Patents by Inventor Huai-Te Wang

Huai-Te Wang 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: 11936388
    Abstract: A clock and data recovery circuit includes a sampling circuit, a phase detector, a first processing circuit, a second processing circuit and an oscillator circuit. The sampling circuit is configured to sample input data according to an output clock, and generate a sampling result. The phase detector is configured to generate a detection result according to the sampling result. The first processing circuit is configured to process the sampling result to generate a first digital code. The second processing circuit is configured to accumulate a portion of the first digital code to generate a second digital code. A rate of change of a code value of the second digital code is slower than a rate of change of a code value of the first digital code. The oscillator circuit is configured to generate the output clock according to the detection result, the first digital code and the second digital code.
    Type: Grant
    Filed: December 27, 2022
    Date of Patent: March 19, 2024
    Assignee: M31 TECHNOLOGY CORPORATION
    Inventors: Guo-Hau Lee, Huai-Te Wang, Cheng-Liang Hung
  • Publication number: 20230132901
    Abstract: A clock and data recovery circuit includes a sampling circuit, a phase detector, a first processing circuit, a second processing circuit and an oscillator circuit. The sampling circuit is configured to sample input data according to an output clock, and generate a sampling result. The phase detector is configured to generate a detection result according to the sampling result. The first processing circuit is configured to process the sampling result to generate a first digital code. The second processing circuit is configured to accumulate a portion of the first digital code to generate a second digital code. A rate of change of a code value of the second digital code is slower than a rate of change of a code value of the first digital code. The oscillator circuit is configured to generate the output clock according to the detection result, the first digital code and the second digital code.
    Type: Application
    Filed: December 27, 2022
    Publication date: May 4, 2023
    Inventors: GUO-HAU LEE, HUAI-TE WANG, CHENG-LIANG HUNG
  • Patent number: 11569822
    Abstract: A clock and data recovery circuit includes a sampling circuit, a phase detector, a first processing circuit, a second processing circuit and an oscillator circuit. The sampling circuit is configured to sample input data according to an output clock, and generate a sampling result. The phase detector is configured to generate a detection result according to the sampling result. The first processing circuit is configured to process the sampling result to generate a first digital code. The second processing circuit is configured to accumulate a portion of the first digital code to generate a second digital code. A rate of change of a code value of the second digital code is slower than a rate of change of a code value of the first digital code. The oscillator circuit is configured to generate the output clock according to the detection result, the first digital code and the second digital code.
    Type: Grant
    Filed: June 23, 2021
    Date of Patent: January 31, 2023
    Assignee: M31 TECHNOLOGY CORPORATION
    Inventors: Guo-Hau Lee, Huai-Te Wang, Cheng-Liang Hung
  • Publication number: 20210399732
    Abstract: A clock and data recovery circuit includes a sampling circuit, a phase detector, a first processing circuit, a second processing circuit and an oscillator circuit. The sampling circuit is configured to sample input data according to an output clock, and generate a sampling result. The phase detector is configured to generate a detection result according to the sampling result. The first processing circuit is configured to process the sampling result to generate a first digital code. The second processing circuit is configured to accumulate a portion of the first digital code to generate a second digital code. A rate of change of a code value of the second digital code is slower than a rate of change of a code value of the first digital code. The oscillator circuit is configured to generate the output clock according to the detection result, the first digital code and the second digital code.
