Patents by Inventor Chih Chien Huang

Chih Chien 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).

  • Patent number: 10804738
    Abstract: A multipath charger includes a first charging path, a second charging path, and a management module. A supply voltage is coupled through the first charging path and the second charging path to a battery. The management module provides the supply voltage and detects the operating state of the battery. The management module selectively enables the first charging path, the second charging path, or both according to the operating state of the battery, so as to charge the battery through the enabled charging path.
    Type: Grant
    Filed: March 14, 2019
    Date of Patent: October 13, 2020
    Assignee: MediaTek Inc.
    Inventors: Chih-Chien Huang, Po-Hsin Chen, Chih-Yuan Hsu
  • Publication number: 20200250239
    Abstract: An automated information retrieval system includes a processor coupled to a communications interface and a non-transitory memory. The processor is configured to read instructions from the non-transitory memory to cause the system to perform operations comprising receiving a term including a plurality of words and generating a plurality of word vectors corresponding to the plurality of words respectively. A plurality of term vectors associated with the term is generated using the plurality of word vectors based on a plurality of term vector rules respectively. A combination term vector associated with the term is generated by combining the plurality of term vectors. One or more search results from a database for the term are provided using the combination term vector.
    Type: Application
    Filed: January 31, 2019
    Publication date: August 6, 2020
    Inventors: Chih Chien Huang, Jianxiong Dong
  • Publication number: 20190280506
    Abstract: A multipath charger includes a first charging path, a second charging path, and a management module. A supply voltage is coupled through the first charging path and the second charging path to a battery. The management module provides the supply voltage and detects the operating state of the battery. The management module selectively enables the first charging path, the second charging path, or both according to the operating state of the battery, so as to charge the battery through the enabled charging path.
    Type: Application
    Filed: March 14, 2019
    Publication date: September 12, 2019
    Applicant: MediaTek Inc.
    Inventors: Chih-Chien Huang, Po-Hsin Chen, Chih-Yuan Hsu
  • Publication number: 20190279160
    Abstract: Aspects of the subject disclosure may include, for example, embodiments include receiving first user-generated input from a recruiter device. The recruiter device is associated with a manager of a group. Further embodiments include generating a first smart contract between an applicant and the manager according to the first user-generated input. The generating of the first smart contract comprises generating the first smart contract on a blockchain. Additional embodiments can include providing the applicant access to the group according to the first smart contract, receiving second user-generated input from the recruiter device, and generating a second smart contract between a record keeper and the manager according to the second user-generated input. The generating of the second smart contract comprises generating the second smart contract on the blockchain. Also, embodiments can include providing the record keeper access to the group according to the second smart contract. Other embodiments are disclosed.
    Type: Application
    Filed: July 30, 2018
    Publication date: September 12, 2019
    Applicant: AT&T Intellectual Property I, L.P.
    Inventors: Joshua Whitney, Matt Dugan, Johan Muedsam, Aarthi Reddy, Divesh Srivastava, Yaron Kanza, Jean Luo, Chih Chien Huang
  • Patent number: 10277050
    Abstract: A multipath charger includes a first charging path, a second charging path, and a management module. A supply voltage is coupled through the first charging path and the second charging path to a battery. The management module provides the supply voltage and detects the operating state of the battery. The management module selectively enables the first charging path, the second charging path, or both according to the operating state of the battery, so as to charge the battery through the enabled charging path.
    Type: Grant
    Filed: December 24, 2014
    Date of Patent: April 30, 2019
    Assignee: MediaTek Inc.
    Inventors: Chih-Chien Huang, Po-Hsin Chen, Chih-Yuan Hsu
  • Patent number: 9929576
    Abstract: A method, device and adaptor for dynamically adjusting charging current of the adaptor to achieve thermal protection and fast charging. The method includes the steps of: checking whether the adaptor is capable of providing a target current for a battery connected to a charger device, and generating a check result; and according to the check result, making the adaptor to adjust a charging voltage provided by the adaptor from a first voltage to a second voltage so as to adjust the charging current supplied by the adaptor.
    Type: Grant
    Filed: June 3, 2014
    Date of Patent: March 27, 2018
    Assignee: MEDIATEK INC.
    Inventors: Chien-Lung Lee, Chih-Chien Huang
  • Publication number: 20170288427
    Abstract: A charger circuit for use in controlling charge of a battery pack, which includes a charge control switch and a control unit. The charger circuit has at least one power output terminal and one connection terminal for coupling the battery pack. The charge control switch is arranged to selectively provide a power from a power source to the battery pack through the power output terminal. The control unit is coupled to the charge control switch and the connection terminal, and determines whether to turn off the charge control switch according to a signal based on the connection terminal, wherein the signal based on the connection terminal indicates at least one of an over-voltage condition and an over-temperature condition.
