Transmitting, receiving, and automatic recording system for prog

Details Transmitting, receiving, and automatic recording system for prog Transmitting, receiving, and automatic recording system for prog

1991-03-25

1993-03-16

Buczinski, Stephen C.

Cryptography

Particular algorithmic function encoding

Nbs/des algorithm

358 84, 358142, 358147, 4551861, H04N 7167, H04N 700

Patent

active

051951347

ABSTRACT:
Scrambled video and audio signals of programs are transmitted from a transmitting system via a communication satellite to a receiving system. The audio signal contains channel, start/end time, and standard time information of the programs. The receiving system has a calendar for generating time information which is corrected according to the standard time information. Desired programs can automatically be recorded by a video tape recorder connected to the receiving system, based on the channel and start/end time information which is displayed. Any received programs which the user of the receiving system does not want to record can be canceled simply by pushing cancel keys.

REFERENCES:
patent: 4025851 (1977-05-01), Haselwood et al.
patent: 4739510 (1988-04-01), Jeffers et al.
patent: 4833710 (1989-05-01), Hirashima
patent: 5016273 (1991-05-01), Hoff

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