Assignee
NAT FILM BOARD OF CANADA
CA·4 granted patents·76 citations·filing 1991–1993
Top patents by PatentIndex Score
4 records- 0176US5485436ASystem and method for accessing information on stored optical discsNAT FILM BOARD OF CANADA·Filed 1993·Granted Jan 16, 1996·33 cites·25 claims
- 0270US5231627AApparatus for reading optically encoded soundtracksNAT FILM BOARD OF CANADA·Filed 1991·Granted Jul 27, 1993·22 cites·41 claims
- 0351US5268562AOptical dual sensor bar code scanning systemNAT FILM BOARD OF CANADA·Filed 1992·Granted Dec 7, 1993·16 cites·8 claims
- 0426US5141306AMethod and system for determining the effects of exposure on recording and reproduction of optical sound recordsNAT FILM BOARD OF CANADA·Filed 1991·Granted Aug 25, 1992·5 cites·11 claims
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