    Type: Application
    Filed: June 3, 2016
    Publication date: October 5, 2017
    Inventors: Kuo-Chang Lo, Chia-Hsiang Lin, Chih-Chien Huang
  • Publication number: 20160344219
    Abstract: A method for adjusting a voltage threshold for a battery being connected to a portable device includes: dynamically measuring an internal resistance of the battery; and dynamically adjusting the voltage threshold according to the internal resistance of the battery and a current flowing through the battery.
    Type: Application
    Filed: December 16, 2014
    Publication date: November 24, 2016
    Applicant: MEDIATEK INC,
    Inventors: Chien-Lung Lee, Chih-Chien Huang
  • Publication number: 20160049804
    Abstract: A method, device and adaptor for dynamically adjusting charging current of the adaptor to achieve thermal protection and fast charging. The method includes the steps of: checking whether the adaptor is capable of providing a target current for a battery connected to a charger device, and generating a check result; and according to the check result, making the adaptor to adjust a charging voltage provided by the adaptor from a first voltage to a second voltage so as to adjust the charging current supplied by the adaptor.
    Type: Application
    Filed: June 3, 2014
    Publication date: February 18, 2016
    Inventors: Chien-Lung Lee, Chih-Chien Huang
  • Publication number: 20150357851
    Abstract: A multipath charger includes a first charging path, a second charging path, and a management module. A supply voltage is coupled through the first charging path and the second charging path to a battery. The management module provides the supply voltage and detects the operating state of the battery. The management module selectively enables the first charging path, the second charging path, or both according to the operating state of the battery, so as to charge the battery through the enabled charging path.
    Type: Application
    Filed: December 24, 2014
    Publication date: December 10, 2015
    Inventors: Chih-Chien HUANG, Po-Hsin CHEN, Chih-Yuan HSU
  • Patent number: 8810218
    Abstract: A voltage regulator includes a pass transistor, an operational amplifier and a voltage divider circuit. The pass transistor receives a supply voltage to generate a regulated output voltage according to a control signal. The operational amplifier generates the control signal according to a feedback voltage. The voltage divider circuit generates the feedback voltage at a feedback node according to the regulated output voltage, and includes a string of resistors and a stabilization element. The string of resistors is coupled to the pass transistor and includes multiple resistors. The stabilization element is coupled to the resistors and receives the regulated output voltage.
    Type: Grant
    Filed: September 12, 2012
    Date of Patent: August 19, 2014
    Assignee: Mediatek Singapore Pte. Ltd.
    Inventors: Yingyi Liu, Kun Lan, Chih-Chien Huang, Yu-Kai Chou
  • Patent number: 8766417
    Abstract: An integrated circuit chip includes a semiconductor substrate; a first interconnection wire having a first portion and a second portion on the semiconductor substrate, wherein the second portion is separated from the first portion; a second interconnection wire situated under the first interconnection wire; a first conductive via electrically coupling the first portion with the second interconnection wire; a conductive layer situated between the first interconnection wire and the second interconnection wire; and a second conductive via electrically coupling the conductive layer with the second portion.
    Type: Grant
    Filed: June 3, 2013
    Date of Patent: July 1, 2014
    Assignee: Mediatek Inc.
    Inventors: Chao-Chun Tu, Shih-Hung Lin, Chih-Chien Huang, Tien-Chang Chang
  • Patent number: 8630158
    Abstract: A method for reducing a number of input terminals of an APC circuit is provided, where the APC circuit is arranged to control an optical pickup unit (OPU) within an optical storage device. The method includes: utilizing at least one switching module to ground one of a first and a second input terminals of the APC circuit at a time; and utilizing the switching module to electrically connect an APC front end within the APC circuit to a non-grounded input terminal of the first and the second input terminals, in order to receive a detection signal of a photo diode of the OPU through the non-grounded input terminal at the time. An associated APC circuit is also provided.
    Type: Grant
    Filed: June 13, 2010
    Date of Patent: January 14, 2014
    Assignee: MediaTek Singapore Pte. Ltd.
