals at the same frequency band.
    Type: Grant
    Filed: December 26, 2017
    Date of Patent: June 4, 2019
    Assignee: PEGATRON CORPORATION
    Inventors: Chien-Yi Wu, Yu-Yi Chu, Chao-Hsu Wu, Ya-Jyun Li, Shih-Keng Huang
  • Publication number: 20190155441
    Abstract: A circuit for touch sensing includes a driving unit, a self-capacitive sensor circuit, a mutual-capacitive sensor circuit and a control circuit. The driving is configured to generate a driving signal. The self-capacitive sensor circuit is configured to generate a self-capacitance sensing result. The mutual-capacitive sensor circuit is configured to receive the driving signal in order to generate a mutual-capacitance sensing result when the voltage of a node between the self-capacitive sensor circuit and the mutual-capacitive sensor circuit reaches a reference voltage. The control circuit receives and computes the self-capacitance sensing result and the mutual-capacitance sensing result in order to generate a sensing result. By utilizing the circuit for touch sensing of present disclosure, the accuracy and the efficiency of touch sensing can be enhanced.
    Type: Application
    Filed: November 21, 2018
    Publication date: May 23, 2019
    Inventors: Ching-Lin JEN, Ssu-Che YANG, Chia-Yi CHU, Chung-Lin CHIANG, Yao-Jui CHANG, Keng-Nan CHEN
  • Patent number: 10293592
    Abstract: A 3D color printing mechanism includes a sliding track (100), a slider (200), a painting nozzle (300) and a modeling nozzle (400). The slider (200) is arranged on the sliding track (100) and capable of sliding between two ends of the sliding track (100). The painting nozzle (300) is arranged on the slider (200) and comprises at least one ink jet head (310). The modeling nozzle (400) is connected to the slider (200) and includes a material squeezer head (410). The material squeezer head (410) is arranged non-collinearly with the ink jet head (310) at a direction parallel to the sliding track (100).
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: May 21, 2019
    Assignees: XYZPRINTING, INC., KINPO ELECTRONICS, INC.
    Inventors: Ming-En Ho, Yi-Chu Hsieh, Chun-Hsiang Huang, Jia-Yi Juang, Yang-Teh Lee
  • Patent number: 10289588
    Abstract: An apparatus having a first interface of a first type supporting a plurality of data ports, a second interface of a second type supporting at least a portion of the plurality data ports, and a third interface of the second type. The apparatus also including a switching module coupled to a control port of the first interface and configured for selectably coupling the plurality of data ports to at least one of the second interface and the third interface based on a signal at the control port.
    Type: Grant
    Filed: June 30, 2016
    Date of Patent: May 14, 2019
    Assignee: Quanta Computer Inc.
    Inventors: Wei-Yi Chu, Chia-Feng Cheng, Kai Chang, Chih-Yu Chen
  • Publication number: 20190140515
    Abstract: A speed reducing device includes a motor and a speed reducing mechanism. The motor includes a stator portion and a rotor portion. The rotor portion includes a first eccentric ring and a second eccentric ring. The speed reducing mechanism is partially accommodated within the rotor portion. The speed reducing mechanism includes a first roller assembly, a second roller assembly, a third roller assembly, a first cycloid disc set and a second cycloid disc set. The first roller assembly includes at least one first roller. The second roller assembly includes at least one second roller. The third roller assembly includes an output shaft and at least one third roller. The first cycloid disc set is mounted around the output shaft and disposed within the first eccentric ring. The second cycloid disc set is mounted around the output shaft and disposed within the second eccentric ring.
    Type: Application
    Filed: November 1, 2018
    Publication date: May 9, 2019
    Inventors: Ching-Hsiung Tsai, Chi-Wen Chung, En-Yi Chu
  • Patent number: 10237390
    Abstract: An intelligent notification device is provided. The intelligent notification device is adapted to communicate with at least one electronic device. The intelligent notification device includes a detecting device and a controller. The detecting device detects a status parameter of at least one user and an enviromental parameter of the electronic device. The controller is electrically connected to the detecting device to control the electronic device to notify one of a plurality of events in an event schedule according to the event schedule and to dynamically adjust a time sequency of the events in the event schedule according to at least one of the enviromental parameter and the status parameter. An intelligent notification method is further provided.
