Patents Represented by Attorney Andrea P. Bryant

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  • High speed real time image transformation
    Patent number: 4052699
    Abstract: In an image processing system, words of bit length n of video data representing a horizontally scanned image are sequentially loaded in parallel by row into a matrix memory having n rows and in columns. The matrix memory is unloaded sequentially in parallel by column into an array of shift registers of n .times. n bit capacity. Each shift cycle yields a word comprising all bits from the corresponding bit position in each register.
    Type: Grant
    Filed: June 30, 1976
    Date of Patent: October 4, 1977
    Assignee: International Business Machines Corporation
    Inventors: William Frank Micka, Thomas Scott Robinson
  • Method for preparing large single crystal thin films
    Patent number: 4046618
    Abstract: A method of making a large single crystal thin film not dependent upon the size or temperature resistance of the substrate crystal by first depositing an amorphous film of the crystalline material to be produced followed by heating of the amorphous film in such a manner that nucleation of epitaxial grains is propagated through the amorphous film whereby a single crystal thin film is produced.
    Type: Grant
    Filed: February 26, 1975
    Date of Patent: September 6, 1977
    Assignee: International Business Machines Corporation
    Inventors: Praveen Chaudhari, Jerome John Cuomo, John Wauchope Matthews
  • Rotor stator assembly for a low inertia stepping motor
    Patent number: 4045696
    Abstract: A rotor stator assembly comprising a stepping motor having an improved torque-to-inertia ratio resulting from a substantial reduction in moment of inertia due to the conical shape of the rotor. A core energized by a DC coil is disposed axially of the base of the conical rotor and the magnetic path is through the base of the rotor, out its periphery, through the stator, through conductive members and back to the core. There is a further increase in torque-to-inertia ratio which is due to a decrease in rotating mass when the rotor is hollow.
    Type: Grant
    Filed: July 9, 1975
    Date of Patent: August 30, 1977
    Assignee: International Business Machines Corporation
    Inventors: Heinz Lutz, Volker Zimmermann, Rainer Zuehlke
  • Ultrasonic removal of solid impurities from recirculating ink
    Patent number: 4011157
    Abstract: In an ink jet printer solid impurities contaminating recirculating ink are removed by subjecting contaminated ink to ultrasonic energy for forming an aerosol of the ink. The aerosol of ink is entrained in an air stream and carried to impactor means where the ink aerosol is caused to return to a liquid state.
    Type: Grant
    Filed: January 30, 1976
    Date of Patent: March 8, 1977
    Assignee: International Business Machines Corporation
    Inventors: William Boone Pennebaker, Jr., Keith Samuel Pennington, Hugo Karl Seitz, Frederick Hochberg, deceased