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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Shutterly; Harold B.
Address:
Pittsburgh, PA
No. of patents:
5
Patents:












Patent Number Title Of Patent Date Issued
4318125 Solid state digital audio scrambler system for teletransmission of audio intelligence through a March 2, 1982
An audio scrambler digitally samples a continuous audio signal, scrambles the derived samples and inserts at least one scrambled sample in the unoccupied region of the video signals of a video system for transmission line per line as an analog composite audio-video signal. A RAM device i
4295223 Digital signal/noise ratio amplifier apparatus for a communication system October 13, 1981
The signal-to-noise ratio of a signal to be transmitted through a communication channel having an upper and lower limit in magnitude is sampled digitally and a common corrective factor for the deviations about the mean value of the signal is determined for amplifying the low portions
4266243 Scrambling system for television sound signals May 5, 1981
An audio scrambler operates on segments of audio divided from a continuous audio signal to rotate head-to-tail the string of information contained in the segment by an amount which is at pseudo-random between the successive segments. When the segments are compressed to video format, the
4070693 Secure television transmission system January 24, 1978
A system for transmitting a secure television image is as disclosed. At the transmitter each line of the television image is digitized to generate a series of digital numbers representing the complete video line. The digital numbers representing the picture portion of each scan line are
4065795 Recording technique for an audio/video program wherein the audio incorporates video change signa December 27, 1977
In the recording of audio-video programs in which the audio is time-compressed and converted into television format, the video frames associated with a given audio frame are recorded in a group immediately following the audio frame, and picture-change cue signals are recorded at sele










 
 
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