Patents
Sitemap › G01 - Measuring; Testing › G01V - Geophysics; Gravitational measurements; Detecting masses or objects; Tags › G01V 8 - Prospecting or detecting by optical means
Patents for G01V 8 - Prospecting or detecting by optical means (8,157)
11/1999
11/17/1999EP0957334A2 Photoelectric switch, fiber-type photoelectric switch, and color discrimination sensor
11/17/1999EP0957017A2 Liquid detector
11/16/1999US5986265 Infrared object detector
11/11/1999DE19917487A1 Optoelectronic device for detecting objects in monitored space
11/09/1999US5983373 Fail-safe system monitoring and safety communication network
11/04/1999DE19917486A1 Reflection light barrier for object detection in surveillance region
11/04/1999DE19917109A1 Infrared movement sensor operating in daylight
11/03/1999EP0953159A1 Millimetre wave imaging apparatus
10/1999
10/28/1999WO1999054700A2 Infrared remote monitoring system for leak
10/27/1999EP0951653A1 Optoelectronic device
10/26/1999US5973775 Device for detecting the wetting of a pane
10/26/1999US5970720 Combined refrigerators and detecting system using the same
10/21/1999WO1999053345A1 Optical system for detecting an obstruction
10/21/1999WO1999053278A1 Sensor device and method for operating a sensor device
10/21/1999WO1999052750A1 Rain sensor
10/21/1999DE19907546A1 Opto-electronic arrangement for detecting object in supervised region
10/19/1999US5970433 Laser obstacle detection method and sensor
10/19/1999US5969338 Light-received position detecting circuit and distance detecting apparatus using the same
10/13/1999EP0847519B1 Thermal emitted radiation detecting device
10/13/1999CN1231253A Optic device for detecting article existence
10/12/1999US5966211 Optoelectric sensor and weft yarn measurement and feeding equipment
10/12/1999US5964530 Method for compensating earth surface temperatures for the skyward effect thereon
10/12/1999CA2048326C Method and device for photoelectric identification of a material web
10/07/1999DE19914114A1 Light barrier arrangement for detecting objects in light beam path
10/07/1999DE19849502C1 Optical barrier control apparatus for operator protection and safety in risk zone of machine
09/1999
09/30/1999DE19907548A1 Optoelectronic device for detecting objects in monitored region
09/30/1999DE19907547A1 Optoelectronic device for detecting objects in monitored region
09/29/1999EP0837829B1 Optoelectronic sensor and weft yarn measurement and feeding equipment
09/21/1999US5955854 Power driven venting of a vehicle
09/16/1999DE19910321A1 Lens block for light barrier
09/16/1999DE19809210A1 Locality or workplace surveillance method
09/16/1999DE19808215A1 Optoelectronic unit registering darker objects at greater distances with improved reliability
09/15/1999CN2338754Y Infrared remote sensing suitch with adjustable elevation angle
09/08/1999EP0829168A4 Direct digital airborne panoramic camera system and method
09/07/1999CA2172068C Wide-angle motion detector with close-in reflector
09/07/1999CA2146451C System for detecting and classifying movement of objects along a passage
08/1999
08/24/1999US5943436 Method and system for inspecting packages
08/24/1999CA2131582C Infrared adhesive bead detector
08/19/1999DE19804991A1 Optical fibre sensor for generating tread images
08/18/1999EP0936764A2 Method and apparatus for calibration of digital down converters in a signal processing system
08/18/1999EP0936144A1 Device for optically detecting the presence of an object
08/18/1999CN1226370A Sucked material detector, sucked material detecting method using the same detector, shift detecting method and cleaning method therefor
08/17/1999US5939985 Electronic article surveillance markers for direct application to optically recorded media
08/12/1999WO1999040399A1 Polarimeter and corresponding measuring method
08/12/1999DE19806364A1 Pressure detection and localization system with special surface area
08/12/1999DE19804317A1 Reflection light barrier for detecting objects in supervision area
08/11/1999EP0935180A2 Back-up proximity sensor for a vehicle
08/11/1999EP0935133A2 Powder inspecting apparatus with electrostatic feeding of sample
