Patents by Inventor Shih-An Huang

Shih-An Huang 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).

  • MULTI-BAND ANTENNA ARRAY
    Publication number: 20190081414
    Abstract: A multi-band antenna array includes a plurality of first antennas for resonating at a first band, and a plurality of second antennas for resonating at a second band. A frequency of the second band is higher than a frequency of the first band. Locations of the plurality of first antennas project to a plurality of grid-one positions on a surface; locations of the plurality of second antennas project to a plurality of grid-two positions on the surface. Among the grid-one positions, a second grid-one position is nearest to a first grid-one position by a first distance along a first direction. Among the grid-two positions, a first grid-two position and a second grid-two position are closest two to the first grid-one position. The first and second grid-two positions are separated by a second distance along a second direction; and, the first direction and the second direction are nonparallel.
    Type: Application
    Filed: August 14, 2018
    Publication date: March 14, 2019
    Inventors: Yeh-Chun KAO, Wun-Jian LIN, Chen-Fang TAI, Shao-Yu HUANG, Shih-Huang YEH
  • Maintenance method for network connection and computer system
    Patent number: 10187351
    Abstract: A maintenance method for network connection and a computer system are provided. The method is adapted to a computer system having a timer. The timer is configured to regularly wake up the computer system to check whether a network connection is working normally. In the method, the computer system is waked up at intervals of a first time interval within a predetermined period and a current IP address of the computer system is extracted. The predetermined period is divided into a plurality of periods by the first time interval. Whether a change occurs on the IP address is determined withing each of the periods, and accordingly the computer system is waked up to check the network connection.
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: January 22, 2019
    Assignee: Acer Incorporated
    Inventors: Siang-Sheng Jheng, Ching-Ho Tsai, Shu-Chun Liao, Chao-Shih Huang, Yu-Ren Yang
  • INVISIBLE ANTENNAS
    Publication number: 20190013573
    Abstract: In example implementations, an antenna for a mobile device is provided. The antenna includes a printed circuit board and a plurality of metal members coupled to the printed circuit board. The printed circuit board is devoid of metal traces. The plurality of metal members is positioned along a length of the printed circuit board to operate at a desired frequency band when inserted into an opening along an outer edge perimeter of a metallic housing of the mobile device.
    Type: Application
    Filed: October 24, 2016
    Publication date: January 10, 2019
    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: David CHI, Leo Joseph GERTEN, Hung-Wen CHENG, Po Chao CHEN, Shih Huang WU, Sean HUNG
  • DUAL-BAND WIRELESS LAN ANTENNA
    Publication number: 20180375191
    Abstract: In one example, a dual-band wireless LAN antenna. The antenna includes plural antenna traces disposed in a first plane that is substantially parallel to, and spaced apart from, a plane of electrically conductive material. At least two of the traces are dimensioned to resonate at different frequencies. The antenna also includes a decoupling element disposed in a second plane between the first plane and the conductive plane. The decoupling element is electrically connected to a selected one of the antenna traces. The antenna further includes a conductor which is electrically connected to the decoupling element and to the conductive plane.
    Type: Application
    Filed: January 20, 2016
    Publication date: December 27, 2018
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: David CHI, Shih-Huang WU, Po-Chao CHEN
  • COFFEE POWDER DISTRIBUTION DEVICE
    Publication number: 20180289202
    Abstract: A coffee powder distribution device includes a rotary member. The rotary member includes a shaft and a plurality of blades. The shaft is rotatable along an axis. The blades are disposed on the shaft and each have an inclined angle relative to the axis. Through rotation of the shaft, the blades are rotated coaxially to guide coffee powder to evenly fall down and distribute in a carrier.
    Type: Application
    Filed: August 17, 2017
    Publication date: October 11, 2018
    Inventors: Yu-Ming Yang, Shih-Huang Yeh, Yen-Ping Chen
  • HEAD-MOUNTED DISPLAY AND CHROMA ABERRATION COMPENSATION METHOD USING SUB-PIXEL SHIFTING
    Publication number: 20180268751
    Abstract: A chroma aberration compensation method using sub-pixel shifting for use in a head-mounted display is provided. The method includes the steps of: obtaining image data from a host, wherein the image data includes a left-eye image and a right-eye image; obtaining a refraction characteristics curve corresponding to a left-eye lens and a right-eye lens and calculating a resolution of the image data; calculating a distance and a relative direction between each sub-pixel in each color channel of the image data and a center of the image data; adjusting an offset value of each sub-pixel in each color channel of the image data according to the calculated distance and relative direction; performing a sub-pixel shifting compensation process to adjust a sub-image corresponding to each color channel to generate an output image according to the offset value of each sub-pixel in each color channel of the image data.
