Patents for G01V 8 - Prospecting or detecting by optical means (8,157)
03/1995
03/21/1995US5399851 Failsafe sensing edge for automatic doors and gates having a U-shaped outer covering and an elongated actuating member
03/16/1995WO1995007471A1 Method and apparatus for detecting the presence and location of an object in a field
03/15/1995EP0643294A1 Method and device for the detection of foreign matter in textile materials
03/09/1995DE4330166A1 Method for operating a light-barrier device, and apparatus comprising at least one light barrier
03/02/1995WO1995006303A1 Panoramic surveillance system
02/1995
02/28/1995US5393973 Optical sensing arrays employing misaligned squinted optical axes compared to aligned axes
02/23/1995WO1995005612A1 Entropy based signal transmission, reception and signal analysis method and apparatus
02/23/1995CA2169832A1 Entropy based signal transmission, reception and signal analysis method and apparatus
02/22/1995EP0639824A2 High resolution key sensor incorporated in keyboard musical instrument
02/21/1995US5392046 Entropy based signal, transmission, reception and signal analysis method and apparatus
02/14/1995US5389790 Technique for detecting and identifying certain objects
02/09/1995WO1995004293A1 Method of finding hydrocarbon deposits
02/09/1995DE4326099A1 Light barrier system
02/03/1995CA2127139A1 Fiber optic implementation of the optimized color densitometer
01/1995
01/26/1995WO1995002833A1 Light curtain
01/26/1995DE4324590A1 Method for regulating the response sensitivity of a light barrier arrangement
01/25/1995EP0635151A1 Method of determining the interior points of an object in a background
01/24/1995US5384716 Occupant condition determining apparatus
01/19/1995DE4323910A1 Light barrier with evaluation electronics for recognising spurious signals
01/19/1995DE4323902A1 Photoelectric device equipped with at least one light emitter and/or light detector
01/17/1995US5382785 Laser beam delivery path and target proximity sensor
01/12/1995WO1995001270A1 Device for controlling a windscreen-washer installation
01/12/1995DE4411773A1 Device for controlling a window wiping system
01/12/1995DE4411772A1 Device for controlling a window wiping system
01/12/1995DE4411770A1 Device for controlling a window wiping system
01/12/1995DE4403221A1 Arrangement for measuring or detecting a change in a back-scattering element
01/12/1995DE4339575A1 Evaluation device
01/12/1995DE4339573A1 Evaluation device
01/11/1995EP0633554A1 Infrared sensor apparatus
01/10/1995CA2056955C Method of detecting pre-spotting when dispensing sample
01/04/1995EP0632290A1 Apparatus and method for touch-free control of waterflow in a sanitary installation
01/04/1995EP0378669B1 Imaging lidar system
12/1994
12/31/1994CA2124635A1 Device and process for the contactless control of the flow of water in a sanitary appliance
12/28/1994EP0631110A1 Object reflector detecting apparatus
12/22/1994WO1994029755A1 Detector systems
12/22/1994WO1994028764A1 Bi-directional motion sensor for mobile storage systems
12/21/1994EP0629976A2 Compact disc counter
12/20/1994US5375177 Method of identifying and characterizing a valid object by color
12/14/1994EP0628189A1 Adaptive display system
12/14/1994EP0628188A1 Method of identifying and characterizing a valid object by color
12/13/1994US5372545 Ventilator with a sensor
12/08/1994WO1994028395A1 Optical sensor for detection of chemical species
12/06/1994US5371810 Method of determining the interior points of an object in a background
12/06/1994US5371583 Roller breakage detector for roller hearth kilns
12/06/1994US5371358 Method and apparatus for radiometric calibration of airborne multiband imaging spectrometer
12/06/1994US5370387 Golf ball/fluorescent object locator
12/01/1994DE4317931A1 Explosion-protected (hazardous-duty) light barrier
11/1994
11/30/1994EP0626213A2 Method and device for sorting waste mixtures
11/29/1994US5369398 Circuit for detecting calcification in a coffee maker
11/29/1994US5369269 Human body detection system
11/29/1994US5369252 Cooking appliance and method with a light sensor
11/22/1994US5367158 Photoelectric switch for use with a machine control circuit
