Information signal reproduction control system

Details Information signal reproduction control system Information signal reproduction control system

1997-11-12

2000-02-08

Chevalier, Robert

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

386 95, H04N 591

Patent

active

060235519

ABSTRACT:
A synthetic information signal generated by superimposing one spreading code selected out of predetermined plural spectrum spreading codes different in a phase or a code series on a main information signal is output according to a reproduction control signal for controlling the prohibition and the allowance of recording the above main information signal on a recording medium, a reproduction control signal according to the result of detecting the spreading code in the synthetic signal is generated and the main information signal is recorded on the recording medium according to the reproduction control signal.

REFERENCES:
patent: 3984624 (1976-10-01), Waggener
patent: 5319735 (1994-06-01), Preuss et al.
patent: 5673357 (1997-09-01), Shima

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