Recording method and apparatus for control track

Details Recording method and apparatus for control track Recording method and apparatus for control track

1996-02-27

1998-08-11

Tran, Thai

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

386 79, H04N 576

Patent

active

057939250

ABSTRACT:
A method and apparatus for recording control pulses on a control track are provided. The control pulses correspond to a number M (where M is an integer equal to or larger than four) of azimuthal tracks on the tape on which the number M of segmented data, obtained by dividing image data corresponding to one frame into the number M of segments, are recorded. One period of the control pulses corresponds to a number N (where N is a divisor of M) of azimuthal tracks, and a duty ratio pattern of the control pulses in a number L (L=M/N) of successive periods corresponding to one frame is different in each of a number K (where K is an integer equal to or larger than two) of successive frames.

REFERENCES:
patent: 4920425 (1990-04-01), Sekimoto et al.
patent: 5140435 (1992-08-01), Suzuki et al.
patent: 5172239 (1992-12-01), Nakayama et al.
patent: 5189568 (1993-02-01), Sim et al.
patent: 5394248 (1995-02-01), Ohta et al.

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