Dynamic magnetic information storage or retrieval – Record medium – In container
Patent
1988-10-28
1991-06-11
Tupper, Robert S.
Dynamic magnetic information storage or retrieval
Record medium
In container
360 66, G11B 2302, G11B 503
Patent
active
050237411
ABSTRACT:
A programmable limited play video tape cassette includes a microcircuit that is programmed to provide a play limit signal at the termination of a selected play period based on time, a calendar period or play count. The cassette also includes selected peripheral devices which render prerecorded picture information on the video tape non-viewable in response to the play limit signal from the programmable microcircuit. In addition to the programmable microcircuit and peripheral devices, the cassette includes a battery, an LCD panel, and one or more sensors.
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Conti Albert B.
Egan Richard G.
Polaroid Corporation
Sniezek Andrew L.
Tupper Robert S.
Vale John S.
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