Patents by Inventor Chih-Yuan Hsu

Chih-Yuan Hsu 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: 10367365
    Abstract: A method used between a portable device and a battery pack including at least one battery cell includes: transmitting information for the battery cell from the portable device to the battery pack via the connecting interface or from the battery pack to the portable device via the connecting interface; and according to the information for the battery cell, performing at least one control operation that is associated with the battery cell; wherein there is an analog communication from the battery cell of the battery pack to the portable device to provide a voltage level actually from the battery cell.
    Type: Grant
    Filed: January 2, 2018
    Date of Patent: July 30, 2019
    Assignee: MEDIATEK INC.
    Inventors: Jui-Chi Wu, Chi-Ming Lee, Chih-Yuan Hsu
  • Publication number: 20190140456
    Abstract: A charging method, a charging system and an electronic device are provided. The charging method includes the following steps: An inputting current limit is set. An inputting current of at least one charger is measured. A power source voltage of a power source is adjusted until a current difference between the inputting current and the inputting current limit is within a predetermined range.
    Type: Application
    Filed: May 18, 2018
    Publication date: May 9, 2019
    Inventors: Chih-Yuan HSU, Shih-Ming CHEN, Chi-Ming LEE
  • 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: 10268184
    Abstract: An apparatus and method for transforming NC programs are provided, and the apparatus is electrically connected to a controller configured to, according to a NC program, command a machine to drive a cutting tool to cut a workpiece. The apparatus includes a triggering module, a coordinate position processing module, and a storage module. The triggering module is electrically connected to the controller. The coordinate position processing module is electrically connected to the controller and the triggering module. The storage module is electrically connected to the coordinate position processing module. The triggering module triggers the controller to execute the NC program in a single block mode. The coordinate position processing module is triggered by the triggering module to acquire at least one coordinate position from the controller. The storage module stores the at least one coordinate position. The triggering module simultaneously triggers the controller and the coordinate position processing module.
    Type: Grant
    Filed: December 23, 2015
    Date of Patent: April 23, 2019
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Chih-Yuan Hsu, Jui-Ming Chang, Shuo-Peng Liang, Tzuo-Liang Luo, Ta-Jen Peng, Jen-Ji Wang
  • Publication number: 20190109480
    Abstract: An electronic device includes: a connector, arranged for coupling to a power supply external to the electronic device, wherein the power supply is arranged to provide a supply voltage to the electronic device to charge a battery of the electronic device; and a charger, coupled to the connector and selectively operated in a normal mode or a self-test mode, wherein when the charger operates in the normal mode, the charger is arranged for receiving the supply voltage via a power pin of the connector to charge the battery of the electronic device; and when the charger operates in the self-test mode, the charger provides a specific voltage to the power pin of the connector. The charger includes a detector to detect the current or voltage of at least one pin of the connector to generate a detecting result, and the supply voltage is set based on the detecting result.
    Type: Application
    Filed: December 10, 2018
    Publication date: April 11, 2019
    Inventors: Chih-Yuan Hsu, Yu-Yuan Kuo
  • Patent number: 10241495
    Abstract: An apparatus for providing a feedback force includes a calculating unit and a force feedback displacement controller. The calculating unit receives relative position information of a first object and a second object and geometric information of the first object and the second object. If the first object and the second object are not in contact, the calculating unit calculates a force feedback value based on the relative position information and the geometric information. The force feedback displacement controller outputs a displacement command, and receives the force feedback value. The displacement command allows the first object to move with respect to the second object. The force feedback displacement controller includes a displacement unit that generates the displacement command based on an operation of a user, and a force feedback unit that provides a feedback force to the displacement unit based on the force feedback value.
    Type: Grant
    Filed: December 4, 2014
    Date of Patent: March 26, 2019
    Assignee: Industrial Technology Research Institute
    Inventors: Chih-Yuan Hsu, Shuo-Peng Liang, Jui-Ming Chang
  • Patent number: 10211655
    Abstract: A method for controlling a state of a battery includes: providing and using a specific connecting interface to connect the battery and a portable device; and controlling the battery to enter a shipping mode and exit the shipping mode by using the specific connecting interface.
    Type: Grant
    Filed: August 10, 2015
    Date of Patent: February 19, 2019
    Assignee: MediaTek Inc.
    Inventors: Jui-Chi Wu, Chi-Ming Lee, Chih-Yuan Hsu
  • Patent number: 10181742
    Abstract: An electronic device including a connector and a charger is provided. The connector is arranged for coupling to a power supply external to the electronic device, wherein the power supply is arranged to provide a supply voltage to the electronic device to charge a battery of the electronic device. The charger is coupled to the connector and selectively operated in a normal mode or a self-test mode, wherein when the charger operates in the normal mode, the charger is arranged for receiving the supply voltage via a power pin of the connector to charge the battery of the electronic device; and when the charger operates in the self-test mode, the charger provides a specific voltage to the power pin of the connector.
