Patents by Inventor Chih-Chien Hung

Chih-Chien Hung 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: 20230167570
    Abstract: An additive compound for dyeing an aluminum or aluminum alloy substrate after anodic oxidation to provide better uniformity in dyeing and hence a better finished appearance includes a main agent, an auxiliary agent, a pH stabilizer, and an antibacterial agent. The antibacterial agent includes at least one of sorbic acid, fluconazole, itraconazole, Artemisia argyi, benzyl alcohol, benzoic acid, salicylic acid, and boric acid. An additive solution and a dyeing method are also provided, the use of the compound also allows for a more rapid dyeing process.
    Type: Application
    Filed: June 2, 2022
    Publication date: June 1, 2023
    Inventors: CHIH-CHIEN HUNG, XIAO-GANG PENG, JIAN-BIN WANG, XING-LIANG ZHANG, CHAO ZHANG, FENG LIU, PENG LAN
  • 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
  • Patent number: 10083728
    Abstract: A memory module, comprising: a first pin, arranged to receive a first signal; a second pin, arranged to receive a 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: Grant
    Filed: July 6, 2014
    Date of Patent: September 25, 2018
    Assignee: MediaTek Inc.
    Inventors: Yan-Bin Luo, Sheng-Ming Chang, Bo-Wei Hsieh, Ming-Shi Liou, Chih-Chien Hung, Shang-Pin Chen
  • 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: 9833527
    Abstract: Disclosed is an escalator sterilization device attached close to a handrail of an escalator and formed by a base and a sterilization module. The sterilization module has a cover in an arc shape, so that the cover can be attached closed to a surface of a handrail of the escalator, and the inner wall of the cover has plural electrode coils electrically coupled to a power supply device in the base. After the power supply device is conducted by an electric power, a high voltage power is generated to excite the electrode coils to form plasma, and the plasma is used to destroy polymorphic bacteria and microorganisms, so that the sterilization module can eliminate the bacteria on the surface of the handrail of the escalator and provide a deodorant effect.
    Type: Grant
    Filed: December 19, 2016
    Date of Patent: December 5, 2017
    Assignee: LUNGHWA UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Kuen Ting, Yi-Chuan Shih, Chih-Chien Hung, Hong-Ming Li, You-Hao Jin, Tien-Yu Wang, Jin Yih Kao
  • Patent number: 9665114
    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: Grant
    Filed: October 2, 2013
    Date of Patent: May 30, 2017
    Assignee: MEDIATEK INC.
    Inventors: Yan-Bin Luo, Chih-Chien Hung
  • Patent number: 9525543
    Abstract: A clock and data recovery circuit includes a sampler, a skew compensation block, a pulse generator, and an injection locked oscillator. The injection locked oscillator generates a recovered clock signal, the pulse generator generates a pulse signal according to input data for controlling the injection locked oscillator, the skew compensation block compensates the input data and generate compensated data, and the sampler samples the compensated data according to the recovered clock signal.
    Type: Grant
    Filed: July 24, 2016
    Date of Patent: December 20, 2016
    Assignee: MEDIATEK INC.
    Inventors: Shiue-Shin Liu, Chih-Chien Hung, Shao-Hung Lin
  • Publication number: 20160337117
    Abstract: A clock and data recovery circuit includes a sampler, a skew compensation block, a pulse generator, and an injection locked oscillator. The injection locked oscillator generates a recovered clock signal, the pulse generator generates a pulse signal according to input data for controlling the injection locked oscillator, the skew compensation block compensates the input data and generate compensated data, and the sampler samples the compensated data according to the recovered clock signal.
    Type: Application
    Filed: July 24, 2016
    Publication date: November 17, 2016
    Inventors: Shiue-Shin Liu, Chih-Chien Hung, Shao-Hung Lin
  • Patent number: 9432178
    Abstract: A clock and data recovery circuit includes a sampler, a skew compensation block, a pulse generator, and an injection locked oscillator. The injection locked oscillator generates a recovered clock signal, the pulse generator generates a pulse signal according to input data for controlling the injection locked oscillator, the skew compensation block compensates the input data and generate compensated data, and the sampler samples the compensated data according to the recovered clock signal.