11/15/1994US5365062 Photoelectric sensor assembly with transparent housing an integrally molded lens
11/09/1994EP0623829A1 Method and device of controlling the transmitter current of sensor arrangements
11/09/1994EP0623808A2 Optoelectronic sensor device
11/09/1994EP0623236A1 Protective device for monitoring and securing access areas in stores
11/03/1994DE4314198A1 Device for monitoring the surface of a body of water with respect to pollution
11/02/1994EP0622195A2 Drop detection circuit
11/02/1994EP0621946A1 Apparatus and method for textile sample testing
10/1994
10/27/1994WO1994024585A1 Cross-aisle photo-detector for mobile storage system
10/27/1994DE4312692A1 Optical sensor device
10/25/1994US5359191 Cross-aisle photo-detector for mobile storage system having a light detector mounted to the movable storage unit
10/20/1994DE4343457C1 Optoelectronic device for detecting transparent objects
10/11/1994US5354995 Substrate detecting device for detecting the presence of a transparent and/or an opaque substrate by output of judgement means
10/11/1994US5354052 Hole-in-one detector
10/05/1994EP0617810A1 Device for monitoring a lock.
10/04/1994US5352887 Circuit for detecting a droplet in motion and method therefor
09/1994
09/28/1994EP0617298A2 Light curtain, in particular for a storage device of medical or dental instruments
09/27/1994US5350929 Alignment system for multiple color pen cartridges
09/14/1994CN1092162A Airborne survey method and apparatus
09/13/1994US5347135 Method and apparatus employing a linear array IR region radiation devices for locating the position of conveyor transported products
09/13/1994US5346466 Drop detection method and apparatus
09/13/1994US5346400 Sensor rotating apparatus
09/08/1994DE4316422C1 Process and device for screening waste mixtures
09/01/1994DE4305924A1 Device for detecting the overfilling of an overflow channel for liquids
08/1994
08/31/1994EP0428715B1 Optical web detection and measurement system, especially adapted for controlling replenishment of x-ray film processing chemicals
08/25/1994DE4319451C1 Device, consisting of a transmitter and a receiver, for detecting objects
08/25/1994DE4305559A1 Arrangement and method for detecting the contours of objects
08/18/1994DE4304343A1 Photoelectric device consisting of an optotransmitter with a transmitting optical system and an optoreceiver with a receiving optical system
08/17/1994EP0610199A1 Instrument for detecting the presence of a body and rolling mill provided with such an instrument.
08/09/1994US5336980 Apparatus and method for controlling a windshield wiping system
08/09/1994US5336882 System for determining operational stability of a photoelectric control unit having a margin variable gain module
08/04/1994WO1994017430A1 A method of setting an electro-optical signal path and an apparatus for carrying out the method
08/04/1994WO1994017387A1 Multiple envelope detector
08/04/1994WO1994017377A1 Detector for human body by use of infrared rays
07/1994
07/28/1994DE4301490A1 Passive infrared system reacting to heat movement
07/21/1994WO1994016405A1 Adaptive display system
07/21/1994WO1994016403A1 Method of identifying and characterizing a valid object by color
07/21/1994WO1994016402A1 Method of determining the interior points of an object in a background
07/21/1994DE4333666C1 Arrangement for determining optically visible phase boundaries in liquids
07/21/1994CA2130920A1 Adaptive display system
07/21/1994CA2130919A1 Method of identifying and characterizing a valid object by color
07/21/1994CA2130917A1 Method of determining the interior points of an object in a background
07/19/1994US5331151 Multiple envelope detector
07/19/1994US5331150 Photoelectric sensor with variable light pulse frequency
07/19/1994US5330226 Method and apparatus for detecting an out of position occupant
07/13/1994EP0606015A1 Photoelectric control unit
07/13/1994EP0605496A1 Integrity ensuring device and method, in particular for a light barrier
07/07/1994WO1994007117A3 Airborne multiband imaging spectrometer
07/06/1994EP0604428A1 Device for measuring reflectance and fluorescence of in-situ soil
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