    Type: Application
    Filed: June 23, 2021
    Publication date: December 23, 2021
    Inventors: GUO-HAU LEE, HUAI-TE WANG, CHENG-LIANG HUNG
  • Patent number: 10574431
    Abstract: A physical layer circuitry (PHY) includes: N signal pads, a four-signal physical medium attachment sublayer (PMA) and M shielding pads. The N signal pads include at least four signal pads. The four-signal PMA is coupled to the four signal pads. The M shielding pads include at least one first shielding pad that is coupled to the four-signal PMA. Additionally, the first shielding pin is located between a second signal pad of the four signal pads and a third signal pad of the four signal pads; and M and N are positive integers.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: February 25, 2020
    Assignee: M31 Technology Corporation
    Inventors: Ching-Hsiang Chang, Yuan-Hsun Chang, Yueh-Chuan Lu, Huai-Te Wang
  • Patent number: 10333505
    Abstract: A circuit in a physical unit (PHY) is disclosed, the circuit comprising two trios and a combo wire therebetween, wherein each of said trios includes three wires, and wherein said combo wire is configurable as a signal, floating, or any dc voltage, furthermore, a Quad-IO block is designed for transmit data in two D-PHY lanes with the combo wire configured as a signal wire or a C-PHY trio with the combo wire configured as a shielding wire, such that the same Quad-IO block can be instantiated multiple times in a physical unit for meeting different bandwidth requirements as well as for placing pads along a same direction for preventing performance difference between D-PHY lanes or C-PHY trios.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: June 25, 2019
    Assignee: M31 Technology Corporation
    Inventors: Huai-Te Wang, Chih Chien Hung
  • Publication number: 20190165925
    Abstract: A physical layer circuitry (PHY) includes: N signal pads, a four-signal physical medium attachment sublayer (PMA) and M shielding pads. The N signal pads include at least four signal pads. The four-signal PMA is coupled to the four signal pads. The M shielding pads include at least one first shielding pad that is coupled to the four-signal PMA. Additionally, the first shielding pin is located between a second signal pad of the four signal pads and a third signal pad of the four signal pads; and M and N are positive integers.
    Type: Application
    Filed: January 30, 2019
    Publication date: May 30, 2019
    Inventors: Ching-Hsiang Chang, Yuan-Hsun Chang, Yueh-Chuan Lu, Huai-Te Wang
  • Patent number: 10263762
    Abstract: The present invention provides pad arrangements, termination circuits, clock/data recovery circuits, and deserialization architecture for a physical layer circuitry including a four-signal or six-signal physical medium attachment sublayer (PMA).
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: April 16, 2019
    Assignee: M31 Technology Corporation
    Inventors: Ching-Hsiang Chang, Yuan-Hsun Chang, Yueh-Chuan Lu, Huai-Te Wang
  • Publication number: 20180323952
    Abstract: The present invention provides pad arrangements, termination circuits, clock/data recovery circuits, and deserialization architecture for a physical layer circuitry including a four-signal or six-signal physical medium attachment sublayer (PMA).
    Type: Application
    Filed: July 19, 2018
    Publication date: November 8, 2018
    Inventors: Ching-Hsiang Chang, Yuan-Hsun Chang, Yueh-Chuan Lu, Huai-Te Wang
  • Publication number: 20180241382
    Abstract: A circuit in a physical unit (PHY) is disclosed, the circuit comprising two trios and a combo wire therebetween, wherein each of said trios includes three wires, and wherein said combo wire is configurable as a signal, floating, or any dc voltage, furthermore, a Quad-IO block is designed for transmit data in two D-PHY lanes with the combo wire configured as a signal wire or a C-PHY trio with the combo wire configured as a shielding wire, such that the same Quad-IO block can be instantiated multiple times in a physical unit for meeting different bandwidth requirements as well as for placing pads along a same direction for preventing performance difference between D-PHY lanes or C-PHY trios.
    Type: Application
    Filed: June 8, 2017
    Publication date: August 23, 2018
    Inventors: Huai-Te Wang, Chih Chien Hung
  • Patent number: 9800219
    Abstract: An apparatus for performing capacitor amplification in an electronic device may include a first resistor and a second resistor that are connected in series and coupled between a set of input terminals of a receiver in the electronic device, a common mode capacitor having a first terminal coupled to a common mode terminal and having a second terminal, and an alternating current (AC)-coupled amplifier that is coupled between the common mode terminal and the second terminal of the common mode capacitor. The first resistor and the second resistor may be arranged for obtaining a common mode voltage at the common mode terminal between the first resistor and the second resistor. In addition, the common mode capacitor may be arranged for reducing a common mode return loss. Additionally, the AC-coupled amplifier may be arranged for performing capacitor amplification for the common mode capacitor.
    Type: Grant
    Filed: May 5, 2016
    Date of Patent: October 24, 2017
    Assignee: MEDIATEK INC.