    Type: Application
    Filed: October 18, 2017
    Publication date: September 20, 2018
    Inventors: Tzu-Chieh LIN, Chao-Shih HUANG, Wei-Kuo SHIH
  • Sense amplifier circuits
    Patent number: 10043578
    Abstract: A sense amplifier circuit includes a single-ended sense amplifier and an isolation switch. The isolation switch is coupled between a bias node and a first line of a memory device, receives an output of the single-ended sense amplifier and selectively isolates the bias node and the first line in response to the output of the single-ended sense amplifier. The first line is coupled to a plurality of memory cells of the memory device.
    Type: Grant
    Filed: November 8, 2016
    Date of Patent: August 7, 2018
    Assignee: MEDIATEK INC.
    Inventors: Shu-Lin Lai, Shu-Hsuan Lin, Shih-Huang Huang
  • DUAL BAND SLOT ANTENNA
    Publication number: 20180219297
    Abstract: Dual band slot antenna is described. The dual band slot antenna includes a ground plane having a slot, a conductive patch, a dielectric substrate disposed between the conductive patch and the ground plane, and a coaxial cable fastened on the conductive patch to form a first loop region and a second loop region of different sizes for dual band operation.
    Type: Application
    Filed: November 10, 2015
    Publication date: August 2, 2018
    Inventors: JU-HUNG CHEN, SHIH HUANG WU, HAO MING CHEN
  • Low power clock buffer circuit for integrated circuit with multi-voltage design
    Patent number: 10027316
    Abstract: A clock buffer circuit is provided. The clock buffer circuit receives an input clock signal and generates a delay clock signal. The clock buffer circuit includes an input circuit, an output circuit, a first delay path, and a second delay path. The input circuit receives the input clock signal and generates an output clock signal according to the input clock signal. The output circuit generates the delay clock signal. The first delay path is coupled between the input circuit and the output circuit. The second delay path is coupled between the input circuit and the output circuit. The input circuit selectively provides the output clock signal to a first specific delay path among the first and second delay paths according to a control signal. The output circuit receives the output clock signal which passes through the first specific delay path and outputs the delay clock signal.
    Type: Grant
    Filed: August 22, 2016
    Date of Patent: July 17, 2018
    Assignee: MEDIATEK INC.
    Inventors: Yi-Feng Chen, Ya-Shih Huang, Chun-Sheng Huang, Yiwei Chen
  • Electrostatic discharge protection device
    Patent number: 9972673
    Abstract: The invention provides an electrostatic discharge (ESD) protection device formed by a Schottky diode. An exemplary embodiment of an ESD protection device comprises a semiconductor substrate having an active region. A first well region having a first conductive type is formed in the active region. A first heavily doped region having the first conductive type is formed in the first well region. A first metal contact is disposed on the first doped region. A second metal contact is disposed on the active region, connecting to the first well region without through any heavily doped region being located therebetween, wherein the first metal contact and the second metal contact are separated by a polysilicon pattern disposed on the first well region.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: May 15, 2018
    Assignee: MEDIATEK INC.
    Inventors: Zheng Zeng, Ching-Chung Ko, Bo-Shih Huang
  • Fin field-effect transistor gated diode
    Patent number: 9947659
    Abstract: The invention provides a semiconductor device. The semiconductor device includes a fin field effect transistor (finFET) array including finFET units. Each of the finFET units includes a substrate having a fin along a first direction. A first metal strip pattern and a second metal strip pattern are formed on the fin, extending along a second direction that is different from the first direction. The first and second metal strip patterns are conformally formed on opposite sidewalls and a top surface of the fin, respectively. A first contact and a second contact are formed on the fin. The first and second metal strip patterns are disposed between the first and second contacts. A first dummy contact is formed on the fin, sandwiched between the first and second metal strip patterns.
    Type: Grant
    Filed: May 25, 2015
    Date of Patent: April 17, 2018
    Assignee: MEDIATEK INC.
    Inventors: Chang-Tzu Wang, Bo-Shih Huang
  • Interface Module for Antenna of Communication Device
    Publication number: 20180090836
    Abstract: An interface module for a communication device includes a first switch, for forming a first connection between a first feeding point of an antenna of the communication device and one of a first matching component and a first grounding component; a second switch, for forming a second connection between a second feeding point of the antenna and one of a second matching component and a second grounding component; and a third switch, for forming a third connection between a transceiver and one of the first matching component and the first grounding component.
