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Inventor

DOUGLAS FRANK BEARD

US11 patents
⚠️ This page may combine multiple inventors who share the name “DOUGLAS FRANK BEARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TRIMBLE NAVIGATION LTD

6 patents
US7372011B2May 13, 2008

Strobe light and laser beam detection for laser receiver having a comparison of variation in energy levels among photodetectors

TRIMBLE NAVIGATION LTD20 citations92
US7119316B2Oct 10, 2006

Strobe light and laser beam detection for laser receiver

TRIMBLE NAVIGATION LTD23 citations92
US7030361B2Apr 18, 2006

Receiver circuit with “M” sectors each with “N” channels

TRIMBLE NAVIGATION LTD18 citations92
US6873413B2Mar 29, 2005

Laser receiver using pin diode photodetector elements

TRIMBLE NAVIGATION LTD23 citations92
US6762575B2Jul 13, 2004

Electronic rotor pointing with high angular resolution

TRIMBLE NAVIGATION LTD24 citations92
US7227121B2Jun 5, 2007

Receiver circuit with “m” sectors each with “n” channels

TRIMBLE NAVIGATION LTD4 citations62

SPECTRA PRECISION INC

2 patents
US5867522AFeb 2, 1999

Autofocusing system for a laser transmitter

SPECTRA PRECISION INC15 citations71
US5844679ADec 1, 1998

System for adjusting the orientation of a plane of laser light

SPECTRA PRECISION INC13 citations71

CATERPILLAR TRIMBLE CONTROL

1 patent
US7650252B2Jan 19, 2010

Inclinometer measurement system and method providing correction for movement induced acceleration errors

CATERPILLAR TRIMBLE CONTROL37 citations91

DOUGLAS FRANK BEARD

1 patent
US8634991B2Jan 21, 2014

Grade control for an earthmoving system at higher machine speeds

DOUGLAS FRANK BEARD37 citations90

SPECTRA PREC INC

1 patent
US6384913B1May 7, 2002

Active compensator damping in laser transmitters

SPECTRA PREC INC26 citations88