Patents by Inventor Yan-Bin Luo

Yan-Bin Luo 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).

  • Publication number: 20160197598
    Abstract: A driver circuit for receiving a data input and generating an output signal to a termination element according to at least the first data input is provided. The driver circuit includes a first output terminal, a current mode drive unit and a voltage mode drive unit. The current mode drive unit is arranged for selectively outputting a first reference current from the first output terminal to the termination element according to the first data input, and selectively receiving the first reference current through the first output terminal according to the first data input. The voltage mode drive unit is arranged for coupling one of a first reference voltage and a second reference voltage different from the second reference voltage to the first output terminal according to the first data input.
    Type: Application
    Filed: March 14, 2016
    Publication date: July 7, 2016
    Inventors: Chien-Hua Wu, Yan-Bin Luo
  • Publication number: 20160191037
    Abstract: A driver circuit for receiving input data and generating an output signal to a termination element is disclosed, wherein the input data has a first bit and second bit, and the driver circuit includes: a pair of differential output terminals, arranged for outputting the output signal, wherein the pair of differential output terminals has a first output terminal and a second output terminal; a current mode drive unit, coupled to the pair of differential output terminals, for outputting a current from one of the first output terminal and the second output terminal, and receiving the current from the other of the first output terminal and the second output terminal according to the first bit; and a voltage mode drive unit, coupled to the pair of differential output terminals, for providing voltages to the first output terminal and the second output terminal according to at least the second bit.
    Type: Application
    Filed: August 11, 2015
    Publication date: June 30, 2016
    Inventors: Yan-Bin Luo, Chien-Hua Wu, Chung-Shi Lin, Chih-Hsien Lin
  • Patent number: 9379921
    Abstract: A method for performing data sampling control in an electronic device and an associated apparatus are provided, where the method includes the steps of: detecting whether a data pattern of a received signal of a decision feedback equalizer (DFE) receiver in the electronic device matches a predetermined data pattern, to selectively trigger a data sampling time shift configuration of the DFE receiver; and when the data sampling time shift configuration is triggered, utilizing a phase shift clock, rather than a normal clock corresponding to a normal configuration of the DFE receiver, as an edge sampler clock of an edge sampler in the DFE receiver, to lock onto edge timing of the received signal, and controlling the phase shift clock and the normal clock to have different phases, respectively, to shift data sampling time of the DFE receiver, for performing data sampling in the DFE receiver.
    Type: Grant
    Filed: June 16, 2015
    Date of Patent: June 28, 2016
    Assignee: MEDIATEK INC.
    Inventors: Huai-Te Wang, Tsung-Hsin Chou, Chih-Hsien Lin, Bo-Jiun Chen, Yan-Bin Luo
  • Patent number: 9312846
    Abstract: A driver circuit for receiving a data input and generating an output signal according to at least the data input is provided. The driver circuit includes a pair of differential output terminals, a current mode drive unit and a voltage mode drive unit. The pair of differential output terminals has a first output terminal and a second output terminal. The current mode drive unit is arranged for outputting a first reference current from one of the first and second output terminals and receiving the first reference current from the other of the first and the second output terminals according to the first data input. The voltage mode drive unit is arranged for coupling a first reference voltage to one of the first and the second output terminals and coupling a second reference voltage to the other of the first and the second output terminals according to the first data input.
    Type: Grant
    Filed: May 19, 2014
    Date of Patent: April 12, 2016
    Assignee: MEDIATEK INC.
    Inventors: Chien-Hua Wu, Yan-Bin Luo
  • Publication number: 20160099710
    Abstract: A method for performing phase shift control in an electronic device and an associated apparatus are provided, where the method includes: obtaining a set of clock signals corresponding to a set of phases; and controlling a phase shift of an output signal of an oscillator by selectively mixing the set of clock signals into the oscillator according to a set of digital control signals, wherein the phase shift corresponds to the set of digital control signals, and the set of digital control signals carries a set of digital weightings for selectively mixing the set of clock signals. More particularly, the method may include: selectively mixing the set of clock signals into a specific stage of a plurality of stages of the oscillator according to the set of digital control signals.
