| Patents for G01V 8 - Prospecting or detecting by optical means (8,157) |
|---|
| 06/21/1988 | CA1238385A1 Article or seed counter |
| 06/07/1988 | US4749853 Light barrier having multiplexer for actuating transceiver pairs and multiple channel operation |
| 06/07/1988 | CA1237795A1 Air-in-line detector |
| 06/02/1988 | WO1988004038A1 Motion detector |
| 05/31/1988 | US4748323 Joystick device with photoelectric tilt and push button detection |
| 05/24/1988 | US4746910 Passive infrared intrusion detector employing correlation analysis |
| 05/18/1988 | EP0267850A2 Detection of a glass plate heated to the temperature of deformation |
| 05/17/1988 | US4745276 Device for the detection of fluorescent substances on the surface of the earth |
| 05/10/1988 | US4743886 Testing apparatus for intrusion detectors |
| 05/10/1988 | US4743749 Self compensating circuit for measuring rapidly occurring optoelectronically detectable events |
| 05/10/1988 | US4742583 Water supply control apparatus |
| 04/27/1988 | EP0265417A2 Detecting device for unacceptably heated wheel bearings and/or tyres |
| 04/27/1988 | EP0264860A2 Obstacle detection device for a motor vehicle |
| 04/27/1988 | CN87106592A Detecting unwanted materials among cullet |
| 04/26/1988 | CA1235772A1 Gob arrival sensor for a glass forming machine |
| 04/20/1988 | EP0264027A2 Light curtain apparatus |
| 04/12/1988 | US4737634 Filter for photoelectric touch panel including light scattering or absorbing protrusions |
| 04/12/1988 | US4737633 Inclined filter for photoelectric touch panel |
| 04/12/1988 | US4736662 Optical sensor for sensing displacement speed or displacement of a moveable element in musical instrument |
| 04/05/1988 | US4736097 Optical motion sensor |
| 03/30/1988 | EP0261840A2 Detecting unwanted materials among cullet |
| 03/17/1988 | DE3629651A1 Apparatus for detecting the heat radiation emitted from living bodies |
| 03/16/1988 | EP0260157A1 Liquid supply monitoring apparatus |
| 03/08/1988 | US4730108 Ambient light insensitive circuit with frequency matching |
| 03/02/1988 | EP0257055A1 Signal compensation circuits |
| 02/25/1988 | WO1988001377A1 Method and apparatus for detecting incongruities, such as air bubbles, in fluid material |
| 02/23/1988 | US4727260 For a moving web of material |
| 02/23/1988 | US4727248 Optoelectronic detector of passing objects |
| 02/18/1988 | DE3627635A1 Optical-fibre cable |
| 02/09/1988 | CA1232648A1 Opto-electronic detecting device for objects coming across its field |
| 01/28/1988 | WO1988000745A1 Detection system |
| 01/28/1988 | WO1988000712A1 Optical scanner including position sensors |
| 01/12/1988 | US4719339 Coordinates detector wherein X and Y emitting elements are enabled independently of each other |
| 01/12/1988 | US4718669 Electrically operated line monitor for tennis |
| 01/07/1988 | EP0111009B1 Double-eye crime prevention sensor system |
| 01/05/1988 | US4717821 For directing radiation from a plurality of acurately displaced directions |
| 01/05/1988 | US4717820 Device for detecting movable objects |
| 12/29/1987 | US4716294 Pyrodetector for the detection of a body entering into its detection area |
| 12/23/1987 | EP0249636A1 Intrusion detection system for operating industrial machines |
| 12/16/1987 | EP0248903A1 Process and circuit for compensating changes in the parameters of an optical emitter and an optical receiver in an optical scanner. |
| 12/15/1987 | US4713534 For measuring the intensity of an incident light signal |
| 12/02/1987 | EP0068019B1 Control device responsive to infrared radiation |
| 12/01/1987 | US4710629 Infrared intrusion detector |
| 12/01/1987 | US4710622 Device for stabilizing photosensor output to varying temperature |
| 11/24/1987 | US4709152 Infrared intrusion detector |
| 11/24/1987 | US4709143 Photoelectric bin level sensor and method of installing the same |
| 11/19/1987 | EP0245842A1 Pyrodetector, especially suited for motion and direction-selective detection |
| 11/03/1987 | US4704603 Glue detection system |
| 10/29/1987 | DE3711507A1 Photoelectric measurement device for polygraphic machines - has optical sensor mounted next to light emitting components on housing surface and detects printed material by reflection |
