System for recording/reproducing both digital and analog signals

Details System for recording/reproducing both digital and analog signals System for recording/reproducing both digital and analog signals

1993-12-10

1998-09-15

Tran, Thai Q.

Optical: systems and elements

Optical amplifier

Free electron

360 32, H04N 576, G11B 500

Patent

active

058087508

ABSTRACT:
A system for a video cassette recorder is capable of recording/reproducing analog video and audio signals as well as digital video and audio signals for a HDTV.
The revolution of a head drum may be determined different from each other depending on the selected mode, i.e., digital or analog signal recording/reproducing mode, and thus the digital signal having a different recording bandwidth from the analog signal can be recorded on and reproduced from a conventional analog tape.

REFERENCES:
patent: 4963991 (1990-10-01), Honjo
patent: 5195073 (1993-03-01), Kato et al.
patent: 5394275 (1995-02-01), Iketani et al.
patent: 5414566 (1995-05-01), Oba et al.

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