| Patents for G01V 8 - Prospecting or detecting by optical means (8,157) |
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| 08/25/1998 | US5798787 Method and apparatus for detecting an approaching object within a monitoring zone |
| 08/20/1998 | DE19705225A1 Opto-electronic sensor for detecting object in surveillance zone |
| 08/13/1998 | WO1998035221A1 Optical transmitting and receiving device |
| 08/13/1998 | DE19704793A1 Optische Sende- und Empfangseinrichtung Optical transmitting and receiving device |
| 08/12/1998 | EP0752937B1 Rain sensor |
| 08/12/1998 | EP0680618B1 A method of setting an electro-optical signal path and an apparatus for carrying out the method |
| 08/12/1998 | CN1190379A Optoelectronic sensor and weft yarn measurment and feeding equipment |
| 08/06/1998 | WO1998034085A1 Compound-eye crime prevention sensor system |
| 08/05/1998 | EP0594852B1 Fail-safe scanning circuit and sensor of multi-optical axis beam type |
| 08/05/1998 | CN1039454C Process and device for detecting foreign substances in a texile test material |
| 08/04/1998 | US5790181 Imaging system for a space |
| 08/04/1998 | US5789740 Method and device for eliminating interference signals in a light barrier |
| 07/23/1998 | WO1998032035A1 Millimetre wave imaging apparatus |
| 07/22/1998 | EP0853567A1 Optical detection system in a car-wash |
| 07/21/1998 | US5782770 Hyperspectral imaging methods and apparatus for non-invasive diagnosis of tissue for cancer |
| 07/21/1998 | US5782438 Versatile mounting and adjustment system for passive infrared detector |
| 07/16/1998 | DE19754215A1 Escalator or passenger conveyor |
| 07/15/1998 | EP0853237A1 Sensors using detector arrays |
| 07/15/1998 | CN1039159C Object reflector detecting apparatus |
| 07/08/1998 | EP0784835B1 Optical coin sensing station |
| 07/01/1998 | EP0826095A4 Power driven venting of a vehicle |
| 06/30/1998 | US5774208 Coaxial electro-optical distance meter |
| 06/25/1998 | WO1998018026A3 Optical surveillance device |
| 06/18/1998 | DE19652441A1 Opto-electronic monitor for supervised hazard zones in machinery |
| 06/18/1998 | DE19652440A1 Optoelectronic monitor for monitoring persons or objects in danger areas |
| 06/18/1998 | DE19651341A1 Object detection device using light reflection for proximity switch |
| 06/17/1998 | EP0847519A1 Thermal emitted radiation detecting device |
| 06/17/1998 | EP0847345A1 Device for detecting moisture on a window pane |
| 06/16/1998 | US5768327 Method and apparatus for optically counting discrete objects |
| 06/16/1998 | US5767506 Optical coin sensing station having a passageway and beam splitters |
| 06/10/1998 | EP0846277A1 Functional control device for photoelectric barriers |
| 06/04/1998 | DE19753472A1 Photoelectric cell for beam transmission and reception |
| 06/02/1998 | US5760415 Photogrammetric process for the three-dimensional monitoring of a moving object |
| 06/02/1998 | US5760397 Millimeter wave imaging system |
| 06/02/1998 | US5760390 Electro-optical device for detecting the presence of a body at an adjustable distance, with background suppression |
| 06/02/1998 | US5759859 Sensor and method for detecting trace underground energetic materials |
| 05/22/1998 | WO1998021608A1 Security and alarm device for keys/key cards |
| 05/20/1998 | DE19646102C1 Vorrichtung zum berührungsfreien Erfassen von Gegenständen Device for non-contact detection of objects |
| 05/20/1998 | CN1182483A Methods and apparatus for counting objects |
| 05/20/1998 | CN1182249A Infrared object detector |
| 05/19/1998 | US5754324 Method of setting an electro-optical signal path and an apparatus for carrying out the method |
| 05/19/1998 | US5754213 Document production apparatus and method having a noncontact sensor for determining media presence and type |
| 05/13/1998 | EP0605496B1 Integrity ensuring device and method, in particular for a light barrier |
| 05/07/1998 | DE19645175A1 Controlling optical monitoring appliance for seat occupancy of vehicle |
| 05/07/1998 | DE19644278A1 Optische Schranke sowie daraus aufgebaute Überwachungseinrichtung Optical sensor and monitoring device composed to |
| 05/06/1998 | EP0839981A2 Safety auxiliary apparatus for automatic door assembly |
| 05/06/1998 | CN1181038A Monitoring of covert marks |
| 04/30/1998 | WO1998018205A1 Proximity and ambient light monitor |
