Patents Assigned to Compfax Corp.
  • Cooperative communication system
    Patent number: 5029210
    Abstract: A cooperating communications system in which at least two stations and a connecting communications link form a cooperative communicating loop. Each station contains a plurality of amplification stages, which stages are selected by binary input messages. An oscillating loop is established in response to the selection of a predetermined number of amplification stages. The oscillating loop permits the occurrence of secure communication between the two stations.
    Type: Grant
    Filed: January 29, 1990
    Date of Patent: July 2, 1991
    Assignee: Compfax Corp.
    Inventor: Elliot L. Gruenberg