    Type: Application
    Filed: December 15, 2015
    Publication date: April 7, 2016
    Inventors: Yan-Bin Luo, Bo-Jiun Chen, Ke-Chung Wu
  • Publication number: 20160065397
    Abstract: A method for performing loop unrolled decision feedback equalization (DFE) and an associated apparatus are provided.
    Type: Application
    Filed: June 12, 2015
    Publication date: March 3, 2016
    Inventors: Tsung-Hsin Chou, Chih-Hsien Lin, Huai-Te Wang, Bo-Jiun Chen, Yan-Bin Luo
  • Publication number: 20160056980
    Abstract: A method for performing data sampling control in an electronic device and an associated apparatus are provided, where the method includes the steps of: detecting whether a data pattern of a received signal of a decision feedback equalizer (DFE) receiver in the electronic device matches a predetermined data pattern, to selectively trigger a data sampling time shift configuration of the DFE receiver; and when the data sampling time shift configuration is triggered, utilizing a phase shift clock, rather than a normal clock corresponding to a normal configuration of the DFE receiver, as an edge sampler clock of an edge sampler in the DFE receiver, to lock onto edge timing of the received signal, and controlling the phase shift clock and the normal clock to have different phases, respectively, to shift data sampling time of the DFE receiver, for performing data sampling in the DFE receiver.
    Type: Application
    Filed: June 16, 2015
    Publication date: February 25, 2016
    Inventors: Huai-Te Wang, Tsung-Hsin Chou, Chih-Hsien Lin, Bo-Jiun Chen, Yan-Bin Luo
  • Patent number: 9246480
    Abstract: A method for performing phase shift control in an electronic device and an associated apparatus are provided, where the method includes: obtaining a set of clock signals corresponding to a set of phases, wherein any two phases of the set of phases are different from each other; and controlling a phase shift of an output signal of an oscillator by selectively mixing the set of clock signals into the oscillator according to a set of digital weighting control signals, wherein the phase shift corresponds to the set of digital weighting control signals, and the set of digital weighting control signals carries a set of digital weightings for selectively mixing the set of clock signals. More particularly, the method may include: selectively mixing the set of clock signals into a specific stage of a plurality of stages of the oscillator according to the set of digital weighting control signals.
    Type: Grant
    Filed: June 2, 2014
    Date of Patent: January 26, 2016
    Assignee: MEDIATEK INC.
    Inventors: Yan-Bin Luo, Bo-Jiun Chen, Ke-Chung Wu
  • Publication number: 20150349763
    Abstract: A method for performing phase shift control in an electronic device and an associated apparatus are provided, where the method includes: obtaining a set of clock signals corresponding to a set of phases, wherein any two phases of the set of phases are different from each other; and controlling a phase shift of an output signal of an oscillator by selectively mixing the set of clock signals into the oscillator according to a set of digital weighting control signals, wherein the phase shift corresponds to the set of digital weighting control signals, and the set of digital weighting control signals carries a set of digital weightings for selectively mixing the set of clock signals. More particularly, the method may include: selectively mixing the set of clock signals into a specific stage of a plurality of stages of the oscillator according to the set of digital weighting control signals.
    Type: Application
    Filed: June 2, 2014
    Publication date: December 3, 2015
    Inventors: Yan-Bin Luo, Bo-Jiun Chen, Ke-Chung Wu
  • Patent number: 9183340
    Abstract: An electronic device includes an integrated circuit, a connector, and a circuit board. The integrated circuit includes a first signal processing circuit, a second signal processing circuit, and an interface multiplexer having a first input port electrically connected to the first signal processing circuit, a second input port electrically connected to the second signal processing circuit, and an output port arranged to be electrically connected to the first input port or the second input port. The circuit board carries the integrated circuit and has a plurality of connector placement sites, including at least a first connector placement site each dedicated to the first signal processing circuit and at least a second connector placement site each dedicated to the second signal processing circuit. The connector placement sites and the output port of the interface multiplexer are electrically connected in series. The connector is installed on one of the connector placement sites.
    Type: Grant
    Filed: January 20, 2014
    Date of Patent: November 10, 2015
    Assignee: MEDIATEK INC.
