Patents for G01C 3 - Measuring distances in line of sight; Optical rangefinders (8,275)
02/1983
02/16/1983EP0071667A1 Device for determining the real or the virtual distance of a source of light from a measuring plane
02/16/1983EP0071656A1 Method and apparatus for measuring distances or heights
02/15/1983US4373805 Laser altimeter and probe height sensor
02/15/1983US4373804 Method and apparatus for electro-optically determining the dimension, location and attitude of objects
02/01/1983US4371261 Range finder
01/1983
01/25/1983US4370724 Circuit for the sensor controlled distance measurement
01/18/1983US4368978 Image scanning system
01/04/1983US4367534 Circuit for sensor-controlled telemetry
12/1982
12/14/1982US4363962 Focussing apparatus with plural emitter-detector pairs
12/14/1982CA1137598A1 Device for contact-free thickness or interval measurement
11/1982
11/16/1982US4359636 Detector balance apparatus and method employing selective masks
11/09/1982US4358674 Steered low cost auto focus system
11/09/1982US4358673 Steered sum low cost auto focus system
11/02/1982US4357085 Focus detection device
10/1982
10/26/1982US4355904 Optical inspection device for measuring depthwise variations from a focal plane
10/06/1982EP0061937A1 Adjustable photoelectric detector head for solid state limit switch
10/05/1982US4352556 Reflector for electrooptical distance measurement
09/1982
09/14/1982US4349274 Optical triangulation apparatus and method
08/1982
08/31/1982US4346989 Surveying instrument
08/31/1982US4346988 Distance measuring device
08/24/1982US4346293 Optical electronic distance sensor with a parallel beam of light and adjustable detector-emitter separation
08/24/1982US4345827 Distance-measuring system with in-range signalling for use with cameras, alarms, and the like
08/11/1982EP0057259A1 Circuit for binary coding sensor signals from a number of optoelectronic sensor elements, and method for its operation
07/1982
07/27/1982US4341447 Infrared camera ranging system
07/13/1982EP0047250A4 Dimension measuring apparatus.
07/06/1982US4338515 Analog-digital converter for the evaluation of the output signal of an optoelectronic sensor element
07/06/1982US4338012 Focusing screen
07/06/1982CA1126944A1 Photoelectric rangefinding system using charge transfer devices
06/1982
06/15/1982US4335317 Circuit for sensor-controlled telemetry
06/15/1982US4335306 Surveying instrument
06/08/1982US4334151 Circuit provided with an exposure measuring part for sensor-controlled telemetry
06/08/1982US4334150 Circuit with an exposure measuring unit for sensor controlled range measurement
06/08/1982US4333716 Focus detection system
06/01/1982US4333106 Method of measuring firing misses and firing miss-measuring installation for the performance of the method
05/1982
05/25/1982US4331975 Instrumentation for surveying underground cavities
05/25/1982US4331864 Apparatus for detecting an in-focused condition of optical systems
05/18/1982US4330202 Range detecting device
04/1982
04/01/1982WO1982001075A1 Ocean depth sounding from the air by laser beam
03/1982
03/23/1982US4321683 Measuring system for alignment and measurement with an electronic tachymeter
03/17/1982EP0047250A1 Dimension measuring apparatus.
03/16/1982US4320302 Method for the automatic or semiautomatic distance measurement and focusing of the image of an object onto a focal plane
03/02/1982US4317991 Digital auto focus system utilizing a photodetector array
03/02/1982CA1119035A1 Camera range determination system
02/1982
02/23/1982US4316657 Apparatus for electrically detecting focal point of cameras or the like optical devices
02/16/1982US4315644 Multishell pipe bend
02/09/1982US4315159 Optical sensor device with reduction of ambient light effects
02/09/1982US4314760 Optical sensing device
02/02/1982US4314150 Apparatus for detecting the in-focusing conditions
01/1982
01/05/1982US4309103 Device for contact-free thickness or interval measurement
12/1981
12/15/1981US4305657 Range finding device
12/15/1981US4305209 Adaptor
12/08/1981US4304487 Range finder for still or moving picture cameras
12/01/1981US4303981 Distance measuring arrangement
12/01/1981US4303335 Automatic distance measuring device
11/1981
11/25/1981EP0009496B1 Multiple wall angle connection
11/24/1981US4302084 Automatic rangefinding device for use in a camera
11/17/1981US4300824 Signal processing circuitry for a distance measuring system
11/03/1981US4298258 Distance measuring device
09/1981
09/30/1981EP0036803A1 Apparatus for determining the position
09/29/1981US4292514 Apparatus for, and method for, achieving a temperature compensation of an avalanche photodiode
09/22/1981US4290693 Arrangement for measuring the range or speed of an object
09/17/1981WO1981002628A1 Dimension measuring apparatus
09/16/1981EP0035794A1 Opto-electronic distance measuring arrangement
09/01/1981EP0027822A4 Laser altimeter and probe height sensor.
08/1981
08/25/1981CA1107860A1 Range detecting method and apparatus
08/18/1981US4284335 Focus detecting apparatus
08/11/1981US4283137 Image scanning system
08/04/1981US4282430 Reflection-type photoelectric switching apparatus
07/1981
07/28/1981CA1106063A1 Distance determining and automatic focusing apparatus with false peak discrimination
07/21/1981US4279484 Apparatus for measuring a range to a subject
07/08/1981EP0031680A2 Focusing apparatus
06/1981
06/23/1981US4274735 Distance measuring device
06/11/1981WO1981001610A1 Automatic range finder
06/09/1981US4271829 Endoscope with distance measuring device
06/09/1981CA1102595A1 Reflective lens system
06/02/1981CA1102428A1 Object position and surface determining methods and apparatus
05/1981
05/26/1981US4269491 Distance information judging circuit for focus detecting apparatus
05/12/1981US4267440 Focus detecting system
05/06/1981EP0027822A1 Laser altimeter and probe height sensor
04/1981
04/28/1981US4263719 Optical sighting devices
04/15/1981EP0026834A2 Analog-digital converter for the evaluation of the output signal of an optoelectronic sensor element, and method of operating it
03/1981
03/31/1981US4259688 TV camera
03/31/1981US4259009 Far field target designators
03/24/1981US4257704 Distance measuring finder
03/18/1981EP0025175A2 Circuit for sensor controlled distance measurement provided with a light measuring means
03/18/1981EP0025174A2 Circuit for sensor controlled distance measurement
03/18/1981EP0025172A2 Circuit for sensor controlled distance measurement
03/18/1981EP0025171A2 Circuit for sensor controlled distance measurement provided with a light measuring means
03/18/1981EP0025170A2 Circuit for sensor controlled distance measurement
03/10/1981US4255654 Method of electrically detecting focal point of cameras or the like optical devices
02/1981
02/03/1981US4249073 Method and apparatus for determining focus position
02/03/1981US4248532 Electro-optical distance-measuring system
02/03/1981US4248496 Riflescope with data display in field of view
01/1981
01/27/1981US4247763 Grid scan range finding apparatus
01/27/1981US4247761 Arrangement for focusing the image of an object onto an image plane
01/27/1981US4247203 Automatic photomask inspection system and apparatus
01/20/1981US4246476 Automatic focusing apparatus for use with a plurality of lenses
01/07/1981EP0020879A1 Optical electronic distance sensor
12/1980
12/23/1980US4240745 Imagery with constant range lines
11/1980
11/13/1980WO1980002455A1 Laser altimeter and probe height sensor
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