Patents for G01V 8 - Prospecting or detecting by optical means (8,157) |
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09/17/1996 | US5557283 For near real-time imaging of a target |
09/12/1996 | WO1996027808A2 Method and apparatus for detecting the presence and location of objects in a field |
09/12/1996 | DE19508742A1 Football practice goal mouth with ball detector sensors |
09/11/1996 | EP0730745A1 Detection of counterfeit articles |
09/05/1996 | DE19507644A1 Light beam monitor with cooler for process control applications |
08/29/1996 | DE19604338A1 Vehicle counting and classification sensor |
08/29/1996 | DE19506312A1 Alignment system for aligning two optoelectronic sensors e.g. for light barrier |
08/28/1996 | EP0729123A1 Apparatus including a fire sensor and a non-fire sensor |
08/28/1996 | CN1129833A Apparatus including a fire sensor and a non-fire sensor |
08/28/1996 | CN1129831A Coin detection device |
08/27/1996 | US5550369 Triangulation position detection method and apparatus |
08/20/1996 | US5548119 Toilet room sensor assembly |
08/15/1996 | WO1996025021A1 Occupancy sensor and method of operating same |
08/14/1996 | DE19504606A1 Opto-electronic sensor unit for measuring precipitate deposited on outside of glass screen e.g. motor vehicle windscreen |
08/14/1996 | DE19504230A1 Opto=electronic system with transmitter emitting light beam and remotely arranged receiver |
08/14/1996 | CN1129042A Active IR intrusion detector |
07/30/1996 | US5541414 Infrared sensor apparatus |
07/25/1996 | WO1996022553A1 Methods and apparatus for counting objects |
07/25/1996 | WO1996022518A1 Apparatus for surface measurement of a print product |
07/25/1996 | DE19501346A1 Gerät zum Vermessen der Oberfläche eines Druckerzeugnisses Device for measuring the surface of a printed product |
07/24/1996 | EP0722571A1 Wide-angle motion detector with close-in reflector |
07/23/1996 | US5539198 Uniform sensitivity light curtain |
07/09/1996 | US5534690 Method for counting banknotes employing an optical sensor |
07/02/1996 | US5532472 Photoelectric switch monitoring the duration of pulsed light to prevent false signals due to ambient conditions |
06/27/1996 | WO1996006689A3 Determination of characteristics of material |
06/26/1996 | EP0718974A1 Proximity switch |
06/23/1996 | CA2163417A1 Proximity switch |
06/20/1996 | DE4445196A1 Movement indicator with radiation sensor determining radiation emanating from region |
06/19/1996 | EP0717292A2 Passive infrared movement detector with collector lens for 360 degrees omnidirectional detection |
06/13/1996 | WO1996018114A1 Object sensing system |
06/13/1996 | WO1996017799A1 Dispensing method and apparatus that detects the presence and size of a cup and provides automatic fill control |
06/13/1996 | WO1996008734A3 A lift sensor |
06/12/1996 | EP0716402A1 Human occupancy detection method and system for implementing the same |
06/12/1996 | EP0715743A1 Panoramic surveillance system |
06/12/1996 | CN1124533A Signal evaluation circuit for a movement detector |
06/05/1996 | EP0714519A1 Entropy based signal transmission, reception and signal analysis method and apparatus |
05/28/1996 | US5521376 Optical motion sensor for an underwater object |
05/23/1996 | DE4441222A1 Position detection and movement control e.g. for garage door |
05/23/1996 | DE19536026A1 Light barrier system with contamination detection |
05/21/1996 | US5519784 Apparatus for classifying movement of objects along a passage by type and direction employing time domain patterns |
05/14/1996 | US5517024 For locating in situ hydrocarbons in underground formations |
05/09/1996 | DE4439838A1 Branched coupler for light barrier |
05/08/1996 | EP0710933A2 Coin detection device |
05/02/1996 | DE4438798A1 Light barrier e.g. for free-falling parts detector |
05/02/1996 | DE4438235A1 Movement detection system for objects in a natural background |
05/01/1996 | EP0709335A1 Beam detection |
04/30/1996 | US5512046 Dosing device for the volumetric dosing of a liquid additive |
04/25/1996 | DE4437348A1 Document shredder with light barrier activated mechanism |
04/24/1996 | CN1121039A A lift sensor |
04/17/1996 | CN1120675A Method and system for measuring large object deformation displacement |