    Inventors: Huai-Yuan Feng, Ching-Gu Pan, Yan-Bin Luo, Hua Wu, Shang-Yi Lin
  • Patent number: 9071478
    Abstract: A method for performing adaptive equalization includes: dynamically detecting current levels of a plurality of sets of pattern levels respectively corresponding to a plurality of data patterns, wherein each set of the sets of pattern levels includes a previous level, a current level, and a next level respectively corresponding to one of the plurality of data patterns; and dynamically calculating a plurality of data decision levels according to the current levels of the sets of pattern levels, for use of data decision, wherein each data decision level of at least one portion of the plurality of data decision levels is not equal to zero, and the data decision levels are dynamically adjusted in accordance with the current levels of the sets of pattern levels, in order to enhance a signal-to-noise ratio (SNR). An associated method for performing adaptive equalization is also provided. Associated apparatus are also provided.
    Type: Grant
    Filed: May 24, 2011
    Date of Patent: June 30, 2015
    Assignee: MEDIATEK INC.
    Inventors: Yan-Bin Luo, Kuan-Hua Chao
  • Publication number: 20150091540
    Abstract: A regulator applied to regulate a first reference voltage on an output terminal, the regulator includes: a sensing circuit, arranged to sense a variation of the first reference voltage on the output terminal to generate a sensing signal; and a gain stage, arranged to provide an adjusting current to the output terminal in response to the sensing signal for reducing the variation of the first reference voltage, and the gain stage is coupled in parallel to a loading circuit powered by the first reference voltage.
    Type: Application
    Filed: October 2, 2013
    Publication date: April 2, 2015
    Applicant: MEDIATEK INC.
    Inventors: Yan-Bin Luo, Chih-Chien Hung
  • Publication number: 20150074346
    Abstract: A memory module, comprising: a first pin, arranged to receive a first signal; a second pin, arranged to receive second signal; a first conducting path, having a first end coupled to the first pin; at least one memory chip, coupled to the first conducting path for receiving the first signal; a predetermined resistor, having a first terminal coupled to a second end of the first conducting path; and a second conducting path, having a first end coupled to second pin for conducting the second to a second terminal of the predetermined resistor; wherein the first signal and the second are synchronous and configured to be a differential signal, for enabling a selected memory chip from the at least one memory chip to be accessed.
    Type: Application
    Filed: July 6, 2014
    Publication date: March 12, 2015
    Inventors: Yan-Bin Luo, Sheng-Ming Chang, Bo-Wei Hsieh, Ming-Shi Liou, Chih-Chien Hung, Shang-Pin Chen
  • Patent number: 8952718
    Abstract: A termination circuit for a plurality of memories controlled by a controller is provided. The termination circuit includes a plurality of drivers, a plurality of resistors and a plurality of capacitors. Each of the drivers is coupled to the memories via a transmission line. Each of the resistors is coupled to the corresponding driver via the corresponding transmission line. Each of the capacitors is coupled between the corresponding resistor and a reference voltage. The controller is coupled to the memories via the drivers, and the controller provides a specific code to one of the drivers when a quantity of logic “0” and a quantity of logic “1” transmitted to the memories via the transmission line corresponding to the one of the drivers are unbalanced, so as to adjust a termination voltage of the capacitor corresponding to the one of the drivers.
    Type: Grant
    Filed: August 10, 2012
    Date of Patent: February 10, 2015
    Assignee: Mediatek Inc.
    Inventors: Yan-Bin Luo, Sheng-Ming Chang, Bo-Wei Hsieh, Ming-Shi Liou, Chih-Chien Hung, Shang-Ping Chen
  • Publication number: 20150022243
    Abstract: A driver circuit for receiving a data input and generating an output signal according to at least the data input is provided. The driver circuit includes a pair of differential output terminals, a current mode drive unit and a voltage mode drive unit. The pair of differential output terminals has a first output terminal and a second output terminal. The current mode drive unit is arranged for outputting a first reference current from one of the first and second output terminals and receiving the first reference current from the other of the first and the second output terminals according to the first data input. The voltage mode drive unit is arranged for coupling a first reference voltage to one of the first and the second output terminals and coupling a second reference voltage to the other of the first and the second output terminals according to the first data input.
    Type: Application
    Filed: May 19, 2014
    Publication date: January 22, 2015
    Applicant: MEDIATEK INC.
