Tape cassette with use counter

Details Tape cassette with use counter Tape cassette with use counter

1981-12-21

1984-10-02

Heyman, John S.

Electrical pulse counters, pulse dividers, or shift registers: c

Applications

Counting based on number of times machine or apparatus operates

360 93, 377 28, G11B 2304, G11B 1906

Patent

active

044752229

ABSTRACT:
The housing of a tape cassette is provided with mechanical or electrical structure for recording the number of times the cassette housing is withdrawn from a video cassette recorder. A display window on the cassette displays indicia representative of the number of removals of the cassette from such recorder whereby a rental fee may be charged based on said indicia.

REFERENCES:
patent: 3601557 (1971-08-01), Lennox
patent: 3604624 (1971-09-01), Miura et al.
patent: 3678215 (1972-07-01), Kihara

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