    Type: Grant
    Filed: July 7, 2016
    Date of Patent: March 19, 2019
    Assignee: ASUSTeK COMPUTER INC.
    Inventors: Min-Che Huang, Kuo-Chung Chiu, Hsiao-Kai Li, Chia-Hsin Yang, Tsung-Han Tsai, Wei-Chi Yen, Shih-Hao Ke, Shu-Hui Chou, Wei-Ting Lin, Wen-Chieh Tseng, Ting-Yu Chen, Shuan-Yi Chu
  • Patent number: 10230160
    Abstract: A wireless communication system disposed at a wearable electronic device. The wearable electronic device includes a metallic accommodating housing and a first metallic curved piece. The first metallic curved piece is protrudingly disposed at one side of the metallic accommodating housing. The wireless communication system includes a circuit board, a first insulation cover and a first loop antenna. The circuit board is coupled with the first loop antenna to generate a first wireless radio-frequency signal. The first insulation cover surrounds the first metallic curved piece. The first antenna generates a first band and a second band by resonance according to the first wireless radio-frequency signal after electromagnetically coupled with the first metallic curved piece.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: March 12, 2019
    Assignee: PEGATRON CORPORATION
    Inventors: Chien-Yi Wu, Ching-Hsiang Ko, Chao-Hsu Wu, Shih-Keng Huang, Ya-Jyun Li, Yu-Yi Chu
  • Patent number: 10228741
    Abstract: A rack system for a server includes a number of server units, which includes first to the third sets of server units, voltage converter, first to third power supply circuits. The voltage converter receives and converters a three-phase alternating current (AC) power signal to provide first to third single-phase power signals. The first to the third sets of power supply circuits respectively provides firs to third direct current (DC) power signals according to the first to the third single-phase power signals. The first set to the third set of server units is respectively powered by first to the third DC power signals or respectively powered by first part, second part, and third part of the first to the third DC power signals.
    Type: Grant
    Filed: October 20, 2015
    Date of Patent: March 12, 2019
    Assignee: Quanta Computer Inc.
    Inventors: Tzu-Hung Wang, Chao-Jung Chen, Chih-Ming Chen, Wei-Yi Chu
  • Patent number: 10224615
    Abstract: A wireless communication device includes a housing and a plurality of antenna units. The antenna units surround a surface of the housing and stand on a system ground. Each of the antenna units includes a first radiation part, a second radiation part and a conductive component. The first radiation part has a signal feed point for receiving a feeding signal. The second radiation part surrounds the first radiation part and has a first side, a second side, a first ground point and a second ground point, wherein the first side is parallel to the system ground while the second side is perpendicular to the system ground. The first side is perpendicular to the second side and shorter than the second side. The conductive component is disposed between the first side and the system ground and connected to the first side and the system ground.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: March 5, 2019
    Assignee: PEGATRON CORPORATION
    Inventors: Chien-Yi Wu, Chao-Hsu Wu, Yu-Yi Chu, Ya-Jyun Li, Shih-Keng Huang, Ching-Hsiang Ko
  • Publication number: 20190061249
    Abstract: A 3D printer having a door lock structure includes a housing, a door panel, a door lock structure, a coloring nozzle set, an actuator, and a controller. The door panel is pivotally connected to the housing. The door lock structure is arranged corresponding to the door panel and has a locking position and an unlocking position. The actuator is connected to the door lock structure and drives the door lock structure to lock or unlock the door panel. The controller is electrically connected to the actuator. The controller controls the actuator to drive the door lock structure to the locking position. The controller activates an unlocking mode after a predetermined time after the coloring nozzle set stops operating. In the unlocking mode, the controller controls the actuator to drive the door lock structure to the unlocking position.