| 04/30/1998 | WO1998018026A2 Optical surveillance device |
| 04/30/1998 | DE19644565A1 Safety system for moving object esp. vehicle |
| 04/29/1998 | EP0837829A2 Optoelectronic sensor and weft yarn measurement and feeding equipment |
| 04/29/1998 | CN1180414A Motion detection imaging device and method |
| 04/28/1998 | US5744793 Triangulation position-detection and integrated dispensing valve |
| 04/28/1998 | US5743642 Method for compensating earth surface temperatures for the skyward effect thereon |
| 04/22/1998 | EP0836379A1 Process for locating an object |
| 04/21/1998 | US5742055 Device for sensing position of human body using infrared sensor |
| 04/15/1998 | EP0836101A2 Optical control sensor for packaging machines |
| 04/14/1998 | US5739536 Fiber optic infrared cone penetrometer system |
| 04/08/1998 | EP0834090A1 Photogrammetric process for three-dimensional tracking of moving objects |
| 04/08/1998 | EP0833755A1 Monitoring of covert marks |
| 03/26/1998 | DE19639403A1 Opto-electronic sensor for identification of objects during monitoring |
| 03/19/1998 | WO1998011453A1 Real-time wideband cylindrical holographic surveillance system |
| 03/18/1998 | EP0829168A1 Direct digital airborne panoramic camera system and method |
| 03/17/1998 | US5729013 Wellbore infrared detection device and method |
| 03/11/1998 | EP0828233A2 Apparatus for detecting the number of passers |
| 03/11/1998 | EP0828166A2 Control device for the closing sequence of motorised units having an essentially translatory movement |
| 03/11/1998 | EP0827614A1 Seed planter monitoring system with fiber-optic sensors |
| 03/11/1998 | EP0737308B1 Optical sensor for detection of chemical species |
| 03/10/1998 | US5726547 Windshield wiper arrangement including wiper control system |
| 03/10/1998 | US5726449 Detecting apparatus and measuring method of warm object |
| 03/04/1998 | EP0826095A2 Power driven venting of a vehicle |
| 03/04/1998 | EP0805992A4 Methods and apparatus for counting objects |
| 02/26/1998 | DE19634269A1 Opto-electronic system with transmitter and receiver also distance sensor |
| 02/25/1998 | EP0825458A1 Optical barrier |
| 02/19/1998 | DE19633008A1 Ship assisted detection of floating mines using unmanned aircraft with own drive |
| 02/12/1998 | DE19631748A1 Accurate determination method for feed position of moving tape |
| 02/11/1998 | EP0760147B1 Anti counterfeit apparatus and method |
| 02/10/1998 | US5717202 Method and apparatus for measuring motion amount of a laboratory animal |
| 01/28/1998 | EP0821329A1 Security sensor with built-in sight device |
| 01/27/1998 | US5712477 System to provide alignment and troubleshooting aid photoelectric sensors through alternating numeric display |
| 01/21/1998 | EP0819881A2 Area light switch |
| 01/14/1998 | CN1170306A Electromagnetic wave imaging system |
| 01/08/1998 | WO1998000735A1 Passenger sensor for an escalator or moving walk |
| 01/08/1998 | WO1998000734A1 Process and device for detecting objects by means of diffracted radiation |
| 01/08/1998 | DE19727225A1 Detection system for locating object on road |
| 01/08/1998 | DE19627083A1 Reflection light barrier for detecting objects in monitoring region |
| 01/07/1998 | EP0702800B1 Detector systems |
| 01/07/1998 | EP0675376B1 Fail-safe multiple optical-axis light beam sensor |
| 01/07/1998 | CN1169541A Estimate for oil specific weight using multiple fluorescence measurements |
| 01/06/1998 | US5704464 Passenger sensor for an escalator or moving walk |
| 01/02/1998 | DE19719653A1 Elektrisch betätigter Linienwächter für Tennis Electrically operated line monitor for tennis |
| 01/02/1998 | DE19626203A1 Optical sensor |
| 01/02/1998 | DE19626187A1 Verfahren und Anordnung zur Detektion von Objekten Method and apparatus for detecting objects |
| 12/31/1997 | CN1169028A Semiconductor device testing apparatus |
| 12/30/1997 | US5703718 For detecting polarized light |
| 12/30/1997 | US5703368 Passive-type infrared sensor system for detecting human body |
| 12/30/1997 | US5703367 Human occupancy detection method and system for implementing the same |
| 12/29/1997 | EP0814317A1 Position measuring instrument |
| 12/17/1997 | EP0813076A2 Contactless protection device, in particular light barrier |
| 12/16/1997 | US5699047 Electronic article surveillance markers for direct application to optically recorded media |