Patents by Inventor Yu Chen

Yu Chen 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: 20190310483
    Abstract: A laser device for additive manufacturing and an operation method thereof are provided. The laser device has a laser generation unit, a spectroscopic unit, a control unit, and a lens assembly unit. A laser beam is split into two or more beams by disposing the spectroscopic unit and the lens assembly unit. Thus, a roughness of a process surface and a process time can be reduced.
    Type: Application
    Filed: May 24, 2018
    Publication date: October 10, 2019
    Inventors: Chung-wei CHENG, Chun-yu TSAI, Chih-hsiang YANG, Hsin-pao CHEN, Jui-hsiung YEN
  • Publication number: 20190312847
    Abstract: A communications system between a source and a destination includes a transmitter at the source and a communication connectivity. The transmitter comprises a preprocessor and a candidate envelope folder to provide M known a priori digital envelopes, M?1. The preprocessor has N input ports and N output ports, N>M, performs at least one wavefront multiplexing (WFM) transform on N inputs received at the N input ports to generate N outputs at the N output ports. The preprocessor performs the at least one WFM transform by calculating, for each of the N outputs, a linear combination of the N inputs using one of the M digital envelopes such that a digital format of one of the N outputs appears to human sensors as having features substantially identical to a digital format of the one of the M digital envelopes.
    Type: Application
    Filed: June 24, 2019
    Publication date: October 10, 2019
    Applicant: SPATIAL DIGITAL SYSTEMS, INC.
    Inventors: Donald C.D. Chang, Juo-Yu Lee, Steve K. Chen
  • Publication number: 20190312158
    Abstract: A photo-detecting apparatus includes an absorption layer configured to absorb photons and to generate photo-carriers from the absorbed photons, wherein the absorption layer includes germanium. A carrier guiding unit is electrically coupled to the absorption layer, wherein the carrier guiding unit includes a first switch including a first gate terminal.
    Type: Application
    Filed: April 8, 2019
    Publication date: October 10, 2019
    Inventors: Chien-Yu Chen, Yun-Chung Nah, Szu-Lin Cheng, Ming-Jay Yang, Han-Din Liu, Che-Fu Liang
  • Publication number: 20190313115
    Abstract: A method of decoding video data comprising performing a prediction process for one or more neighboring blocks of video data that are neighboring a current block of video data to obtain prediction pixel values for neighboring pixels of the current block of video data, deriving a template for the current block of video data using the prediction pixel values, performing a decoder-side motion vector derivation technique using the derived template to derive a motion vector for the current block of video data, and decoding the current block of video data using the derived motion vector.
    Type: Application
    Filed: April 9, 2019
    Publication date: October 10, 2019
    Inventors: Yung-Hsuan Chao, Yu-Chen Sun, Wei-Jung Chien, Yi-Wen Chen, Marta Karczewicz
  • Publication number: 20190312191
    Abstract: A piezoelectric sensing module, a piezoelectric sensing module detecting method, and a piezoelectric sensing detection system thereof are disclosed. The piezoelectric sensing module is used for an operating tool. The piezoelectric sensing module includes a piezoelectric sensing film, and the piezoelectric sensing film includes at least a first to a sixth electrodes: wherein the first electrode is disposed between the third and the fourth electrodes, the second electrode is disposed between the fifth and the sixth electrodes; wherein the first and the second electrodes, the third and the fifth electrodes, and the fourth and the sixth electrodes are separated by a certain distance respectively, and a first angle between the first and the second electrodes, a second angle between the third and the fifth electrodes, and a third angle between the fourth and the sixth electrodes each have an included angle of 90 degrees.
    Type: Application
    Filed: September 20, 2018
    Publication date: October 10, 2019
    Inventors: YUNG TING, SHEUAN-PERNG LIN, SUPRAPTO, HSIN-YUAN CHEN, YUAN-YU CHOU
  • Publication number: 20190312673
    Abstract: A signal transmission method is performed by a base station. The method includes: determining, a first carrier signal that is to be sent in a first cell on a first carrier and a second carrier signal that is to be sent in a second cell on a second carrier; mapping, the first carrier signal and the second carrier signal to N physical ports of an RRU, so that within a same OFDM symbol, a type B symbol used to transmit a pilot in the first carrier signal and a type B symbol used to transmit a pilot in the second carrier signal are mapped to different physical ports, and a total power of signals sent on each of N physical channels is not greater than a rated power of the RRU; and sending, the first carrier signal and the second carrier signal through the N physical ports.
