Inventor · disambiguated record
James Harold Lauffenburger
Also filed as: LAUFFENBURGER JAMES H · LAUFFENBURGER JAMES HAROLD
19 granted patents·3 pending applications·264 citations·filing 1986–2012
95Inventor score
Files withEM MICROELECTRONIC MARIN SA12EM US DESIGN INC3EM MICOELECTRONICS US INC1GROSJEAN SYLVAIN1HONEYWELL INC1
Top patents by PatentIndex Score
22 records- 0185US5432474AFixed and adjustable bandwidth translinear input amplifierHONEYWELL INC·Filed 1994·Granted Jul 11, 1995·40 cites·23 claims
- 0282US7122781B2Method and sensing device for motion detection in an optical pointing device, such as an optical mouseEM MICROELECTRONIC MARIN SA·Filed 2002·Granted Oct 17, 2006·35 cites·37 claims
- 0379US5254957AApparatus and method for amplifying optically sensed signalsINFORMATION STORAGE INC·Filed 1991·Granted Oct 19, 1993·33 cites·44 claims
- 0473US8013841B2Enhanced lift detection technique for a laser illuminated optical mouse sensorEM MICROELECTRONIC MARIN SA·Filed 2006·Granted Sep 6, 2011·7 cites·10 claims
- 0573US6806458B2Method, sensing device and optical pointing device including a sensing device for comparing light intensity between pixelsEM MICROELECTRONIC MARIN SA·Filed 2001·Granted Oct 19, 2004·19 cites·23 claims
- 0673US6657487B2Photodetector preamplifier circuit having a rotating input stageEM US DESIGN INC·Filed 2001·Granted Dec 2, 2003·21 cites·14 claims
- 0772US6396351B1Preamplifier circuit for a photodetectorEM US DESIGN INC·Filed 2001·Granted May 28, 2002·18 cites·5 claims
- 0871US8848770B2Automatic gain control unit for a low power receiver or transceiverEM MICROELECTRONIC MARIN SA·Filed 2012·Granted Sep 30, 2014·3 cites·16 claims
- 0966US6963059B2Method and system for optimizing illumination power and integration time in an optical sensing deviceEM MICROELECTRONIC MARIN SA·Filed 2003·Granted Nov 8, 2005·12 cites·24 claims
- 1065US7161585B2Displacement data post-processing and reporting in an optical pointing deviceEM MICROELECTRONIC MARIN SA·Filed 2003·Granted Jan 9, 2007·11 cites·23 claims
- 1164US5586100ATransversal filter and method for cancelling intersymbol interferenceLITERAL CORP·Filed 1992·Granted Dec 17, 1996·18 cites·42 claims
- 1262US7161586B2Method of operating an optical motion sensing device and optical motion sensing device implementing this methodEM MICROELECTRONIC MARIN SA·Filed 2003·Granted Jan 9, 2007·9 cites·23 claims
- 1361US4794470ASecurity system for protecting informationMEDIA SECURITY INC AND ASSOCIA·Filed 1986·Granted Dec 27, 1988·19 cites·15 claims
- 1458US7839387B2Method, sensing device and optical pointing device including a sensing device for comparing light intensity between pixelsEM MICROELECTRONIC MARIN SA·Filed 2005·Granted Nov 23, 2010·2 cites·24 claims
- 1557US7295183B2Extension of battery life in a battery-powered optical pointing deviceEM MICROELECTRONIC MARIN SA·Filed 2004·Granted Nov 13, 2007·6 cites·21 claims
- 1657US6472942B1Parasitically compensated resistor for integrated circuitsEM US DESIGN INC·Filed 2000·Granted Oct 29, 2002·9 cites·13 claims
- 1744US7358477B2Method of optimization of measurement time for optical mouse sensorEM MICROELECTRONIC MARIN SA·Filed 2006·Granted Apr 15, 2008·0 cites·11 claims
- 1844US2005200593A1Low-battery status indication for a battery-powered pointing deviceEM MICROELECTRONIC MARIN SA·Filed 2004·Application pending·0 cites
- 1942US8294672B2Single fault laser driver control for optical mouseGROSJEAN SYLVAIN·Filed 2006·Granted Oct 23, 2012·0 cites·8 claims
- 2036US2003034540A1Photodetector, photodetecting device and method for controlling the sensitivity profile of a photodetectorEM MICROELECTRONIC MARIN SA·Filed 2001·Application pending·0 cites
- 2132US6556078B2Integrated low-corner frequency high pass filter circuitEM MICOELECTRONICS US INC·Filed 2001·Granted Apr 29, 2003·2 cites·9 claims
- 2230US2002105385A1Preamplifier circuit for a photodetectorFiled 2002·Application pending·0 cites
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