Patents by Inventor Hon Man Yau

Hon Man Yau 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).

  • Clock duty cycle calibration and phase calibration for high-speed transmitter
    Patent number: 11438199
    Abstract: A transmitter device having a calibrator circuit is disclosed. The calibrator circuit performs duty cycle calibration and phase calibration on a plurality of clock signals of the transmitter device. In one embodiment, the phase calibration is performed based on a comparison of the clock signals to a reference clock signal from the plurality of clock signals. In another embodiment, the calibrator circuit uses fixed patterns of data signals to perform phase calibration on the plurality of clock signals.
    Type: Grant
    Filed: May 18, 2021
    Date of Patent: September 6, 2022
    Assignee: eTopus Technology Inc.
    Inventors: Danfeng Xu, Xiaolong Liu, Hon Man Yau, Paul K. Lai, Kai Keung Chan