Synchronous duplicate video recording apparatus

Details Synchronous duplicate video recording apparatus Synchronous duplicate video recording apparatus

1994-03-17

1995-05-30

Sniezek, Andrew L.

Dynamic magnetic information storage or retrieval

Record copying

360 143, 358335, G11B 586

Patent

active

054207258

ABSTRACT:
Video recording apparatus (10) includes master video apparatus (12) including a video camera(16) and a master video recording device (18). The master video recording device is respectively started and stopped by respectively first and second signals (S1 and S2) provided by the camera. The master recording device produces an original video recording. The original video recording includes a time-code (TC) which is not visible in frames of the original recording when it is replayed. A synchronous duplicate video recording apparatus (14) includes a duplicate video recording device (26) and is connected to the master video recording apparatus. The duplicate video recording device provides a duplicate video recording including the time-code. The time-code is visible in frames of the duplicate recording when it is replayed. The synchronous duplicate video recording apparatus includes circuitry (28) which enables the master and duplicate video recording devices to be started and stopped synchronously.

REFERENCES:
patent: 4698664 (1987-10-01), Nichols et al.
patent: 4875107 (1989-10-01), Heidt et al.
patent: 4991025 (1991-02-01), Eigeldinger
patent: 5018027 (1991-05-01), Roggendorf
patent: 5210659 (1993-05-01), Oguri et al.
patent: 5280392 (1994-01-01), Koo

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