    Inventors: Chien-Hua Wu, Yan-Bin Luo
  • Patent number: 8848462
    Abstract: A memory controller is provided. The memory controller is powered by first and second power source and includes an input/output pin, a driver circuit, a terminal resistor, and an input buffer. The driver circuit is coupled to the input/output pin and capable of providing to a writing signal to the input/output pin. The terminal resistor is coupled between the input/output pin and the first power source. The input buffer is coupled to the input/output pin and capable of receiving a reading signal from the input/output pin. No terminal resistor is coupled between the input/output pin and the second power source.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: September 30, 2014
    Assignee: Mediatek Inc.
    Inventors: Yan-Bin Luo, Chih-Chien Hung, Qui-Ting Chen, Shang-Ping Chen
  • Publication number: 20140137065
    Abstract: An electronic device includes an integrated circuit, a connector, and a circuit board. The integrated circuit includes a first signal processing circuit, a second signal processing circuit, and an interface multiplexer having a first input port electrically connected to the first signal processing circuit, a second input port electrically connected to the second signal processing circuit, and an output port arranged to be electrically connected to the first input port or the second input port. The circuit board carries the integrated circuit and has a plurality of connector placement sites, including at least a first connector placement site each dedicated to the first signal processing circuit and at least a second connector placement site each dedicated to the second signal processing circuit. The connector placement sites and the output port of the interface multiplexer are electrically connected in series. The connector is installed on one of the connector placement sites.
    Type: Application
    Filed: January 20, 2014
    Publication date: May 15, 2014
    Applicant: MEDIATEK INC.
    Inventors: Huai-Yuan Feng, Ching-Gu Pan, Yan-Bin Luo, Hua Wu, Shang-Yi Lin
  • Patent number: 8665606
    Abstract: An electronic device includes an integrated circuit, a connector, and a circuit board. The integrated circuit includes a first signal processing circuit, a second signal processing circuit, and an interface multiplexer having a first input port electrically connected to the first signal processing circuit, a second input port electrically connected to the second signal processing circuit, and an output port arranged to be electrically connected to the first input port or the second input port. The circuit board carries the integrated circuit and has a plurality of connector placement sites, including at least a first connector placement site each dedicated to the first signal processing circuit and at least a second connector placement site each dedicated to the second signal processing circuit. The connector placement sites and the output port of the interface multiplexer are electrically connected in series. The connector is installed on one of the connector placement sites.
    Type: Grant
    Filed: March 7, 2011
    Date of Patent: March 4, 2014
    Assignee: Mediatek Inc.
    Inventors: Huai-Yuan Feng, Ching-Gu Pan, Yan-Bin Luo, Hua Wu, Shang-Yi Lin
  • Publication number: 20130113516
    Abstract: A termination circuit for a plurality of memories controlled by a controller is provided. The termination circuit includes a plurality of drivers, a plurality of resistors and a plurality of capacitors. Each of the drivers is coupled to the memories via a transmission line. Each of the resistors is coupled to the corresponding driver via the corresponding transmission line. Each of the capacitors is coupled between the corresponding resistor and a reference voltage. The controller is coupled to the memories via the drivers, and the controller provides a specific code to one of the drivers when a quantity of logic “0” and a quantity of logic “1” transmitted to the memories via the transmission line corresponding to the one of the drivers are unbalanced, so as to adjust a termination voltage of the capacitor corresponding to the one of the drivers.
    Type: Application
    Filed: August 10, 2012
    Publication date: May 9, 2013
    Applicant: MEDIATEK INC.
    Inventors: Yan-Bin LUO, Sheng-Ming CHANG, Bo-Wei HSIEH, Ming-Shi LIOU, Chih-Chien HUNG, Shang-Ping CHEN
  • Publication number: 20130088929
    Abstract: A memory controller is provided. The memory controller is powered by first and second power source and includes an input/output pin, a driver circuit, a terminal resistor, and an input buffer. The driver circuit is coupled to the input/output pin and capable of providing to a writing signal to the input/output pin. The terminal resistor is coupled between the input/output pin and the first power source. The input buffer is coupled to the input/output pin and capable of receiving a reading signal from the input/output pin. No terminal resistor is coupled between the input/output pin and the second power source.
    Type: Application
    Filed: September 14, 2012
    Publication date: April 11, 2013
    Applicant: MEDIATEK INC.
    Inventors: Yan-Bin LUO, Chih-Chien HUNG, Qui-Ting CHEN, Shang-Ping CHEN