    Type: Application
    Filed: June 21, 2019
    Publication date: October 10, 2019
    Inventors: Yu Wu, Xiaolong Zhu, Wei Chen, Rong Wan, Shuai Chen
  • Publication number: 20190312176
    Abstract: A light-emitting diode including a semiconductor epitaxial layer, a first electrode, and a second electrode is provided. The semiconductor epitaxial layer includes a first-type doped semiconductor layer, a second-type doped semiconductor layer, and a quantum well layer. A recessed portion is formed in the semiconductor epitaxial layer. The recessed portion separates the second-type doped semiconductor layer, the quantum well layer, and a portion of the first-type doped semiconductor layer and defines a first region and a second region on the semiconductor epitaxial layer. The first electrode is located in the first region and electrically connected to at least a portion of the first-type doped semiconductor layer and at least a portion of the second-type doped semiconductor layer. The second electrode is located in the second region and electrically connected to the second-type doped semiconductor layer.
    Type: Application
    Filed: June 17, 2019
    Publication date: October 10, 2019
    Applicant: Genesis Photonics Inc.
    Inventors: Tsung-Syun Huang, Jing-En Huang, Yu-Chen Kuo, Yan-Ting Lan, Kai-Shun Kang, Fei-Lung Lu, Teng-Hsien Lai, Yi-Ru Huang
  • Publication number: 20190311855
    Abstract: A capacitor insulation system is disclosed in the present application. The insulation system includes a dielectric fluid containing a first voltage stabilizing additive of a first concentration. The insulation system further includes a dielectric film containing the first voltage stabilizing additive of a second concentration and impregnated in the dielectric fluid. The first concentration is greater than the second concentration. The insulation system prepared according to the present disclosure can provide an increased and quite stable dielectric strength.
    Type: Application
    Filed: June 21, 2019
    Publication date: October 10, 2019
    Inventors: Lejun Qi, Yang Wang, Nan Li, Yu Guan, Jiansheng Chen
  • Publication number: 20190307766
    Abstract: The present invention is directed to novel cyclic amines which inhibit the P2X7 receptor.
    Type: Application
    Filed: October 10, 2018
    Publication date: October 10, 2019
    Inventors: JOHN PAUL KILBURN, Lars Kyhn Rasmussen, Mikkel Jessing, Eman Mohamed Eldemenky, Bin Chen, Yu Jiang
  • Publication number: 20190310460
    Abstract: A 3D sensing system includes a light source, an MEMS scanning mirror, an MEMS controller, one or multiple sensors, and an MCU. The MEMS scanning mirror is arranged to reflect the light provided by the light source. The MEMS controller is configured to control the angle of the MEMS scanning mirror in order to scan a surface. The one or multiple sensors are used to record the time when detecting the light reflected by the MEMS scanning mirror. The MCU is configured to calculate the location of the one or multiple sensors based on the recorded time by the one or multiple sensors.
    Type: Application
    Filed: June 14, 2018
    Publication date: October 10, 2019
    Inventors: Jia-Yu Lin, Chih-Chiang Chen
  • Publication number: 20190312144
    Abstract: A semiconductor device includes a gate stack over a semiconductor substrate. A spacer extends substantially along a first sidewall of the gate stack. An epitaxy structure is in the semiconductor substrate. A liner wraps around the epitaxy structure and has an outer surface in contact with the semiconductor substrate and an inner surface facing the epitaxy structure. The outer surface of the liner has a first facet extending upwards and towards the gate stack from a bottom of the first liner and a second facet extending upwards and towards an outer sidewall of the spacer from a top of the first facet to a top of the liner, such that a corner is formed between the first facet and the second facet, and the inner surface of the first liner defines a first curved corner pointing towards the corner formed between the first facet and the second facet.