04/16/1996 | US5508511 Arrangement for and method of detecting an object in an area subject to environmental variations |
04/11/1996 | WO1996010809A1 Optical coin sensing station |
04/11/1996 | CA2200564A1 Optical coin sensing station |
04/10/1996 | EP0705186A1 Device for controlling a windscreen-washer installation |
04/09/1996 | CA2069279C Photoelectric switch sealed against infiltration of contaminants |
04/04/1996 | DE19533044A1 Double light barrier device |
03/27/1996 | EP0702800A1 Detector systems |
03/21/1996 | WO1996008734A2 A lift sensor |
03/20/1996 | CN1118881A Method for controlling photoelectric sensor |
03/19/1996 | US5499794 Process and device for detecting foreign substances in a textile test material using an alternating light and dark background |
03/14/1996 | WO1996007937A1 Device and process for recognising objects |
03/14/1996 | DE4432112A1 Light barrier for monitoring vehicle windscreen or window |
03/13/1996 | EP0700557A1 Signal evaluation circuit for a movement detector |
03/07/1996 | WO1996006689A2 Determination of characteristics of material |
03/07/1996 | DE4431479A1 Vorrichtung und Verfahren zur Erkennung von Objekten Apparatus and method for recognizing objects |
03/07/1996 | DE19519659C1 Noise signal from optical barrier elimination method for |
03/06/1996 | EP0699601A2 Method and device for securing the operating range of an emptying device |
03/05/1996 | US5496996 Photoelectric device with capability to change threshold levels in response to changing light intensities |
02/29/1996 | WO1996006368A1 Image-evaluation system and process |
02/22/1996 | WO1996005523A1 A method and a device for detecting in the terrain of the ground-coordinates for objects at relatively small distance below the ground surface, like mines |
02/20/1996 | US5493112 Method and apparatus for detecting the presence and location of an object in a field |
02/14/1996 | EP0696745A2 Infrared movement detector |
02/13/1996 | US5491333 Dispensing method and apparatus that detects the presence and size of a cup and provides automatic fill control |
02/13/1996 | US5491330 Ambient light detector, laser lighting control device using the same suitable for bar code reader, and bar code reader |
02/01/1996 | WO1996002858A1 Optical sensor with suppression of optical interference |
02/01/1996 | DE4428059A1 Wide angle opto-electronic heat detector for fire fighting equipment e.g. to locate hidden heat pockets and hot materials |
02/01/1996 | DE4426919A1 Passive IR movement alarm with adjustable detection range |
02/01/1996 | DE19510304C1 Light barrier grid |
01/31/1996 | EP0694771A1 An optical monitoring apparatus |
01/31/1996 | EP0694163A1 Dual sensor air-in-line detector |
01/30/1996 | US5487451 System and method for determining the availability of an elevator car for response to hall calls |
01/25/1996 | WO1996001976A1 Device for recording changes in position or movements over short distances |
01/23/1996 | US5486691 Monitoring apparatus in machines |
01/17/1996 | CN1115028A Infrared array sensor system |
01/11/1996 | WO1996000956A1 Infrared sensor and method for making same |
01/04/1996 | DE4422497A1 Opto-electronic detector of objects moving in region under surveillance |
01/02/1996 | CA2002524C Switch apparatus including a pair of beam-type switches |
12/30/1995 | CA2152892A1 Optical monitoring apparatus |
12/28/1995 | WO1995035598A1 Self-illuminating touch activated optical switch |
12/19/1995 | CA1337773C Passive infrared detection system |
12/14/1995 | WO1995034085A1 Method and apparatus for sensing crushing of a vehicle door |
12/14/1995 | DE4420335A1 Water fitting controller |
12/07/1995 | WO1995033248A1 Active ir intrusion detector |
12/07/1995 | WO1995033217A1 Method and apparatus for optical logging |
12/06/1995 | EP0685734A1 Method and system for inspecting packages |
12/06/1995 | EP0685701A1 Electronic target and method for its utilisation |
11/28/1995 | US5471056 Airborne scanner image spectrometer |
11/28/1995 | US5469752 Apparatus for automatically inspecting powdery products for the presence of foreign substances |
11/23/1995 | DE4430833C1 Protecting operating region of emptying device |
11/21/1995 | US5469253 Apparatus and method for testing multiple characteristics of single textile sample with automatic feed |