Process for recording a scrambled MPEG stream

Details Process for recording a scrambled MPEG stream Process for recording a scrambled MPEG stream

2006-07-18

2006-07-18

Tran, Thai (Department: 2616)

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

C360S060000, C380S201000, C380S203000

Reexamination Certificate

active

07079752

ABSTRACT:
A process whereby scrambled data of the stream are, in parallel with their recording (6), descrambled (2, 3) so as to extract (4) therefrom additional data corresponding to information required by at least one function of the special mode or “trick mode” (fast forward, fast rewind, accelerated motion, slow motion, etc.). These additional data are also recorded (6) on the recording medium. Applications relate most particularly to recordings on hard disk or DVD.

REFERENCES:
patent: 5237611 (1993-08-01), Rasmussen et al.
patent: 5289276 (1994-02-01), Siracusa et al.
patent: 5757909 (1998-05-01), Park
patent: 2002/0065969 (2002-05-01), Schultz
patent: 0712127 (1996-05-01), None
patent: 0712247 (1996-05-01), None
patent: 0873023 (1998-10-01), None
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