| Patents for G01V 8 - Prospecting or detecting by optical means (8,157) |
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| 04/06/1999 | US5892855 Apparatus for detecting an object located ahead of a vehicle using plural cameras with different fields of view |
| 03/31/1999 | EP0766887B1 Self-illuminating touch activated optical switch |
| 03/24/1999 | EP0903566A2 Imaging system functioning on submillimeter waves |
| 03/24/1999 | EP0776257B1 Determination of characteristics of material |
| 03/24/1999 | CN1211738A Petroleum fluorescent-spectrum well logging instrument |
| 03/17/1999 | EP0902303A2 Arrangement for detecting of objects present before an operating member of an apparatus |
| 03/16/1999 | US5883585 On-road object detecting system |
| 03/11/1999 | DE19835986A1 Light scanner operating method |
| 03/09/1999 | US5880771 Electro-optical detection system |
| 03/09/1999 | US5880462 Keying apparatus with thumb gap |
| 03/04/1999 | DE19737029A1 Sensor element for contact detection |
| 03/03/1999 | CN1209879A Electronic article surveillance markers for direct application to optically recorded media |
| 02/25/1999 | DE19720176C1 Fault signal elimination method for light barrier |
| 02/18/1999 | DE19706612C2 Optoelektronische Vorrichtung Optoelectronic device |
| 02/17/1999 | EP0897123A2 Light barrier |
| 02/17/1999 | EP0846277B1 Functional control device for photoelectric barriers |
| 02/16/1999 | USRE36094 Optical space monitoring apparatus comprising light guiding fibers transmitting light through the space to be monitored |
| 02/16/1999 | US5871612 Wafer for use in selective connecting and disconnecting of plastic tubes |
| 02/11/1999 | DE19804684C1 Optoelectronic device for object detection in surveillance zone |
| 02/11/1999 | DE19732776C1 Optoelectronic device for detecting object in surveillance zone |
| 02/04/1999 | WO1998050680A3 Monitoring of downhole parameters and tools utilizing fiber optics |
| 02/02/1999 | US5866887 Apparatus for detecting the number of passers |
| 01/28/1999 | WO1999004272A1 Omni-directional movement sensor |
| 01/26/1999 | US5864134 Automatic garage door closing device with a door position detector switch |
| 01/21/1999 | WO1999003080A1 Intruder detector system |
| 01/21/1999 | WO1999002819A1 Computer controlled injection wells |
| 01/20/1999 | EP0892286A1 Method of adaptive and combined thresholding for daytime aerocosmic remote detection of hot targets on the earth surface |
| 01/20/1999 | EP0892282A2 Object sensing apparatus |
| 01/20/1999 | EP0892280A2 Method for operating an opto-electronic sensor device |
| 01/20/1999 | EP0891564A1 Opto-electronic device |
| 01/20/1999 | CN1205441A Meteorological satellite remote sensing material for long period monitoring salt lake mining dynamic variation |
| 01/14/1999 | DE19730258A1 Optical detector, preferably for specified wavelengths |
| 01/13/1999 | EP0891044A1 Method for controlling an optoelectronic sensor |
| 01/13/1999 | EP0890427A1 Wafer for use in selective connecting and disconnecting of plastic tubes |
| 01/13/1999 | EP0836379B1 Process for locating an object |
| 01/12/1999 | US5859609 Real-time wideband cylindrical holographic surveillance system |
| 01/10/1999 | CA2240567A1 Wafer for use in selective connecting and disconnecting of plastic tubes |
| 01/07/1999 | EP0889332A1 Light curtain or light barrier with aligning aid |
| 12/30/1998 | EP0886920A1 Proximity and ambient light monitor |
| 12/29/1998 | US5854849 Mobile filing system with active-passive operator safety |
| 12/26/1998 | CA2241434A1 Door obstruction detector |
| 12/22/1998 | US5852292 Method of operating an optical light sensor |
| 12/17/1998 | WO1998057030A1 Control and monitoring system for chemical treatment of an oilfield well |
| 12/17/1998 | WO1998056699A1 Media detection method and device |
| 12/17/1998 | DE19723974A1 Verfahren zum Verhindern des Einklemmens eines Fremdkörpers und Einklemmschutzsystem A method for preventing the pinching of a foreign body and jamming protection |
| 12/16/1998 | EP0883775A1 Cover for a light with motion detector and casting mould thereof |
| 12/15/1998 | US5850082 System for counting persons in a high density mobile storage system |
| 12/15/1998 | US5848707 Storage rack with position sensing |
| 12/10/1998 | WO1998055722A1 Method for preventing jamming of foreign matter, and anti-jamming system |
| 12/09/1998 | CN1201437A Switching arrangement for returing people-conveing device to state of readiness |
| 12/08/1998 | US5847389 Seed monitoring system for counting seeds as they are dispensed through seed tubes in an air seeding system |
| 12/01/1998 | US5844240 Infrared sensing device and method |
