Patents by Inventor Chin-Feng Hsu

Chin-Feng 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: 11442687
    Abstract: An audio transmission device coupled to an electronic device and including a detection circuit, a vendor-defined class circuit, and an audio class circuit is provided. The detection circuit detects an external sound to generate an input voice. The vendor-defined class circuit provides a first voice signal to the electronic device according to the input voice. An audio processing application program of the electronic device processes the first voice signal to generate a processed voice to the vendor-defined class circuit. The audio class circuit receives the processed voice from the vendor-defined class circuit, uses the processed voice as a second voice signal, and provides the second voice signal to the media manager of the electronic device.
    Type: Grant
    Filed: June 3, 2020
    Date of Patent: September 13, 2022
    Assignee: VIA LABS, INC.
    Inventors: Chih-Hsien Lin, Chin-Sung Hsu, Li-Feng Pan
  • Publication number: 20220215288
    Abstract: A training system and a training method of reinforcement learning are disclosed. The training system includes a first computer device and a second computer device, and the computing power of the second computer device is better than that of the first computer device. The first computer device stores a reinforcement learning model; receives input data; and feeds the input data into the reinforcement learning model to generate a first output result. The second computer device stores a supervised learning model; receives the input data from the first computer device; feeds the input data into the supervised learning model to generate a second output result; and transmits the second output result to the first computer device. The first computer device further generates reward data according to the first output result and the second output result, and trains the reinforcement learning model according to the reward data.
    Type: Application
    Filed: January 25, 2021
    Publication date: July 7, 2022
    Inventors: Yen-I OUYANG, Chin-Feng LAI, Chieh-Lin CHUANG, Chi-Hsuan LEE, Cheng-Ping TSENG, Wei-Zhong HSU
  • Patent number: 11031805
    Abstract: The present invention provides a power controller, a power supply system and device and control method thereof. The power command value is adjusted according to the state of the power supply system and the characteristic of the secondary battery. When the converting power of the power converter is larger than or equal to the power command value, or when the charging current is smaller than the minimum charging current, the power controller performs the power adjusting mode for providing the first preset output current value. The power converter adjusts the converting power according to the first preset output current value. When the charging current is larger than or equal to the maximum charging current, the power controller performs the charging control mode for providing the second preset output current value. The power converter adjusts the output current according to the second preset output current value.
    Type: Grant
    Filed: September 17, 2018
    Date of Patent: June 8, 2021
    Assignee: ASIA PACIFIC FUEL CELL TECHNOLOGIES, LTD.
    Inventors: Jefferson YS Yang, Chin-Feng Hsu
  • Publication number: 20190089190
    Abstract: The present invention provides a power controller, a power supply system and device and control method thereof. The power command value is adjusted according to the state of the power supply system and the characteristic of the secondary battery. When the converting power of the power converter is larger than or equal to the power command value, or when the charging current is smaller than the minimum charging current, the power controller performs the power adjusting mode for providing the first preset output current value. The power converter adjusts the converting power according to the first preset output current value. When the charging current is larger than or equal to the maximum charging current, the power controller performs the charging control mode for providing the second preset output current value. The power converter adjusts the output current according to the second preset output current value.
    Type: Application
    Filed: September 17, 2018
    Publication date: March 21, 2019
    Inventors: Jefferson YS Yang, Chin-Feng Hsu
  • Patent number: 9780781
    Abstract: A multi-action capacitive switch comprising a capacitive sensing area in a surface, a plunger comprising conductive material, and a structure of flexible conductive material. A change in capacitance caused by the presence of a user's finger travels from the capacitive sensing area, down the conductive material of the plunger, over the structure, and to a capacitive touch detector in contact with the structure. An actuation of the switch, for example by pressing, is detected by an actuation detector. In a handheld electronic device, a user may initiate a phone call using such a multi-action capacitive switch. The method includes displaying a list of phone numbers in response to detection of a user's finger on a predetermined key and calling one of the numbers when the user actuates the predetermined key.