    Type: Grant
    Filed: March 16, 2015
    Date of Patent: August 30, 2016
    Assignee: MEDIATEK INC.
    Inventors: Shiue-Shin Liu, Chih-Chien Hung, Shao-Hung Lin
  • Publication number: 20150270943
    Abstract: A clock and data recovery circuit includes a sampler, a skew compensation block, a pulse generator, and an injection locked oscillator. The injection locked oscillator generates a recovered clock signal, the pulse generator generates a pulse signal according to input data for controlling the injection locked oscillator, the skew compensation block compensates the input data and generate compensated data, and the sampler samples the compensated data according to the recovered clock signal.
    Type: Application
    Filed: March 16, 2015
    Publication date: September 24, 2015
    Inventors: Shiue-Shin Liu, Chih-Chien Hung, Shao-Hung Lin
  • 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
  • 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
  • Patent number: 8747719
    Abstract: A method for manufacturing an insert-molded cover for electronic devices, including manufacturing a metallic body, processing the metallic body by a chemical method and forming an oxide film on a surface of the metallic body, and molding a plastic antenna lid on the metallic body by insert molding so that the plastic antenna lid is attached on the oxide film.
    Type: Grant
    Filed: June 29, 2011
    Date of Patent: June 10, 2014
    Assignee: Foxconn Technology Co., Ltd.
    Inventors: Han-Ming Lee, Chih-Chien Hung, Hsiang-Sheng Chou, Ching-Hsien Chang
  • Patent number: 8619932
    Abstract: A signal transmission system includes a first clock signal generator and a second clock signal generator. The first clock signal generator is configured for generating a first clock signal according to clock information derived from a transmitted signal, wherein the transmitted signal is changed in response to a frequency change of a second clock signal, and the first clock signal generator enters a frequency-unlocked state if the second clock signal has a frequency transition from a first frequency to a second frequency during a first time period. The second clock signal generator is configured for generating the second clock signal having the frequency transition from the first frequency to the second frequency during a second time period longer than the first time period such that the first clock signal generator stays in a frequency-locked state during the second time period.
    Type: Grant
    Filed: May 17, 2011
    Date of Patent: December 31, 2013
    Assignee: Mediatek Inc.
    Inventors: Yu-Wei Lin, Chih-Chien Hung, Tsang-Yi Wu
  • 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
  • Patent number: 8143877
    Abstract: Semiconductor circuit capable of mitigating unwanted effects caused by variations in a received input signal are provided, in which a main circuit receives an input signal and comprises a first current source coupled between a first node and a first power voltage to generate a first current according to a first bias voltage. A replica circuit is coupled to the main circuit to duplicate a variation in a voltage at the first node caused by a variation in the input signal and dynamically adjusts the first bias voltage according to the duplicated variation such that the first current is maintained at a constant.
    Type: Grant
    Filed: November 29, 2010
    Date of Patent: March 27, 2012
    Assignee: Mediatek Inc.
    Inventors: Sy-Chyuan Hwu, Chih-Chien Hung
  • Patent number: 8138742
    Abstract: Semiconductor circuit capable of mitigating unwanted effects caused by variations in a received input signal are provided, in which a main circuit receives an input signal and comprises a first current source coupled between a first node and a first power voltage to generate a first current according to a first bias voltage. A replica circuit is coupled to the main circuit to duplicate a variation in a voltage at the first node caused by a variation in the input signal and dynamically adjusts the first bias voltage according to the duplicated variation such that the first current is maintained at a constant.
    Type: Grant
    Filed: February 6, 2008
    Date of Patent: March 20, 2012
    Assignee: Mediatek Inc.
    Inventors: Sy-Chyuan Hwu, Chih-Chien Hung