    Type: Grant
    Filed: January 26, 2016
    Date of Patent: January 15, 2019
    Assignee: MEDIATEK INC.
    Inventors: Chih-Yuan Hsu, Yu-Yuan Kuo
  • Patent number: 10152046
    Abstract: A system and a method for optimizing machining force of NC program is disclosed. The system includes a tool path acquisition unit and a NC program optimizing unit; the tool path acquisition unit is for acquiring a coordinate set of points composed by a coordinate information outputted by a controller, and modifying with respect to the coordinate set of points so as to form a tool path; the NC program optimizing unit is for analyzing machining force in accordance with the tool path, a tool information, a workpiece information and a machine tool characteristic information, and modifying with modified processing feed rates to generate an optimized NC program.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: December 11, 2018
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Chih-Yuan Hsu, Yu-Ling Chang, Yu-An Tseng, Shuo-Peng Liang, Tzuo-Liang Luo
  • Patent number: 10148101
    Abstract: A battery charging system for charging a battery of a portable device includes: a power supplier, generating a power supplier output voltage and a power supplier output current; and a charging circuit, dynamically updating an over-voltage protection threshold and/or an over-current protection threshold based on a charging current, a battery cell charging voltage and an equivalent impedance of a charge path. The power supplier output current and/or the over-voltage protection threshold and/or the over-current protection threshold are time-varying during the battery is charged. The power supplier performs over-voltage protection and/or over-current protection based on the over-voltage protection threshold and/or the over-current protection threshold from the charging circuit.
    Type: Grant
    Filed: April 6, 2017
    Date of Patent: December 4, 2018
    Assignee: MEDIATEK INC.
    Inventors: Chih-Yuan Hsu, Shih-Ming Chen, Jia-You Chuang
  • Publication number: 20180341563
    Abstract: A server system, a server device, and a power supply recovery method therefor are provided. The server system includes a plurality of servers and a power controller. Each of the servers includes an AC power supply and a DC power supply. The DC power supplies of the servers are mutually connected through a cable. The power controller communicates with the servers. When a specific server detects that the AC power supply belonging thereto does not operate normally, the power controller informs other servers of a power required by the specific server, and the specific server controls the DC power supply belonging thereto to obtain powers provided from other servers through the cable, so as to maintain the operation of the specific server.
    Type: Application
    Filed: September 20, 2017
    Publication date: November 29, 2018
    Applicant: Wistron Corporation
    Inventors: Wei-Yu Chiang, Kui-Yeh Chen, Yi-Chen Luo, Chih-Yuan Hsu, Chung-Chin Li
  • Publication number: 20180331548
    Abstract: According to at least one aspect, a device is provided. The device comprises: a connector configured to electrically couple to an external device and comprising a plurality of terminals including a supply terminal; a monitoring circuit coupled to the supply terminal and configured to apply an electrical signal to the supply terminal and measure at least one of a voltage level and a current level on the supply terminal; a controller communicatively coupled to the monitoring circuit and configured to: determine whether an impedance between the supply terminal and at least one other terminal in the plurality of terminals is above a threshold using the at least one of the voltage level and the current level on the supply terminal; and output at least one message responsive to the impedance being below the threshold.
    Type: Application
    Filed: June 29, 2018
    Publication date: November 15, 2018
    Applicant: MediaTek Inc.
    Inventors: Chih-Yuan Hsu, Chi-Ming Lee, Shih-Ming Chen
  • Publication number: 20180262017
    Abstract: The invention provides a method for improving temperature management of a battery pack. The battery pack may comprise a battery cell charged via at least one supply trace of a PCB (printed circuit board), a protection circuit module mounted on the PCB and coupled to the at least one supply trace, and a plurality of temperature sensors respectively reflecting a temperature of the battery cell and a temperature of the PCB. The method may comprise: measuring a cell temperature and a PCB temperature by the temperature sensors; when charging the battery cell by a charging current and a charging voltage, controlling the charging voltage and the charging current according to the cell temperature, and adjusting the charging current further according to the PCB temperature, so as to constrain the temperature of the PCB.
