Patents by Inventor David Kent Gibson

David Kent Gibson 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).

  • Continuously variable reduction scanning optics drive
    Patent number: 4120578
    Abstract: A continuously variable reduction scanning optical system wherein a preferred embodiment is disclosed with mechanisms for continuously adjusting the magnification ratio, the total conjugate length, scan speed, scan length, and leading edge registration. Either a single focus or variable focus lens can be used.
    Type: Grant
    Filed: September 7, 1976
    Date of Patent: October 17, 1978
    Assignee: International Business Machines Corporation
    Inventors: Raymond Alex Daniels, David Kent Gibson, Paul Kummli, Spencer Allan Snell, Michael Henry Ulrich
  • Controlled slip paper separator
    Patent number: 4060232
    Abstract: Sheet separating apparatus to pass sheets one at a time, comprising a nip formed by a positively driven separator roll and a retard roll. Pulleys are located on the shafts of the two rolls and a continuous garter spring is placed around the pulleys. When one sheet is in the nip, slippage occurs between the garter spring and the pulleys; when multiple sheets are in the nip, slippage occurs between the sheets and the retard roll is driven by the garter spring.
    Type: Grant
    Filed: November 12, 1976
    Date of Patent: November 29, 1977
    Assignee: International Business Machines Corporation
    Inventor: David Kent Gibson