Jerrold Electronics Corporation

Andrew Wayne Barnhart

A bilateral communications system, as for CATV application, distributes commercially available and premium video programming on a subscriber demand--directly accountable basis. At least the premium video programming is impressed on the cable in a frequency band and/or format not recoverable by a standard television receiver, absent receipt at a particular subscriber location of a reception-authorizing message from the system head end. A central processor at the system head end sequentially polls cable subscribers under stored program control, permitting bilateral digital communications between the subscriber and the head end.

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Dresher, PA, United States of America

Andrew Wayne Barnhart