Motion picture recording/reproduction apparatus

Details Motion picture recording/reproduction apparatus Motion picture recording/reproduction apparatus

2005-09-20

2005-09-20

Chevalier, Robert (Department: 2616)

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

C386S349000

Reexamination Certificate

active

06947660

ABSTRACT:
The present invention makes possible recording motion pictures accurately starting at a point where a start recording event is received. The recording includes those pictures prior to the start recording event using a picture compressing method that compresses pictures both before and after the starting event, typically using the MPEG2 compression system. To make the above recording method possible, the present invention provides a signal processor and a photographic device that can search a motion vector for changing the object searching range properly, set an compression amount allocation for each picture type, and allow optimized parameters to be set when a start recording event is generated. The pictures processed before the start recording event is generated are stored in a memory buffer and on a recording medium so as to be used for recording or reproduction data entered after the recording starting time.

REFERENCES:
patent: 5377051 (1994-12-01), Lane et al.
patent: 5497243 (1996-03-01), Sakata et al.
patent: 5535008 (1996-07-01), Yamagishi et al.
patent: 99306698 (2000-03-01), None
patent: 407065552 (1995-03-01), None
International Telecommunication Union, Standard No. H.262 (Jul., 1995).
MSSG MPEG-2, Test Model 5 (document that pertains to MPEG-2 Video Main Profile).

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