Patents for G01C 3 - Measuring distances in line of sight; Optical rangefinders (8,275)
10/1992
10/27/1992CA1309490C Method for the three-dimensional surveillance of the object space
10/20/1992US5157487 Distance information obtaining device
10/14/1992CN1065329A Method of optical measure distance and apparatus of same
10/13/1992US5155347 Object detector for an optical instrument
09/1992
09/30/1992EP0505717A2 Method and apparatus for optically measuring distance
09/29/1992US5151608 Optical distance sensor using a laser beam and processing means
09/29/1992CA1308179C Device for the selective detection of objects
09/23/1992CN2116889U Level collimation axes measuring device
09/22/1992US5149980 Substrate advance measurement system using cross-correlation of light sensor array signals
09/22/1992CA1307663C Opto-electronic angle measurement system
09/15/1992US5148209 Passive ranging and rapid autofocusing
09/15/1992US5148011 Distance measuring apparatus using integration of reflected light and obtaining a plurality of distance signals
09/08/1992US5146290 Process and apparatus for determining the position of an object
09/02/1992EP0501345A2 Motor car traveling control device
08/1992
08/26/1992EP0500017A1 Guard rail detecting device
08/19/1992CN1063758A Miniature projective measuring instrument
08/18/1992US5139327 Vehicle following apparatus with a distance measuring function
08/12/1992EP0498495A1 Device for optically measuring the height of a surface
08/05/1992EP0497683A1 Distance measuring method and apparatus
08/04/1992US5135309 Method and apparatus for non-contact measuring of object surfaces
08/04/1992US5135308 Method and apparatus for non-contact measuring of object surfaces
07/1992
07/29/1992EP0496411A2 Distance detecting apparatus for a vehicle
07/22/1992EP0140972B1 Three-dimensional distance-measuring device
07/21/1992US5131740 Distance measuring apparatus
07/14/1992US5130529 Semiconductor optical position sensing device
07/09/1992WO1992011508A1 Object location system
07/01/1992EP0492723A1 Device for optically measuring the height of a surface
06/1992
06/30/1992US5125735 Automatic multi-point distance measuring device
06/09/1992CA1302700C Method and apparatus for optical distance measurement
06/04/1992DE4109403A1 Tracking control of railway vehicle using laser triangulation sensors - detecting incorrect bogie wheel tracking by reflection and generating correction pulses
06/03/1992EP0488392A1 Distance measuring apparatus
05/1992
05/27/1992EP0487100A1 Vehicle following apparatus
05/12/1992US5112130 Apparatus and method for measuring relative displacement of objects
05/12/1992CA1300369C Distance measuring device
04/1992
04/30/1992WO1992007233A1 Method and apparatus for three-dimensional non-contact shape sensing
04/30/1992CA2094039A1 Method and apparatus for three-dimensional non-contact shape sensing
04/28/1992US5109161 Light emitter and optical system for a distance measuring device
04/22/1992EP0481387A2 Photosensor device
04/22/1992EP0481278A1 Method and measuring device for locating points in space
04/21/1992US5107449 Distance measuring device
04/15/1992CN2101847U Multifunctional range finder
03/1992
03/25/1992EP0282517B1 Apparatus for determining the real or virtual distance of a light source from a measurement plane
03/24/1992US5099266 Range meter for camera
03/11/1992EP0474445A1 Autofocusing device and projection exposure apparatus with the same
03/11/1992EP0474067A2 Distance detecting apparatus
03/11/1992EP0473945A2 Apparatus for detecting distance between cars
03/05/1992WO1992003702A1 Optical ranging apparatus
03/05/1992DE4026956A1 Video camera for work intensity image - has beam splitter between objective lens and image converter, and phototransmitter elements
02/1992
02/26/1992EP0379575A4 Method and apparatus for determining k factor and depth measurements
02/23/1992CA2296837A1 Collision avoidance system
02/19/1992EP0471196A2 Image analysis method
02/18/1992WO1992003701A1 Spatial positioning system
02/18/1992CA1296083C Non-contact sensing and controlling of spacing between a depositing tip and each selected depositing location on a substrate
02/18/1992CA1295829C Optical measuring device
02/11/1992US5087935 Active external distance measuring system having an optical device in the light projection and light receiving paths to reduce parallax
01/1992
01/29/1992EP0468302A2 Device for the optical measurement of lengths
01/21/1992US5082362 Zoom lens for a variable depth range camera
01/15/1992EP0466277A1 Passive ranging and rapid autofocusing
01/15/1992EP0465863A2 Distance detecting apparatus and method for a vehicle
01/15/1992EP0465806A2 Charge integration range detector
01/15/1992EP0465584A1 An arrangement for performing position determination.
