Patents by Inventor Jiann-Chyi Rau

Jiann-Chyi Rau 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).

  • Pulse width modulation signal generating circuit and amplifier circuit with beat frequency cancellation circuit
    Patent number: 8736362
    Abstract: A beat frequency cancellation circuit, for an amplifier, includes a coupling device connected between two signal processing paths of the amplifier for compensating for beat frequency effects of output signals between the signal processing paths.
    Type: Grant
    Filed: March 7, 2012
    Date of Patent: May 27, 2014
    Assignee: Princeton Technology Corporation
    Inventors: Chun-Jen Huang, Jiann-Chyi Rau, Hsin-Hung Wang
  • PULSE WIDTH MODULATION SIGNAL GENERATING CIRCUIT AND AMPLIFIER CIRCUIT WITH BEAT FREQUENCY CANCELLATION CIRCUIT
    Publication number: 20120229207
    Abstract: A beat frequency cancellation circuit, for an amplifier, includes a coupling device connected between two signal processing paths of the amplifier for compensating for beat frequency effects of output signals between the signal processing paths.
    Type: Application
    Filed: March 7, 2012
    Publication date: September 13, 2012
    Applicant: PRINCETON TECHNOLOGY CORPORATION
    Inventors: Chun-Jen HUANG, Jiann-Chyi RAU, Hsin-Hung WANG
  • System for testing electronic devices
    Patent number: 8258796
    Abstract: A system for testing an electronic device comprises a first output, a second output, and a third output connected to a positive input, an identification input, and a negative input of the electronic device, respectively. The system further comprises a switch comprising at least two dynamic contacts, each of which is connected to a resistor for the use of identification.
    Type: Grant
    Filed: April 22, 2010
    Date of Patent: September 4, 2012
    Assignee: Chi Mei Communication Systems, Inc.
    Inventors: Chun-Chin Lai, Jiann-Chyi Rau
  • SYSTEM FOR TESTING ELECTRONIC DEVICES
    Publication number: 20110101993
    Abstract: A system for testing an electronic device comprises a first output, a second output, and a third output connected to a positive input, an identification input, and a negative input of the electronic device, respectively. The system further comprises a switch comprising at least two dynamic contacts, each of which is connected to a resistor for the use of identification.
    Type: Application
    Filed: April 22, 2010
    Publication date: May 5, 2011
    Applicant: CHI MEI COMMUNICATION SYSTEMS, INC.
    Inventors: CHUN-CHIN LAI, JIANN-CHYI RAU