Patents for G01V 8 - Prospecting or detecting by optical means (8,157)
06/1997
06/05/1997DE19611195C1 Operating light barrier with at least two synchronously operated transmitter/receiver pairs
06/05/1997DE19544632A1 Opto-electronic system for detecting objects in surveillance area e.g. of textile production
06/04/1997EP0776257A2 Determination of characteristics of material
06/03/1997US5635724 Method and apparatus for detecting the location of an object on a surface
06/03/1997US5634846 Object detector for air conditioner
05/1997
05/22/1997CA2572470A1 Confocal-reflection streak lidar apparatus with strip-shaped photocathode, for application at a wide range of scales
05/15/1997WO1997017278A1 Switching arrangement for returning a people-conveying device to a state of readiness
05/15/1997DE19541410A1 Wiederbereitschaftsschalteinrichtung für Personenförderanlagen Recovery switching device for passenger transport installations
05/14/1997EP0772788A1 Process and device for eliminating interference signals in a light barrier
05/14/1997EP0664012B1 Method and apparatus for classifying movement of objects along a passage
05/07/1997DE19621120C1 Opto electronic device for detecting object in security zone
05/07/1997CN2253835Y Pocket ultroviolet lamp
05/02/1997EP0770403A2 Drop detection method and apparatus
04/1997
04/30/1997CN1148693A Negative detecting method for photo-detecting device for picture treatment machine
04/17/1997WO1997013664A1 Optical detection system in a car-wash
04/16/1997EP0768545A2 Method for operating a light sensor
04/16/1997EP0768092A2 Drop detection method and apparatus
04/16/1997EP0767944A1 Infrared sensor and method for making same
04/12/1997WO1997046071A1 Sucked material detector, sucked material detecting method using the same detector, shift detecting method using the same detector, and cleaning method using the same detector
04/10/1997DE19537428A1 Optisches Erfassungssystem Optical detection system
04/09/1997EP0766887A1 Self-illuminating touch activated optical switch
03/1997
03/26/1997CN1146010A Infrared sensing device and method of sensing human body by the same
03/25/1997US5614709 Method for accurately counting conveyed workpieces regardless of variations in conveyor speed
03/13/1997WO1997009611A1 Termite detection system
03/12/1997EP0760937A1 Method and apparatus for optical logging
03/12/1997EP0705186B1 Device for controlling a windscreen-washer installation
03/06/1997WO1997008524A1 Thermal emitted radiation detecting device
03/06/1997DE19531660A1 Reflection optical barrier for measurement of rotational speed
03/05/1997EP0760147A1 Anti counterfeit apparatus and method
03/05/1997EP0760105A1 Proximity detectors
03/05/1997EP0715743A4 Panoramic surveillance system
03/04/1997US5608209 Method and apparatus for measuring motion amount of a laboratory animal
03/04/1997US5608207 Sensor with automatic gain control
03/01/1997CA2157237A1 Thermal emitted radiation detecting device
02/1997
02/27/1997WO1997007417A1 Functional control device for photoelectric barriers
02/27/1997DE19530601A1 Vorrichtung zur Funktionskontrolle von Lichtschranken Apparatus for functional control of light barriers
02/20/1997WO1997006016A1 Monitoring of covert marks
02/20/1997CA2228514A1 Monitoring of covert marks
02/19/1997CN1143191A Toilet room sensor assembly
02/18/1997US5604582 Methods and apparatus for taking spectroscopic measurements of sediment layers beneath a body of water
02/18/1997US5604534 Direct digital airborne panoramic camera system and method
02/13/1997WO1997005507A1 Detector
02/04/1997US5600253 Electromagnetic wave reflective type, low cost, active proximity sensor for harsh environments
01/1997
01/30/1997WO1997003012A1 Optoelectronic sensor and weft yarn measurement and feeding equipment
01/27/1997CA2154714A1 Breast cancer detection, imaging, and screening by electromagnetic millimeter waves
01/23/1997WO1997001954A1 Process for locating an object
01/22/1997CN1141079A Detection of counterfeit articles
01/22/1997CN1140833A Coaxial electro-optical distance meter
01/21/1997US5596310 Received light level indicating system for beam sensor
