Inventor · disambiguated record
Frank Beard Douglas
Also filed as: DOUGLAS FRANK B · DOUGLAS FRANK BEARD
17 granted patents·1 pending application·397 citations·filing 1997–2010
95Inventor score
Files withTRIMBLE NAVIGATION LTD12SPECTRA PRECISION INC2CATERPILLAR TRIMBLE CONTROL1DOUGLAS FRANK BEARD1SPECTRA PREC INC1
Top patents by PatentIndex Score
18 records- 0194US8634991B2Grade control for an earthmoving system at higher machine speedsDOUGLAS FRANK BEARD·Filed 2010·Granted Jan 21, 2014·37 cites·15 claims
- 0292US7650252B2Inclinometer measurement system and method providing correction for movement induced acceleration errorsCATERPILLAR TRIMBLE CONTROL·Filed 2008·Granted Jan 19, 2010·37 cites·16 claims
- 0387US7372011B2Strobe light and laser beam detection for laser receiver having a comparison of variation in energy levels among photodetectorsTRIMBLE NAVIGATION LTD·Filed 2006·Granted May 13, 2008·20 cites·14 claims
- 0482US6643004B2Versatile transmitter and receiver for position measurementTRIMBLE NAVIGATION LTD·Filed 2002·Granted Nov 4, 2003·44 cites·56 claims
- 0581US6762575B2Electronic rotor pointing with high angular resolutionTRIMBLE NAVIGATION LTD·Filed 2002·Granted Jul 13, 2004·24 cites·41 claims
- 0679US6750953B1Position detecting laser receiverTRIMBLE NAVIGATION LTD·Filed 2003·Granted Jun 15, 2004·41 cites·32 claims
- 0772US7119316B2Strobe light and laser beam detection for laser receiverTRIMBLE NAVIGATION LTD·Filed 2004·Granted Oct 10, 2006·23 cites·28 claims
- 0872US7064819B2Versatile transmitter and receiver for position measurementTRIMBLE NAVIGATION LTD·Filed 2005·Granted Jun 20, 2006·8 cites·14 claims
- 0971US7019278B2Laser receiver using multiple arrays of photodetector elementsTRIMBLE NAVIGATION LTD·Filed 2003·Granted Mar 28, 2006·26 cites·14 claims
- 1069US7262569B2Electronic rotor pointing with high angular resolutionTRIMBLE NAVIGATION LTD·Filed 2004·Granted Aug 28, 2007·20 cites·30 claims
- 1169US6873413B2Laser receiver using pin diode photodetector elementsTRIMBLE NAVIGATION LTD·Filed 2001·Granted Mar 29, 2005·23 cites·22 claims
- 1268US7030361B2Receiver circuit with “M” sectors each with “N” channelsTRIMBLE NAVIGATION LTD·Filed 2004·Granted Apr 18, 2006·18 cites·18 claims
- 1367US7227121B2Receiver circuit with “m” sectors each with “n” channelsTRIMBLE NAVIGATION LTD·Filed 2006·Granted Jun 5, 2007·4 cites·22 claims
- 1464US6870608B2Versatile transmitter and receiver for position measurementTRIMBLE NAVIGATION LTD·Filed 2003·Granted Mar 22, 2005·18 cites·25 claims
- 1556US6384913B1Active compensator damping in laser transmittersSPECTRA PREC INC·Filed 1999·Granted May 7, 2002·26 cites·19 claims
- 1649US5867522AAutofocusing system for a laser transmitterSPECTRA PRECISION INC·Filed 1997·Granted Feb 2, 1999·15 cites·48 claims
- 1737US5844679ASystem for adjusting the orientation of a plane of laser lightSPECTRA PRECISION INC·Filed 1997·Granted Dec 1, 1998·13 cites·61 claims
- 1832US2001038447A1Versatile transmitter and receiver for position measurementFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →