Patents for G01V 8 - Prospecting or detecting by optical means (8,157)
08/2000
08/08/2000US6100983 Object sensing apparatus having filter member
08/08/2000US6100967 Monitoring of covert marks
08/02/2000EP1023579A1 Compact all-weather electromagnetic imaging system
08/02/2000CN1261666A Detecting systemand method for lack of lens
08/01/2000US6097291 Electronic article surveillance markers for direct application to optically recorded media
08/01/2000US6095200 Opto-electronic sensor device for a yarn feeder
07/2000
07/25/2000US6093926 Method of counting seeds dispensed through seed tubes of an air seeding system
07/18/2000US6091071 Opto-electronic sensor
07/18/2000US6091064 Safety system with intermittent photoelectric beam
07/13/2000WO2000040443A1 Detector of stains on a transparent plate surface
07/13/2000DE19842351C1 Sensor for detecting objects in monitoring region has external command unit for connection to lead to external voltage source/circuit output to read program/parameters in to evaluation unit
07/11/2000US6085979 Off-scale item sensing apparatus and method for a bar code reader
07/05/2000CN1054206C Method and system for measuring large object deformation displacement
07/04/2000US6084524 Photoelectric detection switch
06/2000
06/27/2000US6080981 Apparatus for controlling the operation of a door movable in a door opening to prevent contact between the door and an obstruction in the door opening
06/21/2000EP1010993A1 Detection modul and apparatus for positioning, service or mounting a vehicle body part
06/21/2000EP1010992A2 Optical system
06/21/2000EP1010990A2 Arrangement for generation and/or receiving a magnetic field
06/21/2000DE19858769A1 Optisches System Optical system
06/13/2000US6075238 Optical surveillance device
06/07/2000EP1006368A2 Opto-electronic sensor and process for manufacture of same
05/2000
05/31/2000EP1004901A2 Dustproof mechanism for a detecting means
05/31/2000DE19902903C1 Arrangement for locating object entering monitored space has light scattering test zone on reception mirror outside effective zone for received light to deflect part of incident light to receiver
05/31/2000DE19855220A1 Opto-elektronischer Sensor und Verfahren zu dessen Herstellung Opto-electronic sensor and method for its production
05/31/2000DE19852412A1 Operating method for optical sensor for detecting objects has evaluation unit which switches between contrast mode and color mode
05/31/2000DE19852173A1 Operating method for optical sensor for detecting objects forms sum and difference values from near and far sensors and evaluates to set binary output
05/23/2000US6066295 System and method for remote detection and remediation of airborne and waterborne chemical/biological agents
05/23/2000US6065538 Method of obtaining improved geophysical information about earth formations
05/18/2000DE19852344A1 Verfahren zur Minenerkennung Process for Mine Detection
05/17/2000EP1001279A2 Method for mine recognition
05/11/2000DE19951557A1 Optoelectronic arrangement for detecting objects in monitored region has light transmitter and receiver with near and far elements for light from near and far objects
05/10/2000EP0999140A1 Missing contact lens detection system and method
05/09/2000US6060677 Determination of characteristics of material
05/03/2000EP0997859A2 Control device for optical barrier
05/03/2000EP0875044B1 Edge sensing
04/2000
04/27/2000DE19845947A1 Optoelectronic device for recording objects in monitoring range, e.g. for light barrier; has optical near infrared blocking filter and high temperature polycarbonate film filter in front of detector to form band pass filter
04/26/2000EP0995179A1 Intruder detector system
04/26/2000EP0744019B1 Circuit arrangement for receiving light signals
04/25/2000US6054927 Apparatus and method for sensing an object within a monitored zone
04/25/2000CA1340975C An electro-optical detection system
04/18/2000US6052206 Method and apparatus for detecting incoming faxes
04/13/2000WO1999054700A3 Infrared remote monitoring system for leak
04/12/2000EP0853567B1 Optical Detection System in a Car-Wash Installation and Method of Operating the same
04/04/2000US6046834 Optical barrier
04/04/2000US6046447 Triangulation position detection with fill level control
04/04/2000US6044632 Backup proximity sensor for a vehicle
03/2000
03/29/2000EP0988440A1 Control and monitoring system for chemical treatment of an oilfield well
03/28/2000US6044256 Terminal device with detector
03/23/2000WO2000015478A1 Optical sensor
