Assignee
SCHLUMBERGER SYSTEMS & SERVICE
US·65 granted patents·2 pending applications·1,763 citations·filing 1985–2003
Top patents by PatentIndex Score
67 records- 0196USD460005SStreet parking meterSCHLUMBERGER SYSTEMS & SERVICE·Filed 2000·Granted Jul 9, 2002·78 cites·1 claims
- 0291USD449615SConnector device for a smart cardSCHLUMBERGER SYSTEMS & SERVICE·Filed 2000·Granted Oct 23, 2001·61 cites·1 claims
- 0388US4817175AVideo stream processing systemSCHLUMBERGER SYSTEMS & SERVICE·Filed 1987·Granted Mar 28, 1989·101 cites·10 claims
- 0486USD450253SParking meterSCHLUMBERGER SYSTEMS & SERVICE·Filed 2001·Granted Nov 13, 2001·74 cites·1 claims
- 0584US7319974B1Vehicle parking management methodSCHLUMBERGER SYSTEMS & SERVICE·Filed 2000·Granted Jan 15, 2008·39 cites·14 claims
- 0684US6803114B1Manufacturing process for laminated cards with intermediate PETG layerSCHLUMBERGER SYSTEMS & SERVICE·Filed 2000·Granted Oct 12, 2004·46 cites·4 claims
- 0783US6435416B1Method of authenticating a personal code of a user of an integrated circuit cardSCHLUMBERGER SYSTEMS & SERVICE·Filed 2000·Granted Aug 20, 2002·95 cites·9 claims
- 0879US4796227AComputer memory systemSCHLUMBERGER SYSTEMS & SERVICE·Filed 1987·Granted Jan 3, 1989·36 cites·16 claims
- 0978US6173898B1Memory card of the contactless typeSCHLUMBERGER SYSTEMS & SERVICE·Filed 1999·Granted Jan 16, 2001·81 cites·11 claims
- 1075US7028910B2Portable object with chip and antennaSCHLUMBERGER SYSTEMS & SERVICE·Filed 2002·Granted Apr 18, 2006·32 cites·10 claims
- 1175US6435415B1Contactless electronic memory cardSCHLUMBERGER SYSTEMS & SERVICE·Filed 1999·Granted Aug 20, 2002·69 cites·20 claims
- 1275US6073483ADevice for measuring the viscosity of a fluidSCHLUMBERGER SYSTEMS & SERVICE·Filed 1998·Granted Jun 13, 2000·45 cites·10 claims
- 1375US4800431AVideo stream processing frame buffer controllerSCHLUMBERGER SYSTEMS & SERVICE·Filed 1986·Granted Jan 24, 1989·52 cites·15 claims
- 1474US4924506AMethod for directly measuring area and volume using binocular stereo visionSCHLUMBERGER SYSTEMS & SERVICE·Filed 1987·Granted May 8, 1990·52 cites·20 claims
- 1573US4905296ASystem for shape recognitionSCHLUMBERGER SYSTEMS & SERVICE·Filed 1988·Granted Feb 27, 1990·54 cites·5 claims
- 1672US6848619B1Micro-controller protected against current attacksSCHLUMBERGER SYSTEMS & SERVICE·Filed 2000·Granted Feb 1, 2005·19 cites·5 claims
- 1771US6745945B1Method for making contactless cards by lamination and contactless card obtained by said methodSCHLUMBERGER SYSTEMS & SERVICE·Filed 2000·Granted Jun 8, 2004·25 cites·4 claims
- 1871US4820944AMethod and apparatus for dynamically controlling the timing of signals in automatic test systemsSCHLUMBERGER SYSTEMS & SERVICE·Filed 1986·Granted Apr 11, 1989·30 cites·15 claims
- 1971US4763288ASystem for simulating electronic digital circuitsSCHLUMBERGER SYSTEMS & SERVICE·Filed 1985·Granted Aug 9, 1988·45 cites·13 claims
- 2070US4837521ADelay line control system for automatic test equipmentSCHLUMBERGER SYSTEMS & SERVICE·Filed 1987·Granted Jun 6, 1989·19 cites·6 claims
- 2169US6840454B1Data transmission method and card thereforSCHLUMBERGER SYSTEMS & SERVICE·Filed 1999·Granted Jan 11, 2005·33 cites·10 claims
- 2268US4754412AArithmetic logic system using the output of a first alu to control the operation of a second aluSCHLUMBERGER SYSTEMS & SERVICE·Filed 1985·Granted Jun 28, 1988·37 cites·14 claims
- 2367US6722571B1Divisible module card which is resistant to bending stressesSCHLUMBERGER SYSTEMS & SERVICE·Filed 2000·Granted Apr 20, 2004·19 cites·10 claims
- 2467US6490646B1Integrated circuit device made secure by means of additional bus linesSCHLUMBERGER SYSTEMS & SERVICE·Filed 1999·Granted Dec 3, 2002·25 cites·6 claims
- 2566US6769064B2System for protecting softwareSCHLUMBERGER SYSTEMS & SERVICE·Filed 2000·Granted Jul 27, 2004·7 cites·7 claims
- 2666US6715678B1Portable reader for reading modules of the mini-card format connection to a personal computerSCHLUMBERGER SYSTEMS & SERVICE·Filed 2000·Granted Apr 6, 2004·14 cites·9 claims
