Patents by Inventor Lawrence Gerald Biggs

Lawrence Gerald Biggs 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).

  • Controlled storage level for a storage cathode-ray tube
    Patent number: 3988634
    Abstract: A system employing electrical storage tube device and more particularly to scan conversion systems in which stored electrical data is erased and replaced with new electrical data wherein the improvement comprises means for controlling the fading or rate of erasure of the stored electrical data when the storage tube device employs a single electron gun for purposes of reading, erasing, and writing.
    Type: Grant
    Filed: November 6, 1974
    Date of Patent: October 26, 1976
    Assignee: Tektronix, Inc.
    Inventors: Dan Franklin Denham, Lawrence Gerald Biggs