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TRANSPONDER FOR MONITORING T.V. PROGRAM SELECTIONS
US 3,483,327 A
Filed
: 03/25/1965
Issued
: 12/09/1969
Est. Priority Date
: 03/25/1965
Status: Expired due to Term
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Current Assignee
Arnold Schwartz
Original Assignee
Arnold Schwartz
Inventors
Schwartz, Arnold
Application Number
US04/442,638
Time in Patent Office
1,720 Days
Field of Search
US Class Current
725/14
CPC Class Codes
H04H 60/44
for identifying broadcast s...
H04H 60/94
Telephonic networks for acc...
H04N 2007/17372
the upstream transmission b...
H04N 2007/1739
the upstream communication ...
H04N 7/17309
Transmission or handling of...
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