    Type: Grant
    Filed: September 28, 2010
    Date of Patent: October 3, 2017
    Assignee: BlackBerry Limited
    Inventors: Yun Sun Lee, Chin Feng Hsu
  • Publication number: 20150370393
    Abstract: Methods and systems for commencing the execution of tasks on an electronic device are provided. First, the orientation of the electronic device is detected. When an instruction is received, the orientation of the electronic device is analyzed, and a specific task is performed according to the analyzed orientation.
    Type: Application
    Filed: June 2, 2015
    Publication date: December 24, 2015
    Inventor: Chin-Feng Hsu
  • Patent number: 9092192
    Abstract: A key/display assembly includes a first switch and a display module disposed aside the first switch. A touch-sensitive input panel overlies the first switch and the display module, and the touch-sensitive input panel includes a first touch-sensitive region proximate the first switch. The electronic mobile device further includes a first key defined by the first switch and the first touch-sensitive region. As such, the first key is actuated by pressing the first touch-sensitive region to displace the first touch-sensitive region and thereby actuate the first switch.
    Type: Grant
    Filed: February 4, 2011
    Date of Patent: July 28, 2015
    Assignee: Blackberry Limited
    Inventors: Paul John Kudrna, Michael Thomas Pope, James Nelson Aldrich, Chin Feng Hsu, Yun Sun Lee, David Anthony Dettling
  • Patent number: 8742833
    Abstract: A charge pump circuit includes a charging capacitor, a plurality of pumping capacitors, a charging circuit, and a pumping circuit. The charging circuit is configured for charging the charging capacitor when the charge pump circuit is under a charging phase; and the pumping circuit is configured for coupling the charging capacitor charged in the charging phase to a pumping capacitor to generate an output voltage level at the pumping capacitor according to a potential difference stored in the charging capacitor, when the charge pump circuit is under a pumping phase.
    Type: Grant
    Filed: December 2, 2008
    Date of Patent: June 3, 2014
    Assignee: Himax Technologies Limited
    Inventors: Chin-Feng Hsu, Hsien-Ting Huang
  • Patent number: 8436822
    Abstract: A touch panel has a panel capacitor, a first capacitor, and a second capacitor. The panel capacitor and the first capacitor are charged and discharged cyclically according to a first phase signal and a second phase signal, such that an input voltage associated with the panel capacitor and the first capacitor is applied to a control circuit. The control circuit charges and discharges a second capacitor based on the input voltage and a reference voltage to compensate the difference between the input voltage and the reference voltage. The capacitance of the panel capacitor could be calculated based on the frequency of charging and discharging the second capacitor.
    Type: Grant
    Filed: December 21, 2009
    Date of Patent: May 7, 2013
    Assignee: Himax Technologies Limited
    Inventors: Yaw-Guang Chang, Chin-Feng Hsu
  • Patent number: 8384689
    Abstract: A switched-capacitor tracking apparatus including a variable capacitor, an auxiliary capacitor, and a plurality of switches, and an operating method thereof are provided. In a charge period, a first reference voltage charges a panel capacitor, and a second reference voltage charges the variable capacitor. In a detection period, a control circuit detects a parallel connected voltage of the panel capacitor and the variable capacitor. The control circuit compares a third reference voltage and the parallel connected voltage. According to a comparison result, the control circuit dynamically determines whether to parallel connect the auxiliary capacitor to the variable capacitor. If all the comparison results accumulated in a statistics period are a first logic value, then the control circuit increases a capacitance of the variable capacitor. Moreover, if all the comparison results are a second logic value in the statistics period, then the control circuit decreases the capacitance of the variable capacitor.