08/10/1999US5936234 Seed planter monitoring system with optical sensors
08/10/1999US5936232 Railway safety system having a passenger car detection
08/10/1999CA2259671A1 Method and apparatus for calibration of digital down converters in a signal processing system
08/05/1999WO1999038737A1 Method for detecting objects located on a transparent panel, and corresponding device
08/05/1999DE19820358C1 Optoelectronics sensor, esp. for use as a light barrier or light sensor
08/04/1999EP0933623A1 Compound-eye crime prevention sensor system
08/03/1999US5933242 Method for the operation of an opto-electronic sensor
08/03/1999CA2091843C Light beam detector for door operators using fiber optics
07/1999
07/27/1999US5929759 Proximity detector with rapid reception amplification
07/22/1999DE19805980C1 Door area monitoring arrangement for public transport vehicles
07/21/1999EP0930259A1 Media detection method and device
07/08/1999DE19900139A1 Safety system for automatic doors
07/01/1999DE19754963A1 Reflection light scanner for detecting objects in monitoring range
06/1999
06/30/1999EP0925517A1 Real-time wideband cylindrical holographic surveillance system
06/29/1999US5915331 Process for locating an object
06/24/1999DE19707418C2 Optoelektronische Vorrichtung Optoelectronic device
06/16/1999EP0923140A1 Configurable photoelectric cell
06/16/1999EP0922970A1 Device for detecting a heat source
06/15/1999US5912459 Of underground formations surrounding a borehole. in particular, the invention relates to the detection of hydrocarbons in pore fluid from the formations.
06/10/1999DE19709906C2 Optoelektronische Vorrichtung Optoelectronic device
06/08/1999US5910767 Intruder detector system
06/03/1999WO1999027335A1 Object presence detection using dual wavelength bands
06/02/1999EP0919970A1 A system for absorbing and/or scattering superfluous radiation in an optical motion sensor
06/02/1999EP0919839A1 Method for detecting the spatial movements of shopping-aids in a shopping area
06/02/1999CN1218242A System of absorbing and/or scattering superfluous radiation in optical motion sensor
06/01/1999US5909311 Apparatus for detecting polarized light
06/01/1999US5909028 Position transducer and positional information processing system using the same
05/1999
05/27/1999DE19810231A1 Optoelektronische Vorrichtung Optoelectronic device
05/27/1999DE19752145A1 Optical supervision arrangement for vehicle interior
05/20/1999WO1999024850A1 Optoelectronic device
05/19/1999CN1043442C Airborne survey method and apparatus
05/18/1999US5905380 Electromagnetic wave, reflective type, low cost, active proximity sensor for harsh environments
05/12/1999EP0859735B1 Switching arrangement for returning a people-conveying device to a state of readiness
05/12/1999DE19848949A1 Elimination of spurious signals with light barrier having two switched positions
05/12/1999DE19747248A1 Light barrier to detect and identify objects
05/06/1999EP0913710A2 Optoelectronic intangible barrier with automatic regulation of the trigger threshold
05/06/1999DE19801632A1 Reflex light box
05/04/1999US5900960 Circuit arrangement for receiving light signals
05/04/1999US5900598 Lift sensor
04/1999
04/28/1999EP0911226A2 Passenger sensing system
04/28/1999EP0910725A1 Wellbores utilizing fiber optic-based sensors and operating devices
04/28/1999CN1215476A Opto-electronic device
04/27/1999US5898373 Method of monitoring a site for the future presence of toxic agents
04/22/1999WO1999003080A9 Intruder detector system
04/22/1999DE19848272A1 Passive infrared detector
04/22/1999DE19803694C1 Method of detecting objects on a transparent plate, e.g. a motor vehicle windscreen
04/21/1999EP0910033A2 Object sensor system comprising controlled light source
04/21/1999EP0796438B1 Object sensing system
04/21/1999EP0779993B1 Device and process for recognising objects
04/20/1999US5895441 Learning proximity detector
04/15/1999WO1999018732A1 Digital-image mapping
04/07/1999EP0907311A1 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
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