H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 7/16 (2006.01) G08C 19/28 (2006.01) H03J 1/00 (2006.01) H04N 7/173 (2006.01)
Patent
CA 2147313
A device for restricting access to certain programs. The RCU comprises an entry pad, a controller, a read-only-memory ("ROM"), and an transmission system.
Blahut Donald Edgar
Story Guy Ashley
Szurkowski Edward Stanley
At&t Corp.
Kirby Eades Gale Baker
LandOfFree
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