| 10/27/1987 | US4702449 Cardan ball suspension for motion sensor |
| 10/20/1987 | US4701619 Pyroelectric detectors |
| 10/15/1987 | DE3612512A1 Arrangement for displaying the actuator of a series of actuators capable of respectively two operating states which is respectively foremost in its one operating state |
| 10/14/1987 | EP0129577B1 A microprocessor-controlled light screen |
| 10/08/1987 | WO1987006011A1 Monitoring the presence of materials |
| 10/07/1987 | EP0239705A1 Signal preconditioning for touch entry device |
| 09/30/1987 | EP0070883B1 Photoelectric obstruction detector for elevator doorways |
| 09/30/1987 | CN87101582A Passive optical detector |
| 09/29/1987 | US4697089 Dual wavelength sensor which employs object as part of a corner reflector |
| 09/29/1987 | US4697081 Infra-red radiation detector devices |
| 09/16/1987 | EP0236755A1 Device for detecting an interruption in a space between the emitter and the receiver of a light signal sent by at least one emitter |
| 09/09/1987 | EP0236128A2 Infrared ray sensing device |
| 09/09/1987 | EP0235459A1 Phototransistor apparatus with current ambient compensation |
| 09/08/1987 | US4692619 Pyroelectric type detecting device |
| 09/03/1987 | DE3606594A1 Accident protection light curtain |
| 09/02/1987 | EP0234775A1 Signal processing circuits |
| 08/27/1987 | WO1987005115A1 Passive optical detector |
| 08/27/1987 | DE3605885A1 Light barrier |
| 08/26/1987 | EP0233611A2 A rotary type photoelectric switch |
| 08/20/1987 | DE3620227C1 Method and device for monitoring an opening |
| 08/13/1987 | WO1987004691A1 Signal compensation circuits |
| 08/05/1987 | EP0230517A2 Light barrier |
| 08/04/1987 | US4684801 Signal preconditioning for touch entry device |
| 08/04/1987 | CA1225131A1 Light barrier apparatus for monitoring doorways |
| 07/30/1987 | WO1987003700A3 Process and circuit for compensating changes in the parameters of an optical emitter and an optical receiver in an optical scanner |
| 07/29/1987 | CN87100371A Light barrier |
| 07/28/1987 | CA1224641A1 Device for stimulation of photoluminescence and the observation and analysis of the same |
| 07/16/1987 | WO1987004259A1 Intrusion detection system for operating industrial machines |
| 07/15/1987 | EP0228908A2 Water supply control apparatus |
| 07/14/1987 | US4680718 Method and apparatus of determining an attitude of a satellite |
| 07/14/1987 | US4680462 Fluid drop detection system |
| 07/07/1987 | US4679032 Procedure and means for producing a contrast image |
| 07/07/1987 | US4678911 Method of collecting and processing spectral data for the earth's surface |
| 06/23/1987 | US4675519 Toy having optically actuated sound generator |
| 06/19/1987 | DE3153076C2 Mounting profile strip for the light emitter and/or light receiver of an alarm system having at least one light barrier |
| 06/18/1987 | WO1987003700A2 Process and circuit for compensating changes in the parameters of an optical emitter and an optical receiver in an optical scanner |
| 06/16/1987 | US4673820 Drop detecting system with focusing mirror element and vibrator |
| 06/10/1987 | EP0224901A2 High resolution optical fiber array and article position determining system |
| 06/09/1987 | US4672197 Photosensor employing optical guide posts to detect an object in the path |
| 06/02/1987 | US4670655 Alarm apparatus for spatial surveillance |
| 06/02/1987 | US4670647 Dirt insensitive optical paper path sensor |
| 05/27/1987 | EP0222847A1 Safety system for use in connection with working machines |
| 05/26/1987 | US4668385 Filter cloth hanging rod detecting arrangement |
| 05/13/1987 | EP0221733A2 Optical milk flow detector and vacuum shutoff for milker |
| 05/06/1987 | EP0220511A2 Circuit arrangement for an infrared space surveillance detector |
| 05/05/1987 | USH277 Optical position gauge |
| 04/29/1987 | EP0219711A1 Infrared detector |
| 04/21/1987 | US4659919 Optical sensing circuit for audio activation of toys |
| 04/15/1987 | EP0218057A1 Pyroelectric detector for detecting a body intruding in its detection field |
| 04/15/1987 | EP0218056A1 Pyrodetector for the detection of a body intruding its detection field |
| 04/15/1987 | EP0218055A1 Infrared movement detector |