    Inventors: Cong Liu, Chih-Chien Huang
  • Publication number: 20130264681
    Abstract: An integrated circuit chip includes a semiconductor substrate; a first interconnection wire having a first portion and a second portion on the semiconductor substrate, wherein the second portion is separated from the first portion; a second interconnection wire situated under the first interconnection wire; a first conductive via electrically coupling the first portion with the second interconnection wire; a conductive layer situated between the first interconnection wire and the second interconnection wire; and a second conductive via electrically coupling the conductive layer with the second portion.
    Type: Application
    Filed: June 3, 2013
    Publication date: October 10, 2013
    Inventors: Chao-Chun Tu, Shih-Hung Lin, Chih-Chien Huang, Tien-Chang Chang
  • Patent number: 8492017
    Abstract: A battery for a portable electronic device includes a recess, a number of electronic strips arranged on the bottom surface of the recess, and a number of latching slots defined in the sidewall of the recess.
    Type: Grant
    Filed: May 17, 2012
    Date of Patent: July 23, 2013
    Assignee: Chi Mei Communication Systems, Inc.
    Inventor: Chih-Chien Huang
  • Patent number: 8476745
    Abstract: An integrated circuit chip includes a semiconductor substrate; a first interconnection wire having a first portion and a second portion on the semiconductor substrate, wherein the second portion is separated from the first portion; a second interconnection wire situated under the first interconnection wire; a first conductive via electrically coupling the first portion with the second interconnection wire; a conductive layer situated between the first interconnection wire and the second interconnection wire; and a second conductive via electrically coupling the conductive layer with the second portion.
    Type: Grant
    Filed: May 4, 2009
    Date of Patent: July 2, 2013
    Assignee: Mediatek Inc.
    Inventors: Chao-Chun Tu, Shih-Hung Lin, Chih-Chien Huang, Tien-Chang Chang
  • Patent number: 8451884
    Abstract: An offset calibration method is provided. Two input terminals of an equalizer are switched to a common voltage at a first time point, wherein the equalizer generates a first equalized signal and a second equalized signal according to the common voltage. It is determined whether a first offset voltage is present in the equalizer according to the first and second equalized signals generated from the common voltage. If the first offset voltage is determined to be present in the equalizer, a first compensation voltage is provided to the equalizer.
    Type: Grant
    Filed: February 21, 2008
    Date of Patent: May 28, 2013
    Assignee: Mediatek Inc.
    Inventors: Chien-Ming Chen, Chih-Chien Huang, Shang-Yi Lin
  • Publication number: 20130076325
    Abstract: A voltage regulator includes a pass transistor, an operational amplifier and a voltage divider circuit. The pass transistor receives a supply voltage to generate a regulated output voltage according to a control signal. The operational amplifier generates the control signal according to a feedback voltage. The voltage divider circuit generates the feedback voltage at a feedback node according to the regulated output voltage, and includes a string of resistors and a stabilization element. The string of resistors is coupled to the pass transistor and includes multiple resistors. The stabilization element is coupled to the resistors and receives the regulated output voltage.
    Type: Application
    Filed: September 12, 2012
    Publication date: March 28, 2013
    Applicant: MEDIATEK SINGAPORE PTE. LTD.
    Inventors: Yingyi LIU, Kun LAN, Chih-Chien HUANG, Yu-Kai CHOU
  • Patent number: 8320230
    Abstract: A processing circuit for optical data is provided. The processing circuit includes a signal-processing module and a radio frequency (RF) signal-summing module. The signal-processing module averages and filters the data signals to obtain a low-frequency signal. The RF signal-summing module receives the data signals and the low-frequency signal, sums the data signals to obtain a summed data signal, and subtracts the low-frequency signal from the summed data signal to obtain a RF summing signal.
    Type: Grant
    Filed: March 27, 2008
    Date of Patent: November 27, 2012
    Assignee: Mediatek Inc.
    Inventors: Chih-Chien Huang, Chien Ming Chen, Kuo-Pin Lan
  • Patent number: 8305364
    Abstract: A stylus is used in an electronic device. The electronic device includes a navigation key. The stylus includes a barrel, a tip portion; and a connecting assembly. The tip portion can be detachably attached to an end of the barrel. The connecting assembly includes a main post and four resisting arms, and connects to the other end of the barrel, and the resisting arms are rotatably seated on the tip portion. When the stylus is used as a joystick, the resisting arms are rotated about 90° to form a cross shape, the tip portion is attached to the main post, and the resisting arms latch to the navigation key. The present disclosure further discloses an electronic device using the stylus.
    Type: Grant
    Filed: March 30, 2010
    Date of Patent: November 6, 2012
    Assignee: Chi Mei Communication Systems, Inc.
    Inventor: Chih-Chien Huang