Patents by Inventor Chi P. Hu

Chi P. Hu 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).

  • Millimeter-wave stripline planar mixer
    Patent number: 4412354
    Abstract: A millimeter-wave stripline planar mixer to provide a means for mixing a local oscillator signal with a radio frequency signal to produce an intermediate frequency signal, the mixer utilizing beam lead schottky-barrier diodes in a balanced configuration.
    Type: Grant
    Filed: April 1, 1982
    Date of Patent: October 25, 1983
    Assignee: Honeywell Inc.
    Inventor: Chi P. Hu
  • Millimeter-wave odd harmonic frequency multiplier
    Patent number: 4394632
    Abstract: A millimeter-wave odd-harmonic frequency multiplier comprising a block member having an RF output port and an RF input port at right angles to one another with a pair of nonlinear resistance type diodes positioned at the intersection of the RF input port and the RF output port.
    Type: Grant
    Filed: June 29, 1981
    Date of Patent: July 19, 1983
    Assignee: Honeywell Inc.
    Inventor: Chi P. Hu