Patents Represented by Attorney Robert R. Tipton

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  • Frequency burst communication system
    Patent number: 3959586
    Abstract: A digital or analog signal containing information is discriminated into identifiable bit bundles of information which are modulated into pulses of an oscillating current whose pulse length corresponds to a particular bundle of information which is of shorter duration than the unmodulated bundle of information and which is multiplexed by time zones.
    Type: Grant
    Filed: October 30, 1972
    Date of Patent: May 25, 1976
    Assignee: Physics International Company
    Inventor: Robert William Blomenkamp
  • Coining seal
    Patent number: 3937478
    Abstract: A bakeable high pressure-vacuum seal is provided in which an inductile sealing element having a butterfly shaped crosssection with protruding sharp edges at each of the four corners, is sandwiched between two ductile sealing elements, the sandwiched assembly then being compressed between the surfaces of the flange elements of a high pressure or high vacuum vessel to coin the ductile sealing element into the surface of the inductile sealing element as well as the surfaces of the flange elements.
    Type: Grant
    Filed: November 18, 1974
    Date of Patent: February 10, 1976
    Inventor: Lloyd Mancebo
  • Coloringbook, a solid state display device
    Patent number: 3932862
    Abstract: A two-dimensional matrix of semiconductors is arranged in ordered array as a flat, light emitting and light sensing device for input and read-out of information from a computer. A penlight is used to activate the light sensing semiconductors to achieve a graphical input. Operation of the device can be either incremental or random.
    Type: Grant
    Filed: April 2, 1975
    Date of Patent: January 13, 1976
    Inventor: Robert Michael Graven