| 11/26/1998 | DE19721105A1 Optoelectronic sensor with light sensor for transmitting light beam in monitoring region |
| 11/24/1998 | US5841528 Anti counterfeit apparatus |
| 11/17/1998 | US5838245 Cleaning time determining device for drug storage/discharge apparatus |
| 11/12/1998 | WO1998050681A1 Wellbores utilizing fiber optic-based sensors and operating devices |
| 11/12/1998 | WO1998050680A2 Monitoring of downhole parameters and tools utilizing fiber optics |
| 11/11/1998 | EP0876852A1 Determination of characteristics of material |
| 11/11/1998 | EP0876682A1 Heat radiation detection device and presence detection apparatus using same |
| 11/11/1998 | EP0876627A2 Optical surveillance device |
| 11/10/1998 | US5834765 Integral ambient light and occupancy sensor having a linear array of sensor element and a segmented slit aperture device |
| 11/10/1998 | US5834764 Non-imaging collector element for inputting seed monitoring signals to detector or optical fiber |
| 11/04/1998 | EP0875873A1 Opto-electronic sensor |
| 11/04/1998 | EP0875775A2 Method of operating an opto-electronic sensor |
| 11/04/1998 | EP0875044A1 Edge sensing |
| 11/04/1998 | EP0875007A1 Electronic article surveillance markers for direct application to optically recorded media |
| 11/04/1998 | EP0767944B1 Infrared sensor and method for making same |
| 10/29/1998 | WO1998048251A1 Multi-spectral missile detection |
| 10/27/1998 | US5828302 Door sensor with self-diagnosing function |
| 10/27/1998 | US5828056 Photoelectric detector with improved clear container feature detection |
| 10/22/1998 | WO1998047020A1 Scanning apparatus |
| 10/22/1998 | DE19716526A1 Multispektrale Flugkörperdetektion Multispectral missile detection |
| 10/20/1998 | US5825292 Electronic article surveillance markers for direct application to optically recorded media |
| 10/20/1998 | US5825021 Apparatus for detecting that a flying object has passed a monitoring space |
| 10/13/1998 | US5822077 Determination unit for determining, through detecting information associated with external object, whether or not external object will use functional apparatus or who is external object, so as to provide appropriate service |
| 10/06/1998 | US5818123 Electrical system for electrically interconnecting a parent switch device to a child switch device |
| 10/06/1998 | US5818037 Controller using a flexible element to vary light transferred to a photosensitive element |
| 10/01/1998 | DE19812304A1 Electro=optical transmission and reception device for detecting moving objects |
| 09/30/1998 | EP0867732A2 Light curtain and method for its manufacture |
| 09/24/1998 | DE19711127A1 Vorrichtung und Verfahren zur Bestimmung der bidirektionalen Reflektanzverteilung Apparatus and method for the determination of the bidirectional reflectance distribution |
| 09/24/1998 | DE19709906A1 Opto-electronic device for detecting objects in surveillance zone |
| 09/23/1998 | EP0866330A2 A transparent substrate having a function of liquid detection |
| 09/23/1998 | CN1194033A Thermal emitted radiation detecting device |
| 09/22/1998 | US5812058 Security sensor with built-in sight |
| 09/22/1998 | US5811810 Infrared sensor and method for making same |
| 09/22/1998 | US5811798 Sealed photoelectric detector |
| 09/22/1998 | US5811793 Rain sensor for glass shut |
| 09/17/1998 | WO1998040765A1 Process and device for determining bi-directional reflectance distribution |
| 09/15/1998 | US5808296 Programmable detection sensor with means to automatically adjust sensor operating characteristics to optimize performance for both high gain and low contrast applications |
| 09/10/1998 | DE19707861A1 Reflection light sensor for object detection |
| 09/09/1998 | EP0863413A1 Method and apparatus for locating an object in space |
| 09/08/1998 | US5804816 Position transducer having optical beam generator for covering wide detectable range |
| 09/02/1998 | EP0861445A1 Imaging lidar system with strip-shaped photocathode and confocal-reflection |
| 09/02/1998 | EP0714519A4 Entropy based signal transmission, reception and signal analysis method and apparatus |
| 09/02/1998 | CN1191978A Short-term earthquake predication using satellite IR system to measure abnormal temperature raising |
| 09/01/1998 | US5801376 Photoelectric barrier and method for operation |
| 08/27/1998 | DE19707418A1 Optoelectronic device for monitoring surveillance zone |
| 08/27/1998 | DE19707417A1 Optoelectronic device for monitoring surveillance zone |
| 08/27/1998 | DE19706612A1 Optoelectronic device for monitoring surveillance zone |
| 08/26/1998 | EP0859735A1 Switching arrangement for returning a people-conveying device to a state of readiness |