- 2765US4740894AComputing processor with memoryless function units each connected to different part of a multiported memorySCHLUMBERGER SYSTEMS & SERVICE·Filed 1986·Granted Apr 26, 1988·34 cites·11 claims
- 2863US6779718B1Method for authenticating the result of an instruction in a tokenSCHLUMBERGER SYSTEMS & SERVICE·Filed 2000·Granted Aug 24, 2004·12 cites·10 claims
- 2963US6226530B1Method of detecting fraud concerning electronic memory cards used in telephonySCHLUMBERGER SYSTEMS & SERVICE·Filed 2000·Granted May 1, 2001·3 cites·5 claims
- 3063US6216204B1Integrated circuit card comprising files classified in a tree structureSCHLUMBERGER SYSTEMS & SERVICE·Filed 1997·Granted Apr 10, 2001·126 cites·2 claims
- 3161US6301119B1Integrated circuit card with two connection modesSCHLUMBERGER SYSTEMS & SERVICE·Filed 1997·Granted Oct 9, 2001·34 cites·9 claims
- 3261US4864160ATiming signal generatorSCHLUMBERGER SYSTEMS & SERVICE·Filed 1987·Granted Sep 5, 1989·18 cites·46 claims
- 3360US6576991B1Device with integrated circuit protected against attacks made by the controlled destruction of an additional layerSCHLUMBERGER SYSTEMS & SERVICE·Filed 2000·Granted Jun 10, 2003·10 cites·16 claims
- 3458US6202931B1Memory card and method for producing sameSCHLUMBERGER SYSTEMS & SERVICE·Filed 1997·Granted Mar 20, 2001·28 cites·10 claims
- 3558US6104299ADevice for monitoring pollution caused by motor vehicles in an urban areaSCHLUMBERGER SYSTEMS & SERVICE·Filed 1998·Granted Aug 15, 2000·31 cites·6 claims
- 3656US6217685B1Method for inserting an electronic module in a card body with electronic memorySCHLUMBERGER SYSTEMS & SERVICE·Filed 1998·Granted Apr 17, 2001·26 cites·8 claims
- 3754US6411937B1Terminal for communication in an urban environmentSCHLUMBERGER SYSTEMS & SERVICE·Filed 1999·Granted Jun 25, 2002·23 cites·9 claims
- 3853US6281048B1Method of making an electronic component, and an electronic componentSCHLUMBERGER SYSTEMS & SERVICE·Filed 1999·Granted Aug 28, 2001·22 cites·7 claims
- 3951US6101254ASecurity method for making secure an authentication method that uses a secret key algorithmSCHLUMBERGER SYSTEMS & SERVICE·Filed 1997·Granted Aug 8, 2000·28 cites·10 claims
- 4051US4775852AApparatus for compensating digital to analog converter errorsSCHLUMBERGER SYSTEMS & SERVICE·Filed 1987·Granted Oct 4, 1988·12 cites·10 claims
- 4149US7466821B2Secure electronic componentSCHLUMBERGER SYSTEMS & SERVICE·Filed 2002·Granted Dec 16, 2008·5 cites·14 claims
- 4248US4791675AVSP Connectivity pattern recognition systemSCHLUMBERGER SYSTEMS & SERVICE·Filed 1985·Granted Dec 13, 1988·21 cites·15 claims
- 4347US6050388ADevice for selecting objects, particularly coinsSCHLUMBERGER SYSTEMS & SERVICE·Filed 1997·Granted Apr 18, 2000·17 cites·27 claims
- 4445US6779730B2Perforated antenna for an integrated circuit card, and an integrated circuit card including such an antennaSCHLUMBERGER SYSTEMS & SERVICE·Filed 2001·Granted Aug 24, 2004·7 cites·5 claims
- 4544US6676019B2Electronic chip for a portable objectSCHLUMBERGER SYSTEMS & SERVICE·Filed 2001·Granted Jan 13, 2004·3 cites·15 claims
- 4644US6324661B1Method for managing data integrity faults in a re-writeable memorySCHLUMBERGER SYSTEMS & SERVICE·Filed 1997·Granted Nov 27, 2001·32 cites·5 claims
- 4741US6726108B1Device for limiting fraud in an integrated circuit cardSCHLUMBERGER SYSTEMS & SERVICE·Filed 1999·Granted Apr 27, 2004·15 cites·9 claims
- 4841US6695214B1Device with integrated circuit made secure by attenuation of electric signaturesSCHLUMBERGER SYSTEMS & SERVICE·Filed 1999·Granted Feb 24, 2004·10 cites·19 claims
- 4938US2006183500A1Activating an identity module for a communication systemSCHLUMBERGER SYSTEMS & SERVICE·Filed 2003·Application pending·0 cites
- 5037USD460076SConnector device for a smart cardSCHLUMBERGER SYSTEMS & SERVICE·Filed 2000·Granted Jul 9, 2002·4 cites·1 claims
Showing the top 50 of 67 patent records by PatentIndex Score.
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