Pay TV control system

Details Pay TV control system Pay TV control system

1975-03-03

1977-03-15

Hubler, Malcolm F.

Facsimile and static presentation processing

Static presentation processing

Attribute control

70263, 340149R, H04N 144

Patent

active

040125831

ABSTRACT:
A simple recyclable key and locking system for enabling a pay TV converter is disclosed. The key is a small tag such as might be attached to the room key of a hotel room and is to be turned in with the room key. The TV viewing key is inserted into a locking-unlocking unit which determines its validity, makes the appropriate connection in a pay TV converter to enable viewing, then cancels the validity of the key. When turned in, the key is easily examined as to whether or not it has been used, and, if so, it can be quickly revalidated for reuse. The key user is billed only if his viewing key has been used, or is not returned. In a residential situation, the viewing key would be purchased, then discarded after one use.

REFERENCES:
patent: 3353006 (1967-11-01), Pollock et al.
patent: 3624631 (1971-11-01), Chomet et al.
patent: 3694810 (1972-09-01), Mullens
patent: 3736369 (1973-05-01), Vogelman et al.
patent: 3790700 (1974-02-01), Callais et al.
patent: 3906447 (1975-09-01), Crafton

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