Communications: electrical – Continuously variable indicating – With meter reading
Patent
1989-12-18
1992-12-15
Brown, Thomas W.
Communications: electrical
Continuously variable indicating
With meter reading
360 27, 369 48, 379 67, 379 87, 379101, 379199, 455 261, G11B 2000, H04M 100, H04M 1108, H04N 7167
Patent
active
051721112
ABSTRACT:
A program material screening device is provided whereby the owner/operator of a program material playback device such as a videocassette player, television, laser disc player, motion picture projector, phonograph or the like may automatically and selectively prevent the reproduction into humanly perceivable form of unwanted program material. The screening device is capable of recognizing non-interfering material content signals stored along with the program signals that are reproduced by the program material playback device, and is capable of automatically disabling the playback device in response to the recognition of the material content signal.
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Brown Thomas W.
Yankwich Leon R.
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