One-way address transmission system of PCM music

Details One-way address transmission system of PCM music One-way address transmission system of PCM music

1989-03-21

1991-02-05

Buczinski, Stephen C.

Cryptography

Cryptanalysis

380 46, 380 49, 381 77, 381 81, 370 50, 370 73, 3701001, H04B 300, H04K 102, H04L 920

Patent

active

049912070

ABSTRACT:
In one way address transmission system of a PCM music broadcasting, a plurality of the PCM signals are time divisionally multiplexed and then the multiplexed data is scrambled for transmission. An address code in the transmitted scrambled data is arranged so that only the contracted receiver can descramble the address code.

REFERENCES:
patent: 4245245 (1981-01-01), Matsumoto et al.
patent: 4884267 (1989-11-01), Miyamoto et al.
patent: 4922483 (1990-05-01), Kobayashi
patent: 4949394 (1990-08-01), Shiraishi et al.

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