G - Physics – 11 – B
Patent
G - Physics
11
B
242/30.9
G11B 23/087 (2006.01) G11B 23/28 (2006.01)
Patent
CA 1282764
86/185 LIMITED PLAY TAPE CASSETTE SYSTEM ABSTRACT An assembly added to a conventional VHS cassette provides a wheel for counting the number of plays, or replays of segments of more than a predetermined length, and preventing further replay after the last authorized play by either releasing a spring biased arm to carry an erase head against the tape, or locking the cassette brakes in the engaged position once the cassette is removed from the tape deck.
550679
Dodds Ralph L.
Nicholson Roger D.
Perkins Leland M.
Rubenstein David H.
Dodds Ralph L.
Nicholson Roger D.
Perkins Leland M.
Rubenstein David H.
Smart & Biggar
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