Patents by Inventor Shey-Ping L. Sheu

Shey-Ping L. Sheu 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: 4593319
    Abstract: A high resolution quadrilinear CCD imager array which incorporates a unique on-chip multiplexing technique. The multiplexing is accomplished in two consecutive steps. First the two video outputs on either side of the sensor array are multiplexed through a CCD channel. This multiplexed output is then sensed through a source follower circuit, one on either side of said sensor array. A non-overlapping clocking technique is used to sample and hold the signals on either side and simultaneously the second level of multiplexing is also accomplished, giving a 4:1 video multiplexed output. The final signal is sensed through a second stage source follower circuit. Bad pixel deletion is effected by overriding the sample and hold signal.
    Type: Grant
    Filed: April 20, 1983
    Date of Patent: June 3, 1986
    Assignee: Xerox Corporation
    Inventors: Narayan K. Kadedodi, Shey-Ping L. Sheu, Abd-El-Fattah A. Ibrahim