Assignee

SMART T V LLC

US·1 granted patent·266 citations·filing 1997–1997

Technology mixG06Q1 G07F1 G07G1 H04N1

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0195US5907350ATelevision signal activated interactive smart card systemSMART T V LLC·Filed 1997·Granted May 25, 1999·266 cites·15 claims

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