Patents by Inventor Alan S. Christinsin

Alan S. Christinsin 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).

  • Whip tilt adapter
    Patent number: 5252985
    Abstract: A whip-tilt adapter allows a whip antenna designed for use over the 2-30 MHz frequency band known as the high frequency (HF) radio band that is normally vertically polarized to be horizontally polarized for use in near vertical incidence skywave (NVIS) communication. The adapter has a vertical shaft for connection to an antenna mount or a bottom section of the antenna, a near-horizontal member having a port to connect to the antenna, and optionally a vertical port for an antenna connection. The adapter can be made to mate with any whip and whip base.
    Type: Grant
    Filed: January 7, 1992
    Date of Patent: October 12, 1993
    Inventor: Alan S. Christinsin
  • Whip tilt adapter
    Patent number: 5144326
    Abstract: A whip-tilt adapter allows a whip antenna that is normally vertically polarized to be horizontally polarized for use in near vertical incidence skyway communication. The adapter has a vertical shaft for connection to an antenna mount or a bottom section of the antenna, a near-horizontal member having a port to connect to the antenna, and optionally a vertical port for an antenna connection.
    Type: Grant
    Filed: November 14, 1990
    Date of Patent: September 1, 1992
    Inventor: Alan S. Christinsin