| Patents for G01V 8 - Prospecting or detecting by optical means (8,157) |
|---|
| 05/28/1985 | US4519707 Multi-spectral target detection system with common collecting means |
| 05/28/1985 | CA1187990A1 Tailings monitor for combine harvester |
| 05/21/1985 | US4518257 Optical inspection system and method |
| 05/14/1985 | US4517458 Remote detection of hydrocarbon seeps |
| 04/30/1985 | US4514631 Optical system for ceiling mounted passive infrared sensor |
| 04/30/1985 | US4514625 Alarm system to secure a passage |
| 04/24/1985 | EP0138565A2 Nailing machine |
| 02/05/1985 | US4498002 Photoelectric instrument for observing a viewing corrider of interest |
| 01/22/1985 | US4494656 Down and stuck ware inspection method and apparatus |
| 01/22/1985 | CA1181258A1 Remote detection of hydrocarbon seeps |
| 01/08/1985 | CA1180829A1 Lift control system |
| 01/02/1985 | EP0129577A1 A microprocessor-controlled light screen. |
| 12/25/1984 | US4490647 Gas-filled dot matrix display panel |
| 12/19/1984 | EP0128513A2 Light barrier for the protection of a door |
| 12/04/1984 | US4486656 Pulsed light barrier apparatus for direct connection to an a.c. supply |
| 11/20/1984 | US4484070 Sheet detecting device |
| 11/13/1984 | US4482890 Weight responsive intrusion detector using dual optical fibers |
| 10/24/1984 | EP0023902B1 Optical device for regulation and adjustment of light |
| 10/23/1984 | US4479056 Motion detector for space surveillance |
| 10/16/1984 | US4477724 Photoelectric control device |
| 10/16/1984 | US4477722 Monitoring equipment which swivels into and out of a traveling line |
| 09/25/1984 | CA1174870A1 Adjustable photoelectric detector head for solid state limit switch |
| 08/28/1984 | US4468658 Simplified intruder detection module |
| 08/28/1984 | US4468657 Simplified intruder detector |
| 08/21/1984 | US4467251 For an automatic door |
| 08/21/1984 | US4467193 Parabolic light emitter and detector unit |
| 08/07/1984 | US4464568 Apparatus for detection and analysis of uranium ores |
| 07/18/1984 | EP0113468A2 Optical device for deflecting optical rays |
| 07/11/1984 | EP0113069A1 Optical system for ceiling mounted passive infrared sensor |
| 07/06/1984 | EP0068019A4 Control device responsive to infrared radiation. |
| 07/03/1984 | US4458146 Photoelectric movement detector with varying amplitude light source |
| 06/26/1984 | US4456374 Detecting the presence or absence of a coating on a substrate |
| 06/21/1984 | WO1984002413A1 A microprocessor-controlled light screen |
| 06/20/1984 | EP0111009A1 Double-eye crime prevention sensor system |
| 06/12/1984 | CA1169151A1 Photoelectric input apparatus |
| 06/07/1984 | WO1984002247A1 Gas-filled dot matrix display panel |
| 06/05/1984 | CA1168667A1 Electrically operated line monitor for tennis |
| 05/29/1984 | EP0070883A4 Photoelectric obstruction detector for elevator doorways. |
| 05/22/1984 | US4450351 Motion discontinuance detection system and method |
| 05/22/1984 | CA1167949A1 Object sensing apparatus |
| 05/08/1984 | US4447800 Obstacle detector for use in vehicles |
| 05/02/1984 | EP0107425A2 Radiation pattern change detection |
| 05/02/1984 | EP0107042A1 Infrared detector for spotting an intruder in an area |
| 04/25/1984 | EP0106200A1 Equipment for the automatic switching and control of room illumination |
| 04/24/1984 | US4445044 Angular position transducer having a bipolar analog output signal |
| 04/24/1984 | US4445031 Leader tape detecting circuit |
| 04/18/1984 | EP0105528A2 Reflection light barrier |
| 04/10/1984 | US4441513 Tailings monitor for combine harvester |
| 04/10/1984 | CA1165137A1 Method and apparatus for underwater detection of hydrocarbons |
| 04/04/1984 | EP0104189A1 Optical telecontrol for apartment doors |
| 03/21/1984 | EP0103153A2 Detecting device for two or several overlapping film sheets |
