Digital video recorder having data distribution among four heads

Details Digital video recorder having data distribution among four heads Digital video recorder having data distribution among four heads

1987-11-25

1989-04-04

Psitos, Aristotelis M.

Dynamic magnetic information storage or retrieval

Splitting one information signal for recording on plural...

360 191, G11B 502

Patent

active

048190896

ABSTRACT:
A digital video tape recorder comprises a head drum, four transducer heads mounted in pairs on the head drum for recording oblique tracks on a magnetic tape, a demultiplexer for distributing digital data to be recorded and corresponding to a video signal such that each field of the video signal is divided into 50-line segments, the digital data corresponding to each field are evenly distributed between all four of the heads for recording, and each track comprises a block of digital data relating to one 50-line segment and a block of digital data relating to another 50-line segment, the two blocks of digital data being separated by an edit gap.

REFERENCES:
patent: 3213204 (1965-10-01), Okamura
patent: 3463878 (1969-08-01), Nassimbene
patent: 3721773 (1973-03-01), Kluge
patent: 4121264 (1978-10-01), Kishi et al.
patent: 4179717 (1979-12-01), Maxey
patent: 4199793 (1980-04-01), Baldwin
patent: 4539605 (1985-09-01), Hoshino et al.
patent: 4563710 (1986-01-01), Baldwin
patent: 4638380 (1987-01-01), Wilkinson et al.
Published PCT Application published as International Publication No. WO 82/02810.
"Television", of Sep./Oct. 1982, vol. 19, No. 5, pp. 27-31.
SMPTE Journal, vol. 92, No. 5, May 1983, pp. 562-567.

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