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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Metzger; Sidney
Address:
Rockville, MD
No. of patents:
1
Patents:












Patent Number Title Of Patent Date Issued
4901349 Time dispersal encryption of TV signals February 13, 1990
In encrypting a video signal for communications security, the horizontal synchronization pulses are removed, the active signal portions of each line in a field are delayed according to psuedorandom sequence of delays, and the reference color burst is moved to a position in the horizontal










 
 
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