    Type: Application
    Filed: June 7, 2019
    Publication date: October 10, 2019
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Chih-Fen CHEN, Chui-Ya PENG, Ching YU, Pin-Hen LIN, Yen CHUANG, Yuh-Ta FAN
  • Publication number: 20190312615
    Abstract: Provided is a channel information feedback method and apparatus, a terminal, and a base station. The method includes: determining, by a terminal, a feedback state parameter of channel information, where the channel information includes at least one of a number M of precoding vectors v1, v2, . . . , vM, a number G of amplitude coefficients A1, A2, . . . , AG, or a number K of phase coefficients P1, P2, . . . , PK, where M, G and K are all integers greater than or equal to 0; and feeding back, by the terminal, the channel information according to the determined feedback state parameter.
    Type: Application
    Filed: July 19, 2017
    Publication date: October 10, 2019
    Inventors: Hao WU, Jianxing CAI, YU Ngok LI, Yijian CHEN, Zhaohua LU, Huahua XIAO, Yong LI, Yuxin WANG
  • Patent number: 10436818
    Abstract: A method of making a cantilever MEMS probe module includes the steps of forming a cantilever MEMS probe on a first surface of a circuit substrate by a MEMS fabrication process in a way that the cantilever MEMS probe has a support post electrically and mechanically connected with an electric contact of the first surface, a cantilever arm connected with the support post, and a needle connected with the cantilever arm, and forming a through hole penetrating through the first surface and a second surface opposite to the first surface of the circuit substrate and corresponding in position to the needle and a part of the cantilever arm by using a cutting tool to cut the circuit substrate from the second surface toward the first surface of the circuit substrate. A probe module made by the method is disclosed too.
    Type: Grant
    Filed: July 18, 2017
    Date of Patent: October 8, 2019
    Assignee: MPI CORPORATION
    Inventors: Yu-Chen Hsu, Yu-Wen Wang, Horng-Kuang Fan, Mao-Fa Shen
  • Patent number: 10437297
    Abstract: A chassis having embedded air jets for cooling a computer device is disclosed. The chassis includes a pair of side walls defining a front end and a rear end. The chassis includes a bottom plate for mounting an electronic component. Ducts are supported by each of the side walls. The ducts include a front opening and a rear opening. Two static fans are coupled to the rear openings of the ducts. A nozzle frame is located at the front end of the chassis. The nozzle frame includes a lateral nozzle bar emitting an air jet generated from the front openings of the ducts.
    Type: Grant
    Filed: March 15, 2018
    Date of Patent: October 8, 2019
    Assignee: QUANTA COMPUTER INC.
    Inventors: Chao-Jung Chen, Yu-Nien Huang, Ching-Yu Chen
  • Patent number: 10434578
    Abstract: A direct-drive two-axis machining head includes a head-drive unit and a shaft-drive unit. The head-drive unit includes a head-installing interface, a first motor, an axis-A supporter, and a first brake mounted at an outermost rim of either a first motor seat or a stator of the first motor for braking the axis-A supporter. The shaft-drive unit further includes an axis-A-installing interface, a second motor, a shaft connector, and a second brake mounted at an outermost rim of a second motor seat of the second motor for braking the shaft connector. The head-drive unit further includes a fixation sheet metal and a pipeline shield. The fixation sheet metal connects the rotor seat. One end of the pipeline shield connects the fixation sheet metal, while another end thereof connects the head-installing interface so as to shield a plurality of pipelines.
    Type: Grant
    Filed: December 8, 2017
    Date of Patent: October 8, 2019
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Wei-Juh Lin, Jyun-Yu Chen, Wei-Tse Lin
  • Patent number: 10435931
    Abstract: A door closer device for driving a door to a predetermined closed position includes an adjustment mechanism and a door closer which is integrated with the door. The adjustment mechanism includes a base, an adjusting plate and at least one fixing element, wherein the adjusting plate is stacked with the base and coupled with the door closer. The adjusting plate and the base respectively include at least one adjusting bore, and the adjusting bores are corresponding with each other. One of the adjusting bores includes a first limiting end and a second limiting end, and a first moving path is defined between the first and second limiting ends. The fixing element is disposed in the adjusting bores and can move along the first moving path to fix the adjusting plate on the base.