    Type: Application
    Filed: December 22, 2017
    Publication date: September 13, 2018
    Inventors: Chih-Yuan Hsu, Chi-Ming Lee, Shih-Ming Chen
  • Publication number: 20180214108
    Abstract: An animal carrying bed includes a tubular unit, an electrical connector and an end cover unit. The electrical connector is arranged on one end of the tubular unit, and the end cover unit is arranged at another end thereof. The end cover unit is formed of an intake channel and a discharge channel therein and separated from each other. The end cover unit is formed of an intake opening inside the tubular unit and connected to the intake channel. The end cover unit is formed of a plurality of discharge openings inside the tubular unit and connected to the discharge channel. The intake channel and the discharge channel are connected to the electrical connector via guide tubes respectively, and the guide tubes are installed inside the tubular unit.
    Type: Application
    Filed: January 13, 2018
    Publication date: August 2, 2018
    Inventors: Yi-Da TSAI, Chih-Yuan HSU
  • Publication number: 20180177471
    Abstract: A carrier positioning device includes a carrying base (100) and a carrier (200). A clamp (110) is arranged on the carrying base (100) and a protruding hook (113) protrudes from one side of a distal end (111) of the clamp (110). The carrier (200) has a pipe (210), and a joint (220) is disposed at one end of the pipe (210). The protruding hook (113) hooks one side of the joint (220) so that at least another portion of the carrier (200) is in contact with the carrying base (100). Accordingly, the carrier (200) can be quickly installed or be removed along a lateral direction.
    Type: Application
    Filed: June 20, 2017
    Publication date: June 28, 2018
    Inventors: Chih-Yuan HSU, Yi-Da TSAI
  • Patent number: 9997943
    Abstract: A charging system comprises an electronic device and a power adapter for charging the electronic device. The electronic device has a bi-directional communication with the power adapter; and the electronic device is arranged to send a health check command to the power adapter, and the power adapter performs a self-health check operation and reports a checking result to the electronic device. In addition, the electronic device may calculate a cable impedance, and control a compensation function of the power adapter by referring to the calculated cable impedance.
    Type: Grant
    Filed: June 15, 2015
    Date of Patent: June 12, 2018
    Assignee: MEDIATEK INC.
    Inventors: Chih-Yuan Hsu, Chuan-Chang Lee
  • Publication number: 20180150060
    Abstract: A system and a method for optimizing machining force of NC program is disclosed. The system includes a tool path acquisition unit and a NC program optimizing unit; the tool path acquisition unit is for acquiring a coordinate set of points composed by a coordinate information outputted by a controller, and modifying with respect to the coordinate set of points so as to form a tool path; the NC program optimizing unit is for analyzing machining force in accordance with the tool path, a tool information, a workpiece information and a machine tool characteristic information, and modifying with modified processing feed rates to generate an optimized NC program.
    Type: Application
    Filed: December 28, 2016
    Publication date: May 31, 2018
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: CHIH-YUAN HSU, YU-LING CHANG, YU-AN TSENG, SHUO-PENG LIANG, TZUO-LIANG LUO
  • Publication number: 20180131195
    Abstract: A method used between a portable device and a battery pack including at least one battery cell includes: transmitting information for the battery cell from the portable device to the battery pack via the connecting interface or from the battery pack to the portable device via the connecting interface; and according to the information for the battery cell, performing at least one control operation that is associated with the battery cell; wherein there is an analog communication from the battery cell of the battery pack to the portable device to provide a voltage level actually from the battery cell.
    Type: Application
    Filed: January 2, 2018
    Publication date: May 10, 2018
    Inventors: Jui-Chi Wu, Chi-Ming Lee, Chih-Yuan Hsu
  • Patent number: 9954457
    Abstract: An overvoltage protection circuit adapted for a switching power supply is provided. The overvoltage protection circuit can use the time difference of the start of the overvoltage protection to distinguish that the overvoltage of the output voltage of the switching power supply is caused by the failure of the internal feedback or by the internal power supply, thereby avoiding a short and harmless external power supply to affect the normal operation of the switching power supply but can immediately stop the switching power supply to achieve protection when the switching power supply has an internal feedback failure.
    Type: Grant
    Filed: August 22, 2017
    Date of Patent: April 24, 2018
    Assignee: Asian Power Devices Inc.
    Inventor: Chih-Yuan Hsu
  • Publication number: 20180069477
    Abstract: An overvoltage protection circuit adapted for a switching power supply is provided. The overvoltage protection circuit can use the time difference of the start of the overvoltage protection to distinguish that the overvoltage of the output voltage of the switching power supply is caused by the failure of the internal feedback or by the internal power supply, thereby avoiding a short and harmless external power supply to affect the normal operation of the switching power supply but can immediately stop the switching power supply to achieve protection when the switching power supply has an internal feedback failure.
    Type: Application
    Filed: August 22, 2017
    Publication date: March 8, 2018
    Inventor: CHIH-YUAN HSU