Patents by Inventor Hao-Ping Hong

Hao-Ping Hong 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: 10211646
    Abstract: A resonator circuit includes: a first inductive element and a second inductive element that is connected to the first inductive element in series; a first capacitive element, connected to a first end of the first inductive element and a first output end of the resonator circuit; and a set of second capacitive elements connected in series, the set of second capacitive elements having one end connected between the first and second inductive elements and having another end connected between the second inductive element and a second output end of the resonator circuit. The intermediate end of the set of second capacitive elements is used as a third output end of the resonator circuit.
    Type: Grant
    Filed: February 5, 2018
    Date of Patent: February 19, 2019
    Assignee: MediaTek Inc.
    Inventors: Hung-Chih Lin, Yen-Hsun Hsu, Hao-Ping Hong
  • Publication number: 20180159340
    Abstract: A resonator circuit includes: a first inductive element and a second inductive element that is connected to the first inductive element in series; a first capacitive element, connected to a first end of the first inductive element and a first output end of the resonator circuit; and a set of second capacitive elements connected in series, the set of second capacitive elements having one end connected between the first and second inductive elements and having another end connected between the second inductive element and a second output end of the resonator circuit. The intermediate end of the set of second capacitive elements is used as a third output end of the resonator circuit.
    Type: Application
    Filed: February 5, 2018
    Publication date: June 7, 2018
    Applicant: MediaTek Inc.
    Inventors: Hung-Chih Lin, Yen-Hsun Hsu, Hao-Ping Hong
  • Patent number: 9923384
    Abstract: A method for performing efficiency optimization of an electronic device and an associated apparatus are provided, where the method includes the steps of: performing at least one detection operation according to at least one signal of the electronic device to generate at least one detection result; and selecting a rectifier size of a plurality of rectifier sizes of a configurable rectifier within the electronic device according to the at least one detection result, to control the configurable rectifier to operate with the rectifier size, wherein the configurable rectifier is arranged for performing rectification operations, and the configurable rectifier is configurable to operate with at least one portion of the configurable rectifier being activated.
    Type: Grant
    Filed: May 18, 2015
    Date of Patent: March 20, 2018
    Assignee: MediaTek Inc.
    Inventors: Hung-Chih Lin, Hao-Ping Hong
  • Patent number: 9923387
    Abstract: A resonator circuit includes: a first inductive element and a second inductive element that is connected to the first inductive element in series; a first capacitive element, connected to a first end of the first inductive element and a first output end of the resonator circuit; and a set of second capacitive elements connected in series, the set of second capacitive elements having one end connected between the first and second inductive elements and having another end connected between the second inductive element and a second output end of the resonator circuit. The intermediate end of the set of second capacitive elements is used as a third output end of the resonator circuit.
    Type: Grant
    Filed: August 10, 2015
    Date of Patent: March 20, 2018
    Assignee: MediaTek Inc.
    Inventors: Hung-Chih Lin, Yen-Hsun Hsu, Hao-Ping Hong
  • Patent number: 9831780
    Abstract: A buck-boost converter includes an inductor, a first switch, a second switch, a third switch, a fourth switch and a fifth switch, wherein the first switch is coupled between an input voltage and a first terminal of the inductor, the second switch is coupled between a reference voltage and the first terminal of the inductor, the third switch is coupled between an output voltage and a second terminal of the inductor, the fourth switch is coupled between the reference voltage and the second terminal of the inductor, and the fifth switch is connected in parallel with the third switch. When the buck-boost converter operates in a buck mode, the first switch and the second switch are turned on alternately; when the buck-boost converter operates in a boost mode, the third switch and the fourth switch are turned on alternately; and the fifth switch is controlled by a mode control signal.
    Type: Grant
    Filed: July 13, 2016
    Date of Patent: November 28, 2017
    Assignee: MEDIATEK INC.
    Inventors: Hao-Ping Hong, Shih-Mei Lin
  • Publication number: 20170040898
    Abstract: A buck-boost converter includes an inductor, a first switch, a second switch, a third switch, a fourth switch and a fifth switch, wherein the first switch is coupled between an input voltage and a first terminal of the inductor, the second switch is coupled between a reference voltage and the first terminal of the inductor, the third switch is coupled between an output voltage and a second terminal of the inductor, the fourth switch is coupled between the reference voltage and the second terminal of the inductor, and the fifth switch is connected in parallel with the third switch. When the buck-boost converter operates in a buck mode, the first switch and the second switch are turned on alternately; when the buck-boost converter operates in a boost mode, the third switch and the fourth switch are turned on alternately; and the fifth switch is controlled by a mode control signal.