    Type: Grant
    Filed: May 11, 2017
    Date of Patent: October 8, 2019
    Assignee: ARCTEK INDUSTRIAL CO., LTD.
    Inventors: Wen-Yuan Su, Jia-Yu Chen
  • Patent number: 10434403
    Abstract: The present disclosure discloses an information processing method performed at a terminal including: rendering a graphical user interface of an online game system, the graphical user interface including one or more virtual characters and at least one virtual resource object; detecting a touch operation on a specific virtual resource object; identifying a configuration parameter corresponding to the specific virtual resource object, the configuration parameter including multiple preconfigured operation objects, each preconfigured operation object having an associated message; rendering, within the graphical user interface, an information interface with the preconfigured operation objects located near the specific virtual resource object; detecting a release operation on the specific virtual resource object when one operation object is rendered visually distinguishable over other operation objects in the graphical user interface; and transmitting a message associated with the visually distinguishable operation
    Type: Grant
    Filed: October 4, 2017
    Date of Patent: October 8, 2019
    Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Jianmiao Weng, Yong Tang, Wei Gong, Yu Chen
  • Patent number: 10436642
    Abstract: A lens scanning mode hyperspectral imaging system and a rotor unmanned aerial vehicle include: an imaging lens, an imaging spectrometer and a surface array detector arranged in sequence and coaxial to a main optic axis, wherein the imaging spectrometer and the surface array detector are connected and mounted to each other; wherein the lens scanning mode hyperspectral imaging system further includes: a driving device for driving the imaging lens to translate relative to a plane where a slit of the imaging spectrometer is. The hyperspectral imaging system of the present invention overcomes the technical bias in the prior art that the imaging lens must be fixed, and the present invention provides relative motion between the target object and the imaging spectrometer by the lens scanning mode for imaging, which solves the image distortion problem of conventional hyperspectral imaging system using a slit scanning mode or a scanning mode.
    Type: Grant
    Filed: August 15, 2017
    Date of Patent: October 8, 2019
    Assignee: SICHUAN DUALIX SPECTRAL IMAGING TECHNOLOGY CO., LTD.
    Inventors: Xinghai Chen, Yelin Liu, Zhihui Huang, Yu Huang
  • Patent number: 10439489
    Abstract: A hybrid-mode boost power factor corrector includes an inductor, a switch unit, a diode unit, a current-detecting unit, and a control unit. The inductor is coupled to a DC input power source. The switch unit is coupled to the inductor and a ground. The diode unit is coupled to the inductor and the switch unit. The current-detecting unit receives an inductor current flowing through the inductor and provides a current detection signal corresponding to the inductor current. The control unit is coupled to the current-detecting unit to receive the current detection signal. When the hybrid-mode boost power factor corrector is operated in a light-load condition, the control unit samples a peak value of the current detection signal; when the hybrid-mode boost power factor corrector is operated in a heavy-load condition, the control unit samples an average value of the current detection signal.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: October 8, 2019
    Assignee: Chicony Power Technology Co., Ltd.
    Inventors: Hsien-Yi Tsai, Yu-Chen Liu
  • Patent number: 10438842
    Abstract: A method of fabricating a contact hole includes the steps of providing a conductive line, a mask layer covering and contacting the conductive line, a high-k dielectric layer covering and contacting the mask layer, and a first silicon oxide layer covering and contacting the high-k dielectric layer, wherein the high-k dielectric layer includes a first metal oxide layer, a second metal oxide layer and a third metal oxide layer stacked from bottom to top. A dry etching process is performed to etch the first silicon oxide layer, the high-k dielectric layer, and the mask layer to expose the conductive line and form a contact hole. Finally, a wet etching process is performed to etch the first silicon oxide layer, the third metal oxide layer and the second metal oxide layer to widen the contact hole, and the first metal oxide layer remains after the wet etching process.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: October 8, 2019
    Assignees: UNITED MICROELECTRONICS CORP., Fujian Jinhua Ingtegrated Circuit Co., Ltd.
    Inventors: Feng-Yi Chang, Shih-Fang Tzou, Fu-Che Lee, Hsin-Yu Chiang, Yu-Ching Chen