Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent
1984-02-02
1988-06-07
Cardillo, Raymond F.
Facsimile and static presentation processing
Facsimile
Recording apparatus
358908, 360 8, 360 141, 360 18, 360 31, 360 331, G11B 2002, H04N 544, H04N 560
Patent
active
047500530
ABSTRACT:
A system and method for detecting and marking television commercials is provided. A first comparator is utilized for comparing the television video signal to an adjustable reference voltage and for generating a triggering signal when a video signal is not present at the comparator input. A second comparator compares the television audio signal to a second adjustable reference voltage to provide a triggering signal when an audio signal is not present at the comparator input. The outputs from the two comparators are supplied to a one-shot timer mechanism which is adapted to generate an output signal of a predetermined time period only upon the simultaneous absence of an audio and video signal, thus signifying a fade break in the television broadcast signal. The timed output signal from the timer mechanism is connected to a low frequency oscillator which generates a low frequency output signal upon being actuated by the output from the timer mechanism.
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Broadcast Advertisers Reports, Inc.
Cardillo Raymond F.
Young W. R.
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