    Type: Application
    Filed: July 13, 2016
    Publication date: February 9, 2017
    Inventors: Hao-Ping Hong, Shih-Mei Lin
  • Patent number: 9559583
    Abstract: A power converter includes a wave generator, a low pass filter, a first control circuit, and a second control circuit. The wave generator receives an input voltage, and converts the input signal into a wave signal according to a first control signal and a second control signal. The low pass filter filters the wave signal to generate an output voltage. The first control circuit generates the first control signal according to the wave signal and the output voltage. The second control circuit generates the second control signal according to the wave signal and the output voltage.
    Type: Grant
    Filed: January 13, 2014
    Date of Patent: January 31, 2017
    Assignee: MEDIATEK INC.
    Inventors: Hung-chih Lin, Hung-I Wang, Hao-Ping Hong, Chien-Wei Kuan, Yung-Chih Yen
  • Patent number: 9525294
    Abstract: A universal serial bus device includes: a core circuit having a first pin and a second pin, and having an input impedance looking into the core circuit from the first pin and the second pin; and a charging control circuit, coupled to the core circuit, arranged for selectively providing a voltage source to one of the first pin and the second pin; wherein the input impedance of the core circuit is configured to make the voltage source substantially intact when the voltage source is coupled to one of the first pin and the second pin.
    Type: Grant
    Filed: April 18, 2016
    Date of Patent: December 20, 2016
    Assignee: MEDIATEK INC.
    Inventors: Hao-Ping Hong, Shang-Pin Chen, Ding-Shiuan Shen
  • Patent number: 9473089
    Abstract: A hybrid power module for supplying a power to a power amplifier is provided. The hybrid power module includes a DC-DC converter and a linear regulator. The DC-DC converter provides a first current to the power amplifier via a first inductor according to an operating frequency and an envelope tracking signal. The linear regulator provides a second current to the power amplifier via a first capacitor according to the envelope tracking signal. A switch-mode power supply (SMPS) ripple voltage caused by the DC-DC converter is reduced by the linear regulator.
    Type: Grant
    Filed: May 8, 2014
    Date of Patent: October 18, 2016
    Assignee: MEDIATEK INC.
    Inventors: Hao-Ping Hong, Hung-I Wang, Chun-Yen Tseng, Yen-Hsun Hsu
  • Publication number: 20160233710
    Abstract: A universal serial bus device includes: a core circuit having a first pin and a second pin, and having an input impedance looking into the core circuit from the first pin and the second pin; and a charging control circuit, coupled to the core circuit, arranged for selectively providing a voltage source to one of the first pin and the second pin; wherein the input impedance of the core circuit is configured to make the voltage source substantially intact when the voltage source is coupled to one of the first pin and the second pin.
    Type: Application
    Filed: April 18, 2016
    Publication date: August 11, 2016
    Inventors: Hao-Ping Hong, Shang-Pin Chen, Ding-Shiuan Shen
  • Publication number: 20160204619
    Abstract: A resonator circuit includes: a first inductive element and a second inductive element that is connected to the first inductive element in series; a first capacitive element, connected to a first end of the first inductive element and a first output end of the resonator circuit; and a set of second capacitive elements connected in series, the set of second capacitive elements having one end connected between the first and second capacitive elements and having another end connected between the second capacitive element and a second output end of the resonator circuit. The intermediate end of the set of second capacitive elements is used as a third output end of the resonator circuit.
    Type: Application
    Filed: August 10, 2015
    Publication date: July 14, 2016
    Inventors: Hung-Chih Lin, Yen-Hsun Hsu, Hao-Ping Hong
  • Patent number: 9336170
    Abstract: A universal serial bus device includes: a core circuit having a first pin and a second pin, and having an input impedance looking into the core circuit from the first pin and the second pin; and a charging control circuit, coupled to the core circuit, arranged for providing a voltage source having a predetermined voltage to one of the first pin and the second pin and for providing a current source having a predetermined current to the other of the first pin and the second pin; wherein the input impedance of the core circuit is configured to make the predetermined voltage and the predetermined current substantially intact when an external charger charges a battery device of the universal serial bus device.
    Type: Grant
    Filed: February 22, 2011
    Date of Patent: May 10, 2016
    Assignee: MEDIATEK INC.
    Inventors: Hao-Ping Hong, Shang-Ping Chen, Ding-Shiuan Shen
  • Patent number: 9288098
    Abstract: A communication unit has an envelope tracking system operably coupled to a power amplifier, PA, module. The envelope tracking system has at least one slew rate module arranged to re-distribute a slew rate across a number of input samples according to a maximum slew rate of the number of input samples; and a supply modulator arranged to variably control a supply voltage for the PA module in response to an output of the at least one slew rate module.
    Type: Grant
    Filed: February 3, 2015
    Date of Patent: March 15, 2016
    Assignee: MediaTek, Inc.
