Patents Assigned to First National Bank of Decatur, Alabama
  • Emergency civil defense alarm and communications systems
    Patent number: 3975583
    Abstract: In a cable television distribution system, an emergency pre-empt system is located at a transmission station separate from the distribution station. This pre-empt system contains circuitry for interrupting the normal distribution of cable television signals and for enabling an emergency operator to present desired audio and video information to the viewers of the receivers serviced by the distribution system irrespective of the channel to which a receiver may be tuned.
    Type: Grant
    Filed: October 7, 1974
    Date of Patent: August 17, 1976
    Assignee: First National Bank of Decatur, Alabama
    Inventor: Talmadge W. Meadows