    Type: Grant
    Filed: December 10, 2009
    Date of Patent: February 26, 2013
    Assignee: Himax Technologies Limited
    Inventors: Yaw-Guang Chang, Chin-Feng Hsu
  • Publication number: 20120200502
    Abstract: A key/display assembly includes a first switch and a display module disposed aside the first switch. A touch-sensitive input panel overlies the first switch and the display module, and the touch-sensitive input panel includes a first touch-sensitive region proximate the first switch. The electronic mobile device further includes a first key defined by the first switch and the first touch-sensitive region. As such, the first key is actuated by pressing the first touch-sensitive region to displace the first touch-sensitive region and thereby actuate the first switch.
    Type: Application
    Filed: February 4, 2011
    Publication date: August 9, 2012
    Inventors: Paul John Kudrna, Michael Thomas Pope, James Nelson Aldrich, Chin Feng Hsu, Yun Sun Lee, David Anthony Dettling
  • Publication number: 20120075486
    Abstract: A multi-action capacitive switch comprising a capacitive sensing area in a surface, a plunger comprising conductive material, and a structure of flexible conductive material. A change in capacitance caused by the presence of a user's finger travels from the capacitive sensing area, down the conductive material of the plunger, over the structure, and to a capacitive touch detector in contact with the structure. An actuation of the switch, for example by pressing, is detected by an actuation detector. In a handheld electronic device, a user may initiate a phone call using such a multi-action capacitive switch. The method includes displaying a list of phone numbers in response to detection of a user's finger on a predetermined key and calling one of the numbers when the user actuates the predetermined key.
    Type: Application
    Filed: September 28, 2010
    Publication date: March 29, 2012
    Inventors: Yun Sun LEE, Chin Feng HSU
  • Patent number: 8054658
    Abstract: A convertible charge-pump circuit includes: a charging circuit having a plurality of charging capacitors and a pumping circuit having an output port coupled to a pumping capacitor. The charging circuit is configured for charging the charging capacitors to store a plurality of potential differences, respectively, when the convertible charge-pump circuit is in a charging phase. The pumping circuit is configured for selecting at least one charging capacitor from the charging capacitors charged in the charging phase to generate an output voltage level at the output port according to a potential difference stored in the selected charging capacitor when the convertible charge-pump circuit is in a pumping phase.
    Type: Grant
    Filed: October 6, 2008
    Date of Patent: November 8, 2011
    Assignee: Himax Technologies Limited
    Inventors: Ming-Cheng Chiu, Chin-Feng Hsu
  • Patent number: 7969232
    Abstract: A booster and a voltage detection method thereof are provided herein. The booster includes a charge pump circuit and a voltage detection circuit. The charge pump circuit is controlled by a switching signal to generate an actual voltage according to the basis voltage, wherein the actual voltage is a product of the basis voltage multiplied by a first preset multiplier. The voltage detection circuit is coupled to the charge pump circuit. The voltage detection circuit selects one of a plurality of first multipliers to serve as the first preset multiplier according to a comparison result between the basis voltage and a target voltage, and generates the switching signal corresponding to the first preset multiplier. Therefore, the booster can properly select the first preset multiplier to generate the actual voltage as the basis voltage changes.
    Type: Grant
    Filed: August 31, 2009
    Date of Patent: June 28, 2011
    Assignee: Himax Technologies Limited
    Inventors: Yaw-Guang Chang, Chin-Feng Hsu
  • Publication number: 20110050189
    Abstract: A booster and a voltage detection method thereof are provided herein. The booster includes a charge pump circuit and a voltage detection circuit. The charge pump circuit is controlled by a switching signal to generate an actual voltage according to the basis voltage, wherein the actual voltage is a product of the basis voltage multiplied by a first preset multiplier. The voltage detection circuit is coupled to the charge pump circuit. The voltage detection circuit selects one of a plurality of first multipliers to serve as the first preset multiplier according to a comparison result between the basis voltage and a target voltage, and generates the switching signal corresponding to the first preset multiplier. Therefore, the booster can properly select the first preset multiplier to generate the actual voltage as the basis voltage changes.
