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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Thomas; Richard D.
Address:
Acton, MA
No. of patents:
1
Patents:












Patent Number Title Of Patent Date Issued
4236041 Stereophonic signal indicating apparatus November 25, 1980
This disclosure is concerned with resolving monophonic-stereophonic signal reception indication ambiguities through the development of channel difference signals, by appropriate filtering and compression, that distinguish the stereophonic mode.










 
 
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