VCD up-grading circuit board for a CD player or CD-ROM

Details VCD up-grading circuit board for a CD player or CD-ROM VCD up-grading circuit board for a CD player or CD-ROM

1997-03-10

1999-07-20

Garber, Wendy

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

386 84, 386111, 386125, 348536, 348845, 3488453, H04N 595

Patent

active

059266066

ABSTRACT:
A VCD up-grading circuit board for a CD player or CD-ROM includes an MPEG decoder, a microprocessor, a DRAM, an audio digital/analog converter, a TV encoder and a synchronous clock generator. The VCD up-grading circuit board for a CD player or CD-ROM is attached to the CD player or CD-ROM to allow the CD player or CD-ROM to play a VCD without additional connection between the VCD up-grading circuit board and the CD player (CD-ROM).

REFERENCES:
patent: 3175035 (1965-03-01), MacDonald
patent: 4774575 (1988-09-01), Takayama
patent: 4821123 (1989-04-01), Ogura
patent: 5473385 (1995-12-01), Leske
patent: 5502573 (1996-03-01), Fujinami
patent: 5543853 (1996-08-01), Haskell et al.
patent: 5671204 (1997-09-01), Yokouchi et al.
patent: 5719646 (1998-02-01), Kikuchi et al.
patent: 5724476 (1998-03-01), Suzuki
patent: 5796441 (1998-08-01), Oshita

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