Patents Assigned to Stellar Security Products, Inc.
  • Patent number: 5517175
    Abstract: A warning or alarm sensor supervision circuit employs varying voltage levels which may vary at random intervals and to random levels.
    Type: Grant
    Filed: June 24, 1993
    Date of Patent: May 14, 1996
    Assignee: Stellar Security Products, Inc.
    Inventors: Glenn A. Brown, Robert B. Weinhold