    Type: Application
    Filed: January 3, 2018
    Publication date: February 28, 2019
    Inventors: Yang-Teh LEE, Jia-Yi JUANG, Yi-Chu HSIEH
  • Publication number: 20190061255
    Abstract: A cleaning mechanism of a 3D printer including a cleaning module, a first wiper, a second wiper, and a carrier is provided. The cleaning module has a top plane. The first wiper is arranged corresponding to the cleaning module and protruding beyond the top plane. The second wiper is arranged on the cleaning module and protruding beyond the top plane. The carrier is connected to a rail and suspended above the cleaning module. A modeling nozzle corresponding to the first wiper and a painting pen corresponding to the second wiper are arranged on the carrier and movable. The modeling nozzle and the painting pen are arranged respectively aligned to the first wiper and the second wiper. The modeling nozzle is allowed to move pass the first wiper and bypass the second wiper. The painting pen is allowed to move pass the second wiper and bypass the first wiper.
    Type: Application
    Filed: November 30, 2017
    Publication date: February 28, 2019
    Inventors: Yang-Teh LEE, Jia-Yi JUANG, Yi-Chu HSIEH
  • Patent number: 10210121
    Abstract: A system for switching between a high performance mode and dual path mode is disclosed. The system includes a first device, a second device, a third device, and a switch configured to receive control signals, and in response causing the switch to selectively couple one or more first lanes of the first device or one or more second lanes of the second device to third lanes of the third device to yield enabled lanes. The system also include a number of the enabled lanes is less than or equal to a number of the third lanes, and the switch is configured to route the enabled lanes associated with the first device to a first portion of the third lanes in an increasing order and to route the enabled lanes associated with the second device to a second portion of the third lanes in a decreasing order.
    Type: Grant
    Filed: January 27, 2016
    Date of Patent: February 19, 2019
    Assignee: QUANTA COMPUTER INC.
    Inventors: Wei-Yi Chu, Chia-Feng Cheng, Kai Chang, Chih-Yu Chen
  • Publication number: 20190027426
    Abstract: Provided is a nitride semiconductor device including a substrate, a nucleation layer, a buffer layer, a channel layer, a first electrode, and a second electrode. The substrate has a first surface and a second surface opposite to the first surface. The nucleation layer, the buffer layer, the channel layer, and the barrier layer are sequentially disposed on the first surface of the substrate. The first electrode layer and the second electrode layer are disposed on the barrier layer. A first void penetrates through the substrate, the nucleation layer, the buffer layer, the channel layer, and the barrier layer and exposes a portion of the first electrode.
    Type: Application
    Filed: July 19, 2018
    Publication date: January 24, 2019
    Applicant: Nuvoton Technology Corporation
    Inventors: Kuei-Yi Chu, Heng-Kuang Lin
  • Patent number: 10150315
    Abstract: A 3D printer including a device body (100) and a scanning module (200) is provided. A printing plane (101) is defined on the device body (100). The scanning module (200) is arranged on the device body (100), the scanning module (200) is electrically connected with a control module (300), and the control module (300) is electrically connected with a nozzle assembly (310) and a pen assembly (320). A 3D data is loaded in the control module (300) and a predetermined painting position is defined in the 3D data. The control module (300) receives a scan image from the scanning module (200); the control module (300) controls the nozzle assembly (310) to print a model (20) according to the 3D data and meanwhile controls the pen assembly (320) to paint on the model (20) according to the predetermined painting position and the scan image.
    Type: Grant
    Filed: June 27, 2017
    Date of Patent: December 11, 2018
    Assignees: XYZPRINTING, INC., KINPO ELECTRONICS, INC.
    Inventors: Yang-Teh Lee, Jia-Yi Juang, Chun-Hsiang Huang, Ming-En Ho, Yi-Chu Hsieh, Ting-Chun Chu
  • Publication number: 20180331415
    Abstract: An antenna structure including a conductive housing, a substrate, a ground element and a radiation element is provided. The conductive housing includes an open slot and a conductive segment adjacent to each other. The radiation element is disposed on a first surface of the substrate and is electrically connected to the ground element. A second surface of the substrate faces the open slot and the conductive segment. The ground element is electrically connected to the conductive housing. The radiation element has a feeding point and forms a first path. An orthogonal projection of the radiation element on the conductive housing is partially overlapping with the conductive segment such that the conductive housing and the radiation element form a second path. The antenna structure operates in a first band and a second band through the first path and the second path.