| 03/06/1984 | US4434654 Borehole orientation detection system employing polarized radiation |
| 02/29/1984 | EP0101543A2 Switching light barrier |
| 02/28/1984 | US4434364 Method and apparatus for underwater detection of hydrocarbons |
| 02/22/1984 | EP0039683B1 Light grid with single light source |
| 02/21/1984 | US4433239 Method and apparatus for on-line monitoring of bitumen content in tar sand |
| 02/21/1984 | US4433237 Coating system control having a sensor interface with noise discrimination |
| 01/31/1984 | US4429224 Optical arrangement for an infrared intrusion detector |
| 01/31/1984 | US4429223 Infrared intrusion detector |
| 01/18/1984 | EP0098290A1 Apparatus for detecting the passage of multiple superposed documents along a feed path. |
| 01/04/1984 | EP0097317A2 Light barrier apparatus |
| 01/03/1984 | US4424441 Method and apparatus for inspecting glass containers |
| 12/28/1983 | EP0097139A2 Apparatus for photoelectric detection of objects |
| 12/13/1983 | US4420840 Intrinsically safe photoelectric sensing |
| 12/13/1983 | US4420685 Method and equipment for detecting tool failure |
| 12/08/1983 | WO1983004316A1 Double-eye crime prevention sensor system |
| 12/07/1983 | EP0095948A2 Detecting article edges |
| 11/22/1983 | US4417148 Photodetector device for detecting the front and rear ends of a moving sheet |
| 11/16/1983 | EP0093773A1 Optically based intrusion detector |
| 11/09/1983 | EP0093245A2 Radiometric imaging system |
| 11/08/1983 | US4413718 Method and apparatus for detecting the presence of a coin in a passageway |
| 10/25/1983 | US4412129 Adjustable photoelectric detector head for solid state limit switch |
| 10/13/1983 | WO1983003442A1 Optical telecontrol device for apartment doors |
| 10/11/1983 | US4409473 Apparatus for detecting an object |
| 10/05/1983 | EP0090322A1 Optical remote control device for a house door |
| 09/27/1983 | US4406996 Intensity compensator circuit for optical sensor in bank note machine |
| 09/20/1983 | US4405858 Light gate with controlled optical couplers |
| 09/06/1983 | US4402609 Light curtain apparatus |
| 08/24/1983 | EP0086369A1 Infrared intrusion detector with pyroelectric radiation receiver |
| 08/18/1983 | WO1983002840A1 Burglar-proof device for surfaces |
| 08/09/1983 | US4397283 Ignition onset sensor for internal combustion engines |
| 08/09/1983 | CA1151744A1 Method and apparatus for detecting bubbles in a liquid |
| 07/21/1983 | WO1983002513A1 Apparatus for detecting the passage of multiple superposed documents along a feed path |
| 07/19/1983 | US4394573 Method and apparatus for underwater detection of hydrocarbons |
| 07/13/1983 | EP0083431A1 Reflection light barrier with an extended detection range |
| 06/14/1983 | US4388528 Photoelectronic apparatus |
| 06/14/1983 | US4388527 Photoelectric switch |
| 05/26/1983 | WO1983001855A1 Optically based intrusion detector |
| 05/17/1983 | US4384280 Anti-entry device for surfaces |
| 05/17/1983 | US4384201 Three-dimensional protective interlock apparatus |
| 04/26/1983 | US4381446 Photoelectric switch |
| 04/12/1983 | US4379636 Inspection device |
| 04/12/1983 | CA1144620A1 Method of and apparatus for detecting an aqueous liquid in bottles and containers |
| 04/06/1983 | EP0075590A1 Motion discontinuance detection system and method |
| 03/30/1983 | EP0075045A1 Light barrier apparatus |
| 03/30/1983 | EP0075044A1 Aid for measuring the surplus of light in light barriers |
| 03/15/1983 | CA1143031A1 Corn and soybean sensor |
| 03/01/1983 | CA1141985A1 Inspection device |
| 02/23/1983 | EP0072511A1 Apparatus for determining the position in a measuring plane of the point of intersection between that plane and the path of a moving object crossing the plane |
| 02/23/1983 | EP0072386A1 Pulse generator for generating electronic pulse trains |