Patents by Inventor James P. Scherer

James P. Scherer 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).

  • Coaxial rotary coupler
    Patent number: 6064288
    Abstract: A coaxial rotary coupler assembly which includes a coaxial transmission region for transmitting RF energy between a stationary and rotating section of the rotary coupler. Compact stubs are associated with the input and output connections to associated input and output transmission lines. Stepped impedance chokes are formed between fixed and rotating portions of the outer and inner coaxial conductors of the rotary transmission line sections.
    Type: Grant
    Filed: July 17, 1998
    Date of Patent: May 16, 2000
    Assignee: L3 Communications Corp., Randtron Antenna Systems Division
    Inventors: Douglas A. Norman, James P. Scherer
  • Dual polarized blade antenna
    Patent number: 4015263
    Abstract: A very small vertically and horizontally polarized antenna having direction finding capabilities at low microwave frequencies employs filamentary vertically polarized antenna elements and resistively loaded slots for horizontally polarized radiation with a pair of the antennas being employed for direction finding.
    Type: Grant
    Filed: February 23, 1976
    Date of Patent: March 29, 1977
    Assignee: Textron, Inc.
    Inventors: John A. Koerner, James P. Scherer, Donald J. Stoddard, George N. Voronoff