    Inventors: Sheng-Hong Yan, Hao-Ping Hong
  • Publication number: 20150340877
    Abstract: A method for performing efficiency optimization of an electronic device and an associated apparatus are provided, where the method includes the steps of: performing at least one detection operation according to at least one signal of the electronic device to generate at least one detection result; and selecting a rectifier size of a plurality of rectifier sizes of a configurable rectifier within the electronic device according to the at least one detection result, to control the configurable rectifier to operate with the rectifier size, wherein the configurable rectifier is arranged for performing rectification operations, and the configurable rectifier is configurable to operate with at least one portion of the configurable rectifier being activated.
    Type: Application
    Filed: May 18, 2015
    Publication date: November 26, 2015
    Inventors: Hung-Chih Lin, Hao-Ping Hong
  • Publication number: 20150326186
    Abstract: A hybrid power module for supplying a power to a power amplifier is provided. The hybrid power module includes a DC-DC converter and a linear regulator. The DC-DC converter provides a first current to the power amplifier via a first inductor according to an operating frequency and an envelope tracking signal. The linear regulator provides a second current to the power amplifier via a first capacitor according to the envelope tracking signal. A switch-mode power supply (SMPS) ripple voltage caused by the DC-DC converter is reduced by the linear regulator.
    Type: Application
    Filed: May 8, 2014
    Publication date: November 12, 2015
    Applicant: MediaTek Inc.
    Inventors: Hao-Ping HONG, Hung-I WANG, Chun-Yen TSENG, Yen-Hsun HSU
  • Patent number: 9166538
    Abstract: An integrated circuit is described for providing a power supply to a radio frequency (RF) power amplifier (PA). The integrated circuit comprises a low-frequency power supply path comprising a switching regulator and a high-frequency power supply path arranged to regulate an output voltage of a combined power supply at an output port of the integrated circuit for coupling to a load. The combined power supply is provided by the low-frequency power supply path and high-frequency power supply path. The high-frequency power supply path comprises: an amplifier comprising a voltage feedback and arranged to drive a power supply signal on the high-frequency power supply path; and a high-frequency-path supply module arranged to provide a high frequency supply to drive the amplifier, where the high-frequency-path supply module comprises a pulse-width modulator operably coupled to the high frequency supply via a filter and arranged to provide a filtered pulse-width modulated signal to the high frequency supply.
    Type: Grant
    Filed: June 26, 2014
    Date of Patent: October 20, 2015
    Assignee: MediaTek Singapore Pte. Ltd.
    Inventors: Hao-Ping Hong, Patrick Stanley Riehl
  • Publication number: 20150200608
    Abstract: A power converter includes a wave generator, a low pass filter, a first control circuit, and a second control circuit. The wave generator receives an input voltage, and converts the input signal into a wave signal according to a first control signal and a second control signal. The low pass filter filters the wave signal to generate an output voltage. The first control circuit generates the first control signal according to the wave signal and the output voltage. The second control circuit generates the second control signal according to the wave signal and the output voltage.
    Type: Application
    Filed: January 13, 2014
    Publication date: July 16, 2015
    Applicant: Media Tek Inc.
    Inventors: Hung-chih LIN, Hung-I WANG, Hao-Ping HONG, Chien-Wei KUAN, Yung-Chih YEN
  • Publication number: 20150195118
    Abstract: A communication unit has an envelope tracking system operably coupled to a power amplifier, PA, module. The envelope tracking system has at least one slew rate module arranged to re-distribute a slew rate across a number of input samples according to a maximum slew rate of the number of input samples; and a supply modulator arranged to variably control a supply voltage for the PA module in response to an output of the at least one slew rate module.
    Type: Application
    Filed: February 3, 2015
    Publication date: July 9, 2015
    Inventors: Sheng-Hong Yan, Hao-Ping Hong
  • Publication number: 20150194988
    Abstract: A communication unit includes a radio frequency, RF, transmitter having: a power amplifier, PA, module; and an envelope tracking system operably coupled to the PA module and having a supply modulator arranged to variably control a supply voltage for the PA module in response to a number of input samples of an envelope signal; wherein the envelope tracking system further includes at least one slew rate module arranged to re-distribute a maximum slew rate across the number of input samples in a provision of a variable power supply to the PA module.
    Type: Application
    Filed: January 9, 2014
    Publication date: July 9, 2015
    Applicant: MEDIATEK INC.
    Inventors: Sheng-Hong Yan, Hao-Ping Hong
  • Patent number: 9065509
    Abstract: A communication unit includes a radio frequency, RF, transmitter having: a power amplifier, PA, module; and an envelope tracking system operably coupled to the PA module and having a supply modulator arranged to variably control a supply voltage for the PA module in response to a number of input samples of an envelope signal; wherein the envelope tracking system further includes at least one slew rate module arranged to re-distribute a maximum slew rate across the number of input samples in a provision of a variable power supply to the PA module.
    Type: Grant
    Filed: January 9, 2014
    Date of Patent: June 23, 2015
    Assignee: MEDIATEK INC.
    Inventors: Sheng-Hong Yan, Hao-Ping Hong