Patents by Inventor Jack E. Soohoo

Jack E. Soohoo 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).

  • Digital-to-analog optical recorder
    Patent number: 4257111
    Abstract: A digital-to-analog optical recorder incorporating both CCD and integrated optics technologies which is fabricated as a single integral unit including an electro-optical layer portion and a semiconductor layer portion. Sampling circuits and digital-to-analog converters are implemented on the semiconductor layer portion using CCD technology, and a plurality of optical channel waveguides and electro-optical modulators are implemented on the electro-optical layer portion. Each digital signal is converted into two complementary light spots at the output of the recorder.
    Type: Grant
    Filed: October 3, 1979
    Date of Patent: March 17, 1981
    Assignee: Rockwell International Corporation
    Inventors: Jack E. Soohoo, Michael J. McNutt, Shi-Kay Yao, Cecil L. Hayes, Richard A. Gudmundsen