Remotely selectable audio/video/text disruption

Details Remotely selectable audio/video/text disruption Remotely selectable audio/video/text disruption

1994-05-09

1996-07-16

Gregory, Bernarr E.

Cryptography

Cryptanalysis

380 6, 348 55, H04N 716

Patent

active

055376126

ABSTRACT:
A television receiver is equipped with hardware/firmware so that it may be disabled by a remotely transmitted series of codes. In a preferred embodiment, the display of the receiver indicates that the receiver is operable, but has been disrupted, rather than being broken. The invention is particularly useful for commercial situations such as rentals or lodging facilities where payment is expected for use of the television.

REFERENCES:
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patent: 4367557 (1983-01-01), Stern et al.
patent: 4461032 (1984-07-01), Skerlos
patent: 4550341 (1985-10-01), Naito
patent: 4626892 (1986-12-01), Nortrup et al.
patent: 4792972 (1988-12-01), Cook, Jr.
patent: 4837623 (1989-06-01), Motoyama
patent: 4908859 (1990-03-01), Bennett et al.
patent: 4926264 (1990-05-01), Ohno et al.

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