Method and apparatus for the prevention of fast-forwarding of a

Details Method and apparatus for the prevention of fast-forwarding of a Method and apparatus for the prevention of fast-forwarding of a

1989-12-18

1991-04-02

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Record medium

In container

360 741, 360 746, G11B 2302, G11B 1548

Patent

active

050050990

ABSTRACT:
This invention relates to a method and apparatus for preventing the fast-forwarding of a video tape cassette through a commercial advertisement recorded at the beginning of the tape. The methods disclosed make use of the standard photoelectric circuitry normally built into a video cassette recorder for sensing the transparent ends of a tape and stopping the recorder. Actuation of the standard stop circuitry may be accomplished by adding an auxiliary light source and associated operating circuitry to illuminate the photocell thereof.

REFERENCES:
patent: 4400745 (1983-08-01), Shu

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