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Distance measuring device

US7327440 - Feb 05, 2008

Laser grid for measuring distance

US7034950 - Apr 25, 2006

System and method of light spot position and color detection

US7022966 - Apr 04, 2006

Apparatus and method for measuring a workpiece

US6806968 - Oct 19, 2004

Cloud sensor

US20040135989 - Jul 15, 2004

Rangefinder device and camera

US6522394 - Feb 18, 2003

Distance measuring device

US6522393 - Feb 18, 2003

Opto-electronic distance sensor and method for the opto-electronic distance measurement

US6492652 - Dec 10, 2002

Optical traingulation displacement sensor using a diffraction grating

US6433857 - Aug 13, 2002

Three-dimensional object measurement process and device

US6359680 - Mar 19, 2002

Digital range sensor system

US6353478 - Mar 05, 2002

Distance measuring apparatus

US6330055 - Dec 11, 2001

Positional measurement with normalized signal processing

US6317200 - Nov 13, 2001

Device for the measurement of distances or of the angle of incidence of a light beam

US6133988 - Oct 17, 2000

Adjustment of sensor geometry model parameters using digital imagery co-registration process to reduce errors in digital imagery geolocation data

US5995681 - Nov 30, 1999

Distance measuring system

US5963309 - Oct 05, 1999

Method and apparatus for optimizing sub-pixel resolution in a triangulation based distance measuring device

US5905567 - May 18, 1999

Method and apparatus for electro optically determining the dimension, location and attitude of objects

US5866915 - Feb 02, 1999

Method and arrangement for target seeking

US5828057 - Oct 27, 1998

Distance measurement apparatus

US5808726 - Sep 15, 1998

Photoelectric displacement detector having movable detecting elements

US5756987 - May 26, 1998

Two-dimensional rangefinding sensor

US5754280 - May 19, 1998

Range finding apparatus

US5751406 - May 12, 1998

Swing angle measuring apparatus for swing free operation of crane

US5729339 - Mar 17, 1998

Range finder apparatus

US5719663 - Feb 17, 1998

Active trigonometrical distance measuring apparatus with delay circuits

US5640005 - Jun 17, 1997

Method and apparatus for optimizing sub-pixel resolution in a triangulation based distance measuring device

US5627635 - May 06, 1997

Laser ranging system calibration device

US5606409 - Feb 25, 1997

Distance measuring device

US5541723 - Jul 30, 1996

Active distance measuring apparatus

US5534991 - Jul 09, 1996

Distance measuring device having light receiving areas of different sizes

US5457525 - Oct 10, 1995

Object detector utilizing a threshold detection distance and suppression means for detecting the presence of a motor vehicle

US5354983 - Oct 11, 1994

Distance-measuring device for use with camera

US5323222 - Jun 21, 1994

Digitally active distance measurement apparatus for camera or the like

US5294802 - Mar 15, 1994

Time-multiplexed multi-zone rangefinder

US5245398 - Sep 14, 1993

Method and apparatus for electro-optically determining the dimension, location and attitude of objects including light spot centroid determination

US5164579 - Nov 17, 1992

Autofocusing apparatus utilizing intermittent light projection

US5138358 - Aug 11, 1992

Non-linear displacement sensor based on optical triangulation principle

US5113080 - May 12, 1992 Owned by: Claimed by:

Method and apparatus for monitoring the surface profile of a moving workpiece

US5056922 - Oct 15, 1991

Laser range imaging system based on projective geometry

US4979815 - Dec 25, 1990

Distance measuring device with plural differing reference voltages

US4976537 - Dec 11, 1990

Variable depth range camera

US4963017 - Oct 16, 1990

Scanning intrusion detection device

US4952911 - Aug 28, 1990

Distance measuring apparatus of a camera

US4947202 - Aug 07, 1990

Fiber optic triangulation gage

US4943157 - Jul 24, 1990

Spatial filter type speed measuring apparatus

US4921345 - May 01, 1990

Automatic bof vessel remaining lining profiler and method

US4893933 - Jan 16, 1990

Distributed proximity sensor system having embedded light emitters and detectors

US4893025 - Jan 09, 1990

Off-axis high accuracy structured light profiler

US4875777 - Oct 24, 1989

Light projector for a distance measuring device

US4868593 - Sep 19, 1989

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Distance measuring (14)

Sensor (8)

Method and apparatus (6)