01/16/1997DE19525260A1 Optoelektronische Steuervorrichtung und Schußfaden-Meßspeichergerät Photoelectric control device and weft measuring and storing device
01/16/1997DE19523676A1 Verfahren zum Orten eines Objektes A method of locating an object
01/15/1997EP0752937A1 Rain sensor
01/14/1997USRE35422 Apparatus and method for controlling a windshield wiping system
01/14/1997US5594654 Beneficial insect counting and packaging device
01/02/1997EP0750741A1 Apparatus for surface measurement of a print product
01/02/1997DE19615601A1 Electro=optic coaxial rangefinder with double prism
01/02/1997DE19549384A1 Optical switch with optical transmission line
01/02/1997DE19523843C1 Detecting objects in monitoring region of car assembly plant
12/1996
12/31/1996CA2106540C Calcification circuit for drip coffeemakers
12/27/1996EP0750206A2 Optical switch
12/27/1996EP0477366B1 Method of setting teaching data in a visual sensor system
12/25/1996CN1138842A Rain sensor
12/18/1996EP0748455A1 Triangular position detection method and apparatus
12/18/1996CN1138248A Proximity detector
12/17/1996US5585887 Method of detecting a film with optical detecting means in photographic processor
12/17/1996CA2129940C Cable-locating apparatus and method
12/12/1996DE19519817A1 Housing for sensor with transmitter element emitting sensor beam
12/11/1996EP0747854A2 Method and apparatus for detecting containers on a conveyor
12/11/1996EP0747569A2 Down-hole tool and method for providing images of earth formations on a microscopic scale
12/10/1996US5583334 Method and apparatus for the detection of defective light transmitters and/or receivers of a light grid for detecting objects in a surveillance area
12/10/1996US5582663 Infrared adhesive bead detector
12/10/1996CA2092649C Human body detection system
12/05/1996WO1996038742A1 Process and device for eliminating interference signals in a light barrier
12/05/1996DE19520242A1 Opto-electric sensor for detecting movement in monitored space
11/1996
11/28/1996WO1996038003A1 Direct digital airborne panoramic camera system and method
11/27/1996EP0744019A1 Circuit arrangement for receiving light signals
11/26/1996US5578825 Infrared ray sensor driving circuit
11/21/1996WO1996036889A1 Seed planter monitoring system with fiber-optic sensors
11/21/1996DE19517239A1 Billiard or snooker ball detector
11/14/1996DE19516188A1 Powder density measuring device for dusty printed item
11/13/1996EP0742448A2 Electromagnetic wave reflective type, low cost, active proximity sensor for harsh environments
11/07/1996WO1996035037A1 Power driven venting of a vehicle
10/1996
10/31/1996WO1996027808A3 Method and apparatus for detecting the presence and location of objects in a field
10/30/1996EP0740416A1 Learning proximity detector
10/30/1996EP0740164A1 Toilet room sensor assembly
10/29/1996US5569910 Photodetector system for detecting obstacles in aisles between mobile shelving carriages
10/22/1996US5567942 For sensing a position of an objecting a certain space
10/22/1996US5567932 Geomembrane barriers using integral fiber optics to monitor barrier integrity
10/22/1996US5567931 Variable beam detection using a dynamic detection threshold
10/22/1996US5567052 Temperature distribution measurement apparatus
10/17/1996DE19522166C1 Optical switch, e.g. for explosion protection
10/16/1996EP0737308A1 Optical sensor for detection of chemical species
10/15/1996US5565686 Method and apparatus for detecting the presence and location of objects in a field via scanned optical beams
10/15/1996US5565683 Heat source detector
10/02/1996EP0734877A2 Alignment system for multiple color pen cartridges
10/02/1996CN1132178A Variable beam detection
09/1996
09/26/1996DE19512235A1 Rail contact unit in railway protection system using light barrier principle
09/25/1996EP0733219A1 Method and apparatus for background determination and subtraction for a monocular vision system
09/24/1996US5559664 Electromechanical relay system
09/19/1996WO1996028707A1 Position measuring instrument
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