Patents by Inventor Gray Pan

Gray Pan 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).

  • Comparators capable of output offset calibration
    Patent number: 7154294
    Abstract: Comparators outputting offset calibration. A MOS current mode logic (MCML) circuit receives input signals and generates differential logic signals on output terminals thereof, and comprises a calibration unit coupled to the output terminals, calibrating output offsets at the output terminals according to digital calibration codes. An output stage is coupled to the differential logic signals at the output terminals of the MCML circuit to amplify the differential logic signal and generating a comparison resulting signal. By adjusting the digital calibration codes applied to the calibration unit, current on the output terminals can be adjusted, such that output offsets at the output terminals of the MCML circuit 10 can be eliminated.
    Type: Grant
    Filed: February 23, 2005
    Date of Patent: December 26, 2006
    Assignee: Via Technologies Inc.
    Inventors: Zhongding Liu, Joe Bi, Ken-Ming Li, Gray Pan, Gary Yang
  • Comparators capable of output offset calibration
    Publication number: 20060186928
    Abstract: Comparators outputting offset calibration. A MOS current mode logic (MCML) circuit receives input signals and generates differential logic signals on output terminals thereof, and comprises a calibration unit coupled to the output terminals, calibrating output offsets at the output terminals according to digital calibration codes. An output stage is coupled to the differential logic signals at the output terminals of the MCML circuit to amplify the differential logic signal and generating a comparison resulting signal. By adjusting the digital calibration codes applied to the calibration unit, current on the output terminals can be adjusted, such that output offsets at the output terminals of the MCML circuit 10 can be eliminated.
    Type: Application
    Filed: February 23, 2005
    Publication date: August 24, 2006
    Inventors: Zhongding Liu, Joe Bi, Ken-Ming Li, Gray Pan, Gary Yang