Patents by Inventor Beryl L. McArdle

Beryl L. McArdle 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).

  • Autokey generator for secret communication system
    Patent number: 4370519
    Abstract: 1.
    Type: Grant
    Filed: December 6, 1949
    Date of Patent: January 25, 1983
    Assignee: General Dynamics Corporation
    Inventor: Beryl L. McArdle
  • Autokey code generator
    Patent number: 4343967
    Abstract: 1.
    Type: Grant
    Filed: February 28, 1950
    Date of Patent: August 10, 1982
    Assignee: General Dynamics Corporation Electronics Division
    Inventor: Beryl L. McArdle
  • Blanking wave generator for binary code synchronizing system
    Patent number: 4337436
    Abstract: 1.
    Type: Grant
    Filed: November 15, 1951
    Date of Patent: June 29, 1982
    Assignee: General Dynamics Corporation, Electronics Division
    Inventors: Beryl L. McArdle, Pierre J. Tapernoux
  • Binary code randomizing system
    Patent number: 4266095
    Abstract: 1. In a secret communication system including a source of an intelligence signal wave, means for periodically sampling said signal wave at predetermined intervals, and means for developing from the samples thus obtained a first pulse train comprising groups each having n binary digits: means for developing a second pulse train comprising groups of n binary digits, (n-1) of said binary digits corresponding respectively with a selected binary digit in each of the preceding (n-1) groups of said first pulse train; means for combining said first and second pulse trains to develop a third pulse train; and means for utilizing said third pulse train.
    Type: Grant
    Filed: January 4, 1950
    Date of Patent: May 5, 1981
    Inventor: Beryl L. McArdle