    Type: Application
    Filed: August 31, 2009
    Publication date: March 3, 2011
    Applicant: HIMAX TECHNOLOGIES LIMITED
    Inventors: YAW-GUANG CHANG, Chin-Feng Hsu
  • Publication number: 20100326744
    Abstract: A touch panel has a panel capacitor, a first capacitor, and a second capacitor. The panel capacitor and the first capacitor are charged and discharged cyclically according to a first phase signal and a second phase signal, such that an input voltage associated with the panel capacitor and the first capacitor is applied to a control circuit. The control circuit charges and discharges a second capacitor based on the input voltage and a reference voltage to compensate the difference between the input voltage and the reference voltage. The capacitance of the panel capacitor could be calculated based on the frequency of charging and discharging the second capacitor.
    Type: Application
    Filed: December 21, 2009
    Publication date: December 30, 2010
    Applicant: HIMAX TECHNOLOGIES LIMITED
    Inventors: Yaw-Guang Chang, Chin-Feng Hsu
  • Publication number: 20100328252
    Abstract: A switched-capacitor tracking apparatus including a variable capacitor, an auxiliary capacitor, and a plurality of switches, and an operating method thereof are provided. In a charge period, a first reference voltage charges a panel capacitor, and a second reference voltage charges the variable capacitor. In a detection period, a control circuit detects a parallel connected voltage of the panel capacitor and the variable capacitor. The control circuit compares a third reference voltage and the parallel connected voltage. According to a comparison result, the control circuit dynamically determines whether to parallel connect the auxiliary capacitor to the variable capacitor. If all the comparison results accumulated in a statistics period are a first logic value, then the control circuit increases a capacitance of the variable capacitor. Moreover, if all the comparison results are a second logic value in the statistics period, then the control circuit decreases the capacitance of the variable capacitor.
    Type: Application
    Filed: December 10, 2009
    Publication date: December 30, 2010
    Applicant: HIMAX TECHNOLOGIES LIMITED
    Inventors: Yaw-Guang Chang, Chin-Feng Hsu
  • Patent number: 7786779
    Abstract: A buffer for a driving circuit includes a first transistor, a second transistor and a slew rate controlling circuit. The first transistor serves to provide a current to an output terminal. The second transistor serves to sink a current from the output terminal. The slew rate controlling circuit serves to control slew rate of at least one of the first transistor and the second transistor according to the input signal. The managing circuit serves to prevent the first transistor and the second transistor from turning on simultaneously.
    Type: Grant
    Filed: January 6, 2009
    Date of Patent: August 31, 2010
    Assignee: Himax Technologies Limited
    Inventors: Yaw-Guang Chang, Chin-Feng Hsu
  • Publication number: 20100171538
    Abstract: A buffer for a driving circuit includes a first transistor, a second transistor and a slew rate controlling circuit. The first transistor serves to provide a current to an output terminal. The second transistor serves to sink a current from the output terminal. The slew rate controlling circuit serves to control slew rate of at least one of the first transistor and the second transistor according to the input signal. The managing circuit serves to prevent the first transistor and the second transistor from turning on simultaneously.
    Type: Application
    Filed: January 6, 2009
    Publication date: July 8, 2010
    Inventors: Yaw-Guang Chang, Chin-Feng Hsu
  • Publication number: 20100134177
    Abstract: A charge pump circuit includes a charging capacitor, a plurality of pumping capacitors, a charging circuit, and a pumping circuit. The charging circuit is configured for charging the charging capacitor when the charge pump circuit is under a charging phase; and the pumping circuit is configured for coupling the charging capacitor charged in the charging phase to a pumping capacitor to generate an output voltage level at the pumping capacitor according to a potential difference stored in the charging capacitor, when the charge pump circuit is under a pumping phase.
    Type: Application
    Filed: December 2, 2008
    Publication date: June 3, 2010
    Inventors: Chin-Feng Hsu, Hsien-Ting Huang