    Type: Application
    Filed: June 12, 2017
    Publication date: March 29, 2018
    Inventors: Wun-Jian Lin, Chung-Yu Hung, Chen-Fang Tai, Shih-Huang Yeh
  • Multi-antenna system
    Patent number: 9893793
    Abstract: A multi-antenna system is provided. The multi-antenna system includes a first antenna, a second antenna, a tunable circuit, and a frequency-divisional circuit. The first antenna is utilized to implement signals of a first frequency band. The second antenna is utilized to implement signals of a second frequency band. The second antenna is different from the first antenna, and frequencies of the second frequency band are greater than frequencies of the first frequency band. The tunable circuit is utilized to switch the signals of the first frequency band. The frequency-divisional circuit is utilized to suppress harmonics caused by the tunable circuit.
    Type: Grant
    Filed: June 16, 2016
    Date of Patent: February 13, 2018
    Assignee: MEDIATEK INC.
    Inventors: Shao-Yu Huang, Chung-Yu Hung, Shih-Huang Yeh
  • Electrostatic discharge protection device
    Patent number: 9893049
    Abstract: The invention provides an electrostatic discharge (ESD) protection device. The ESD protection device includes a semiconductor substrate having an active region, a first well region having a first conductive type formed in the active region, a first doped region having the first conductive type formed in the first well region, a first metal contact disposed on the first doped region, and a second metal contact disposed on the active region, connecting to the first well region, wherein no doped region is formed between the second metal contact and the first well region.
    Type: Grant
    Filed: February 25, 2015
    Date of Patent: February 13, 2018
    Assignee: MEDIATEK INC.
    Inventors: Zheng Zeng, Ching-Chung Ko, Bo-Shih Huang
  • Multi-position display deck and antenna
    Patent number: 9865914
    Abstract: A display (122, 622, 722) comprising a display screen (142, 742) is repositionable with respect to a deck (20, 120, 220, 520, 720) comprising keys (24, 724). The display (122, 622, 722) is repositionable between a raised position and a lowered horizontal position. An antenna (28, 528, 628, 728) is located within the deck (20, 120, 220, 520, 720) at a location outwardly beyond the display (122, 622, 722) when the display (122, 622, 722) is in the lowered horizontal position.
    Type: Grant
    Filed: January 31, 2013
    Date of Patent: January 9, 2018
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Hui Leng Lim, Leo J Gerten, Shih-Huang Wu
  • Adjusting transmissions from a wireless communications module
    Patent number: 9853750
    Abstract: Examples disclosed herein control radiation exposure for a wireless computing device. In one example, the wireless computing device monitors for instances of upload transmissions from a wireless communications module of the wireless computing device, performs a running average of the instances of upload transmissions over a period of time, and determines whether the running average exceeds a threshold value. If the running average exceeds the threshold value, the wireless computing device adjusts upload transmissions from the wireless communications module to control the radiation exposure for the wireless computing device.
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: December 26, 2017
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Isaac Lagnado, Shih Huang Wu, Mats Anders Krister Luckman
  • Pixel circuit
    Patent number: 9842891
    Abstract: A pixel circuit is provided comprising the following. The first transistor includes a gate electrode and a semiconductor layer comprising a channel region, a source region, a first drain region, and a second drain region. A first portion of the channel region is connected to the source region, a second portion of the channel region is connected to the first drain region, and a third portion of the channel region is connected to the second drain region. The channel width of the second portion is greater than that of the third portion. A capacitive device is connected to the gate of the first transistor. The second transistor includes a source region connected to the second drain region and a drain region connected to the light-emitting element. The third transistor includes a source region connected to the first drain region and a drain region connected to a capacitive device.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: December 12, 2017
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Chi-Yu Yeh, Chen-Ming Hu, Yen-Shih Huang
  • PIXEL CIRCUIT
    Publication number: 20170323933
    Abstract: A pixel circuit is provided comprising the following. The first transistor includes a gate electrode and a semiconductor layer comprising a channel region, a source region, a first drain region, and a second drain region. A first portion of the channel region is connected to the source region, a second portion of the channel region is connected to the first drain region, and a third portion of the channel region is connected to the second drain region. The channel width of the second portion is greater than that of the third portion. A capacitive device is connected to the gate of the first transistor. The second transistor includes a source region connected to the second drain region and a drain region connected to the light-emitting element. The third transistor includes a source region connected to the first drain region and a drain region connected to a capacitive device.
    Type: Application
    Filed: July 28, 2017
    Publication date: November 9, 2017
    Inventors: Chi-Yu YEH, Chen-Ming HU, Yen-Shih HUANG
  • Robot
    Patent number: D822740
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: July 10, 2018
    Assignee: AROBOT INNOVATION CO., LTD.
    Inventor: Shih-Huang Tsai
  • Robot
    Patent number: D823367
    Type: Grant
    Filed: August 7, 2017
    Date of Patent: July 17, 2018
    Assignee: AROBOT INNOVATION CO., LTD.
    Inventor: Shih-Huang Tsai