Assignee
EUROP RECH ELECTR LAB
FR·22 granted patents·480 citations·filing 1989–1994
Top patents by PatentIndex Score
22 records- 0181US5208856AScrambling and unscrambling method for composite video signals and implementing deviceEUROP RECH ELECTR LAB·Filed 1991·Granted May 4, 1993·60 cites·12 claims
- 0280US5222086AMethod for the linking of data during the recording of encoded data on a recordable type optical diskEUROP RECH ELECTR LAB·Filed 1990·Granted Jun 22, 1993·36 cites·10 claims
- 0378US5563948AProcess for authentication of smart cards, and device for use of the processEUROP RECH ELECTR LAB·Filed 1993·Granted Oct 8, 1996·104 cites·17 claims
- 0471US5191418AMethod for the processing of digital control data associated with an hd-mac type video signal and device for the implementation of the methodEUROP RECH ELECTR LAB·Filed 1991·Granted Mar 2, 1993·36 cites·10 claims
- 0567US5173589AProcess for instantaneous confirmation of actions in relation to television programs and device for use of the processEUROP RECH ELECTR LAB·Filed 1990·Granted Dec 22, 1992·62 cites·16 claims
- 0653US5162638AProcess for protection against fraudulent use of smart cards, and device for use of the processEUROP RECH ELECTR LAB·Filed 1990·Granted Nov 10, 1992·45 cites·4 claims
- 0752US5488432AVideo signal processing method for changing a video signal display formatEUROP RECH ELECTR LAB·Filed 1994·Granted Jan 30, 1996·15 cites·16 claims
- 0848US5179710AInterface for amplifying logic signal from a signal line having a predetermined logic state to supply power to peripheral deviceEUROP RECH ELECTR LAB·Filed 1992·Granted Jan 12, 1993·27 cites·10 claims
- 0948US5128523AMicrocontrolled reader for smart cardsEUROP RECH ELECTR LAB·Filed 1990·Granted Jul 7, 1992·14 cites·6 claims
- 1047US5255098AProcess for the insertion of a supplementary video information set outside a main imageEUROP RECH ELECTR LAB·Filed 1992·Granted Oct 19, 1993·13 cites·10 claims
- 1136US5434397AProtection against the non-authorized inhibition of writing in certain storage areas of a smart cardEUROP RECH ELECTR LAB·Filed 1993·Granted Jul 18, 1995·20 cites·7 claims
- 1236US5249229ADevice and method for generating control signalsEUROP RECH ELECTR LAB·Filed 1990·Granted Sep 28, 1993·6 cites·7 claims
- 1336US5177485AMethod of scrambling pal, secam and ntsc composite video signals and decoder of signals scrambled by this methodEUROP RECH ELECTR LAB·Filed 1989·Granted Jan 5, 1993·4 cites·7 claims
- 1434US5172109AMethod of registering a unit in a network at least one part of which is constituted from an open channelEUROP RECH ELECTR LAB·Filed 1989·Granted Dec 15, 1992·9 cites·9 claims
- 1532US5199067AProcess for promotion of pay television broadcasts, and device for use of the processEUROP RECH ELECTR LAB·Filed 1990·Granted Mar 30, 1993·4 cites·17 claims
- 1631US5371494AMethod for optimizing the transmission of authorization of access to a network comprising open channelsEUROP RECH ELECTR LAB·Filed 1994·Granted Dec 6, 1994·10 cites·2 claims
- 1731US5204898AMethod of protection against the unauthorized unscrambling of scrambled television broadcasts, and implementation methodEUROP RECH ELECTR LAB·Filed 1991·Granted Apr 20, 1993·1 cites·7 claims
- 1830US5210608AMethod for the correction of television signals at transmission, and implementation deviceEUROP RECH ELECTR LAB·Filed 1991·Granted May 11, 1993·0 cites·9 claims
- 1929US5592639ADevice and method for writing in a storage device of the queue typeEUROP RECH ELECTR LAB·Filed 1994·Granted Jan 7, 1997·0 cites·9 claims
- 2028US5451983ACumputer accessory exhibiting a common input for two separate auxilliary inputEUROP RECH ELECTR LAB·Filed 1993·Granted Sep 19, 1995·6 cites·10 claims
- 2128US5383179AMessage routing method in a system having several different transmission channelsEUROP RECH ELECTR LAB·Filed 1993·Granted Jan 17, 1995·8 cites·8 claims
- 2224US5134492AMethod and device for limiting the current of a cathode-ray tube during the frame return timeEUROP RECH ELECTR LAB·Filed 1991·Granted Jul 28, 1992·0 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →