Simple high-band record modulation circuit in 8MM video tape rec

Details Simple high-band record modulation circuit in 8MM video tape rec Simple high-band record modulation circuit in 8MM video tape rec

1995-06-06

1997-02-25

Tran, Thai Q.

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

386 9, H04N 592

Patent

active

056064241

ABSTRACT:
A record modulation circuit having a first frequency deviation amount determiner for determining the frequency deviation amount suitable for a normal recording mode, and a second frequency deviation amount determiner for determining the frequency deviation amount suitable for a high-band recording mode, wherein an 8 mm video tape recorder for normal recording can perform a simple high-band recording. The record modulation circuit is hereby enabled to perform a normal recording operation and a high-band recording operation with only a normal recording IC.

REFERENCES:
patent: 4200889 (1980-04-01), Strobele
patent: 4524380 (1985-06-01), Shibata et al.
patent: 4792862 (1988-12-01), Tsusue et al.
patent: 4963991 (1990-10-01), Honjo
patent: 5032925 (1991-07-01), Ganse et al.
patent: 5223945 (1993-06-01), Honda et al.
patent: 5255101 (1993-10-01), Okada

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