Patents by Inventor Chih-Hsiang Liao

Chih-Hsiang Liao 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: 8502589
    Abstract: A signal swing trimming apparatus calibrates a swing level of an output signal generated from a transmitting device to a receiving device including: a comparing device coupled to the output signal for comparing the swing level of the output signal with a target swing level and generating a comparison output signal, and an adjusting device coupled to the comparing device and the transmitting device for controlling the transmitting device to adjust the swing level of the output signal according to the comparison output signal, wherein the signal swing trimming apparatus is configured to calibrate the swing level of the output signal during a hand-shake process between the transmitting device and the receiving device.
    Type: Grant
    Filed: November 26, 2009
    Date of Patent: August 6, 2013
    Assignee: Mediatek Inc.
    Inventors: Kun-Hsien Li, Ding-Yu Hsin, Chien-Hua Chen, Chih-Pin Sun, Chih-Hsiang Liao, Chien-Hua Wu, Hung-Yueh Lin
  • Publication number: 20110125942
    Abstract: A signal swing trimming apparatus calibrates a swing level of an output signal generated from a transmitting device to a receiving device including: a comparing device coupled to the output signal for comparing the swing level of the output signal with a target swing level and generating a comparison output signal, and an adjusting device coupled to the comparing device and the transmitting device for controlling the transmitting device to adjust the swing level of the output signal according to the comparison output signal, wherein the signal swing trimming apparatus is configured to calibrate the swing level of the output signal during a hand-shake process between the transmitting device and the receiving device.
    Type: Application
    Filed: November 26, 2009
    Publication date: May 26, 2011
    Inventors: Kun-Hsien Li, Ding-Yu Hsin, Chien-Hua Chen, Chih-Pin Sun, Chih-Hsiang Liao, Chien-Hua Wu, Hung-Yueh Lin
  • Patent number: D335626
    Type: Grant
    Filed: April 3, 1992
    Date of Patent: May 18, 1993
    Inventor: Chih-Hsiang Liao
  • Patent number: D336239
    Type: Grant
    Filed: April 24, 1990
    Date of Patent: June 8, 1993
    Inventor: Chih-Hsiang Liao