03/23/2000DE19838085A1 Groundwater pollution investigation or prospecting system for measuring concentrations, flow velocities and their direction, comprises optical fiber and laser with rotating beam system exciting marker
03/16/2000WO2000014587A1 Scanning apparatus
03/09/2000WO2000013238A1 Reflected light barrier
03/09/2000DE19839305A1 Reflexlichtschranke Retroreflex
03/02/2000DE19835384A1 Testing eco-toxicology of fluid sample comprises measuring diffuse light reflection from test organisms using automated detector apparatus
03/01/2000EP0700557B1 Signal evaluation circuit for a movement detector
02/2000
02/24/2000WO2000009977A1 Compact all-weather electromagnetic imaging system
02/24/2000WO2000009558A1 Hepatitis c inhibitor peptides
02/24/2000DE19933439A1 Opto-electronic measurement device, for measuring object surfaces, has device to select angle between emitted light beam and object surface
02/24/2000DE19827655C1 Method to determine efficacy of floor cleaning; involves using test body with test strips placed on floor and loaded with selected weight, where degree of contamination is compared with reference
02/23/2000EP0694163A4 Dual sensor air-in-line detector
02/23/2000EP0671018A4 Diffusion-assisted position location, particularly for visual pen detection
02/17/2000DE19831493A1 Opto-electronic sensor for light barrier; has interface to allow easy attachment of expansion casing containing additional sensor modules
02/15/2000CA2160623C Coin detection device
02/10/2000DE19835884A1 Lichtgitter Light Curtains
02/10/2000DE19833353A1 Method for detecting objects in monitored area has light pulse transmitter, receiver with common evaluation unit; transmission pause is altered if pulse received while transmitting
02/09/2000EP0978735A2 Light curtain
02/08/2000US6023335 Optoelectronic sensor
02/08/2000US6023064 Object sensing system
02/02/2000EP0975990A1 Scanning apparatus
02/02/2000EP0975939A1 Multi-spectral missile detection
02/02/2000EP0833755B1 Monitoring of covert marks
01/2000
01/27/2000DE19858247C1 Opto-electronic arrangement for detecting objects in a monitoring region enables highly effective screening of the transmitter and/or receiver
01/26/2000EP0974042A1 Polarimeter and corresponding measuring method
01/25/2000US6018159 Differential clear container sensor with improved noise immunity
01/11/2000US6014478 Optical switch
01/05/2000EP0969599A2 Photoelectric detection switch
12/1999
12/29/1999EP0967565A2 Item position sensing apparatus and method for a bar code reader
12/29/1999EP0967495A2 Volumetric sensor
12/29/1999EP0966694A1 Process and device for determining bi-directional reflectance distribution
12/16/1999DE19924351A1 Light barrier operating method for detecting obstacle in light path
12/15/1999EP0964324A1 Controller for plural area sensors
12/15/1999EP0964273A2 Area sensor with optical axis having narrow angular charactistics
12/15/1999EP0964272A1 Multi-optical-axis photoswitch and method of displaying its state
12/15/1999EP0564641B1 Photoelectric switch
12/08/1999EP0962788A2 Multi-optical-path photoswitch having capable of detecting multiple light emission
12/08/1999EP0962787A2 Method of verifying an extension area sensor controller, master controller of area sensors, and cover to be used when no slave controller is added
12/07/1999US5999211 Direct digital airborne panoramic camera system and method
12/07/1999US5999122 Millimeter wave instant photographic camera
12/07/1999US5998785 Protective device operating without contact, in particular light barrier grid
12/07/1999US5996281 Safety auxiliary apparatus for automatic door assembly
11/1999
11/30/1999US5994689 Photoelectric cell with stabilised amplification
11/30/1999US5992604 Switching arrangement for returning a people-conveying device to a state of readiness
11/24/1999EP0959371A2 Profile for light curtain
11/24/1999EP0959325A2 Photoelectric switch, fiber-type photoelectric switch, and color discrimination sensor
11/24/1999EP0958493A1 Optical transmitting and receiving device
11/24/1999CN1046670C Rain sensor
11/23/1999US5991036 Two-dimensional opto-electronic imager for millimeter and microwave electro-magnetic radiation
11/23/1999US5991013 Conveyance warning member with sacrificial fiber
11/18/1999DE19918921A1 Light barrier with array of emitter and receiver elements for protecting personnel working near dangerous machinery
11/18/1999DE19821112C1 Light reflection sensor for object detection
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