    Type: Application
    Filed: February 13, 2018
    Publication date: November 15, 2018
    Applicant: PEGATRON CORPORATION
    Inventors: Chien-Yi Wu, Ya-Jyun Li, Yu-Yi Chu, Chao-Hsu Wu, Ching-Hsiang Ko, Chia-Chi Chang
  • Publication number: 20180311909
    Abstract: A three dimensional printing apparatus including a frame, a control module, a nozzle module, and a feeding module is provided. The nozzle module is movably disposed in the frame and electrically connected to the control module. The control module drives the nozzle module to move in the frame to define a printing space. Also, the control module drives the nozzle module to print a three dimensional object in the printing space. The feeding module is detachably assembled to the frame and electrically connected to the control module. The control module drives the feeding module to transfer a medium into the printing space and drives the nozzle module to print a two-dimensional pattern onto the medium.
    Type: Application
    Filed: July 3, 2017
    Publication date: November 1, 2018
    Applicants: XYZprinting, Inc., Kinpo Electronics, Inc.
    Inventors: Yang-Teh Lee, Jia-Yi Juang, Chun-Hsiang Huang, Ming-En Ho, Yi-Chu Hsieh, Ting-Chun Chu
  • Publication number: 20180311910
    Abstract: A three dimensional printing apparatus including a frame, a control module, a nozzle module, and a feeding module is provided. The nozzle module is movably disposed in the frame and electrically connected to the control module. The control module drives the nozzle module to move in the frame to define a printing space. Also, the control module drives the nozzle module to print a three dimensional object in the printing space. The feeding module is detachably assembled to the frame and electrically connected to the control module. The control module drives the feeding module to transfer a medium into the printing space and drives the nozzle module to print a two-dimensional pattern onto the medium.
    Type: Application
    Filed: July 3, 2017
    Publication date: November 1, 2018
    Applicants: XYZprinting, Inc., Kinpo Electronics, Inc.
    Inventors: Yang-Teh Lee, Jia-Yi Juang, Chun-Hsiang Huang, Ming-En Ho, Yi-Chu Hsieh, Ting-Chun Chu
  • Publication number: 20180304552
    Abstract: A quick coloring method for a 3D printer having an ink nozzle-head includes the following steps: reading an image file and a coloring route; controlling the ink nozzle-head to move to a start position of one of printing rows; controlling the ink nozzle-head to move and to print a coloring object according to the image file and the coloring route; reading a reverse image file and a reverse coloring route, in which the reverse image file records a horizontal reverse image of the image file, and the reverse coloring route records an opposite start position; controlling the ink nozzle-head to move to the opposite start position of next printing row according to the reverse coloring route; controlling the ink nozzle-head to move and to print the coloring object according to the reverse image file and the reverse coloring route; and re-executing above steps before a coloring operation is completed.
    Type: Application
    Filed: June 27, 2017
    Publication date: October 25, 2018
    Inventors: Yang-Teh LEE, Jia-Yi JUANG, Chun-Hsiang HUANG, Ming-En HO, Yi-Chu HSIEH, Shih-Sen HSIEH, Yu-Chuan CHANG, Ting-Chun CHU
  • Publication number: 20180304536
    Abstract: A nozzle head cleaning module including a base housing having a main slope; a main carrier received in the base housing, a sub-carrier received in the main carrier and has a cover protruding upwardly, and an interference structure is provided. A set of one or more horizontal planes is formed on the main slope. A set of one or more main slide pins contacting with the main slope protrudes from the main carrier including a sub-slope, and the main carrier is moved along the main slope. When resting on the main slope, the main slide pin contacts with the main slope by multiple contact points. When resting on the horizontal plane, the main slide pin contacts with the horizontal plane by multiple contact points. The horizontal plane support main slide pin to maintain the cover in a raised position when the main slide pin is located thereon.
    Type: Application
    Filed: November 1, 2017
    Publication date: October 25, 2018
    Inventors: Yang-Teh LEE, Jia-Yi JUANG, Yi-Chu HSIEH