01/15/1992EP0424409A4 Range finding device
01/14/1992US5081344 Distance measuring device using both active and passive distance detection modes
01/08/1992EP0174360B1 Spatial imaging system
12/1991
12/31/1991US5076687 Optical ranging apparatus
12/19/1991DE4019214A1 Distance measurement between object and moving device - is e.g. for automatic vehicle control, by using video imaging of two points at fixed distance apart on object
12/17/1991CA1293313C Optical type displacement measuring apparatus
12/03/1991US5069543 Apparatus for measuring distances at many points
11/1991
11/27/1991EP0458752A2 Method for measuring the angle of incidence of a light beam, measuring device for carrying out the method, and distance measuring device utilising same
11/27/1991EP0458283A1 Distance information obtaining device
11/26/1991US5068540 Distance measuring apparatus having automatic gain control
10/1991
10/31/1991WO1991012491A3 Electro optical apparatus
10/31/1991DE4112714A1 Image processing system for comparing image patterns - forms voltage corresp. to cumulative absolute value of differences of corresp. element signals of stored image patterns
10/30/1991CN2087769U Piano wrest pin for repairing
10/29/1991US5061062 Focus spot size controller for a variable depth range camera
10/16/1991EP0451474A2 Procedure and device to measure without contact the surface contours of an object
10/15/1991US5056914 Charge integration range detector
10/08/1991US5054926 Distance measuring device
10/08/1991US5054917 Automatic boresighting device for an optronic system
10/08/1991US5054912 Optical distance-measuring device
09/1991
09/17/1991US5049757 Method for scanning a plurality of optical measuring reflectors and an apparatus for performing the method
09/11/1991EP0445618A2 Device and procedure to measure without contact the surface-contour of an object
09/04/1991EP0308466A4 Distance measuring device
08/1991
08/28/1991EP0443137A2 Method for three-dimensional lightoptical measuring of objects and device to execute the method
08/27/1991US5043564 Dual integration type electro-optical distance measuring device wherein the first integration time is reverse integrated
08/13/1991US5039217 Optical transceiver apparatus for detecting distance between two cars
08/10/1991WO1991012491A2 Electro optical apparatus
08/10/1991CA2049048A1 Electro optical apparatus
08/09/1991CA2009711A1 Electro optical apparatus
07/1991
07/31/1991EP0439011A2 Distance measurement device
07/25/1991WO1991010878A1 Distance indicator
07/19/1991CA2034068A1 Method for the three-dimensional-optical measuring of objects and apparatus for performing such method
07/16/1991US5032023 Optical fiber based sensor for a variable depth range camera
07/16/1991CA1286103C Distance measuring method and means
07/11/1991DE4040758A1 Range meter for camera - has irradiation beam projector, light receiving device, arithmetic device, A=D converter and main control unit
07/11/1991DE4040757A1 Range meter for automatic focusing camera - has array of light projectors and photo diode array producing output signal corresp. to position at which light is received
07/02/1991US5027521 Surveying apparatus
06/1991
06/11/1991CA1284834C Laser probe
06/05/1991EP0430698A2 Focus detecting apparatus
06/04/1991US5020902 Rangefinder with heads-up display
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