    Inventor: Huai-Te Wang
  • Publication number: 20170085234
    Abstract: An apparatus for performing capacitor amplification in an electronic device may include a first resistor and a second resistor that are connected in series and coupled between a set of input terminals of a receiver in the electronic device, a common mode capacitor having a first terminal coupled to a common mode terminal and having a second terminal, and an alternating current (AC)-coupled amplifier that is coupled between the common mode terminal and the second terminal of the common mode capacitor. The first resistor and the second resistor may be arranged for obtaining a common mode voltage at the common mode terminal between the first resistor and the second resistor. In addition, the common mode capacitor may be arranged for reducing a common mode return loss. Additionally, the AC-coupled amplifier may be arranged for performing capacitor amplification for the common mode capacitor.
    Type: Application
    Filed: May 5, 2016
    Publication date: March 23, 2017
    Inventor: Huai-Te Wang
  • Patent number: 9479365
    Abstract: A method for performing loop unrolled decision feedback equalization (DFE) and an associated apparatus are provided.
    Type: Grant
    Filed: June 12, 2015
    Date of Patent: October 25, 2016
    Assignee: MEDIATEK INC.
    Inventors: Tsung-Hsin Chou, Chih-Hsien Lin, Huai-Te Wang, Bo-Jiun Chen, Yan-Bin Luo
  • 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
  • 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: 8912819
    Abstract: A termination circuit is provided. The termination circuit includes a first receiving terminal, a second receiving terminal, a first resistive device, a second resistive device, a third resistive device, a fourth resistive device and a first switch. The first receiving terminal receives a first data signal. The second receiving terminal receives a second data signal. The first resistive device is coupled between a supply voltage and the first receiving terminal. The second resistive device is coupled between the supply voltage and the second receiving terminal. The third resistive device is coupled between the first receiving terminal and a first node. The fourth resistive device is coupled between the second receiving terminal and the first node. The first switch is coupled between the supply voltage and the first node.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: December 16, 2014
    Assignee: MediaTek Inc.
    Inventors: Qui-Ting Chen, Huai-Te Wang
  • Publication number: 20140266298
    Abstract: A termination circuit is provided. The termination circuit includes a first receiving terminal, a second receiving terminal, a first resistive device, a second resistive device, a third resistive device, a fourth resistive device and a first switch. The first receiving terminal receives a first data signal. The second receiving terminal receives a second data signal. The first resistive device is coupled between a supply voltage and the first receiving terminal. The second resistive device is coupled between the supply voltage and the second receiving terminal. The third resistive device is coupled between the first receiving terminal and a first node. The fourth resistive device is coupled between the second receiving terminal and the first node. The first switch is coupled between the supply voltage and the first node.
    Type: Application
    Filed: March 18, 2013
    Publication date: September 18, 2014
    Applicant: MEDIATEK INC.
    Inventors: Qui-Ting CHEN, Huai-Te WANG
  • Patent number: 7477159
    Abstract: A connection unit utilized in detecting an electronic device, comprising a first detection board, a second detection board and a connection board. The first detection board comprises a first contact area. The second detection board comprises a second contact area. The connection board is electrically connected to the electronic device, and comprises a first signal contact area and a second signal contact area, wherein the connection board is selectively connected to the first detection board and the second detection board. When the connection board connects the first detection board, the first signal contact area is electrically connected to the first contact area. When the connection board connects the second detection board, the second signal contact area is electrically connected to the second contact area.
    Type: Grant
    Filed: September 13, 2006
    Date of Patent: January 13, 2009
    Assignee: Hannspree Inc.
    Inventors: Huai-Te Wang, Ching-Cheng Lin, Yu-Hung Sun, Makoto Huang
  • Publication number: 20070287303
    Abstract: A connection unit utilized in detecting an electronic device, comprising a first detection board, a second detection board and a connection board. The first detection board comprises a first contact area. The second detection board comprises a second contact area. The connection board is electrically connected to the electronic device, and comprises a first signal contact area and a second signal contact area, wherein the connection board is selectively connected to the first detection board and the second detection board. When the connection board connects the first detection board, the first signal contact area is electrically connected to the first contact area. When the connection board connects the second detection board, the second signal contact area is electrically connected to the second contact area.
    Type: Application
    Filed: September 13, 2006
    Publication date: December 13, 2007
    Applicant: HANNSPREE INC.
    Inventors: Huai-Te Wang, Ching-Cheng Lin, Yu-Hung Sun, Makoto Huang