Patents for G01J 1 - Photometry, e.g. photographic exposure meter (22,989) |
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04/30/1997 | DE19636626A1 Apparatus for detecting radiation level above danger level for invisible radiation esp. infrared |
04/30/1997 | DE19601712C1 Single-crystal carrier material for pyro-detectors |
04/30/1997 | CN2253473Y Dual infrared detector |
04/29/1997 | US5625583 Analog memory system having an integrated circuit frequency domain processor |
04/29/1997 | US5625451 Methods and apparatus for characterizing a surface |
04/29/1997 | US5625182 Light sensor with position compensation accomplished by area distribution |
04/29/1997 | CA2070708C Visible and infrared indium antimonide (insb) photodetector with non-flashing light receiving surface |
04/24/1997 | DE19535273C1 Personal dosimeter to register solar ray exposure |
04/23/1997 | EP0769817A2 Method of fixing photoelectric semiconductor devices on a base |
04/23/1997 | EP0769787A1 X-ray optical element |
04/22/1997 | US5623149 High fidelity dual source solar simulator |
04/17/1997 | DE19538129A1 UV indicator which can be matched to sunscreen protection factor |
04/16/1997 | EP0768545A2 Method for operating a light sensor |
04/16/1997 | EP0768003A1 Staring infrared focal plane array with on-focal plane array adaptive dynamic range control electronics |
04/16/1997 | EP0767944A1 Infrared sensor and method for making same |
04/16/1997 | EP0767903A1 Measuring instrument for reflectometric measurements |
04/16/1997 | CN1147634A Method for recognition and evaluation of defects in reflective surface coatings |
04/16/1997 | CN1147630A Focusing method of microphotometer |
04/15/1997 | US5621525 Apparatus and method for measuring the power density of a laser beam with a liquid crystal |
04/15/1997 | US5621205 Photoelectric sensor having an enhanced dynamic range control circuit |
04/10/1997 | WO1997013129A1 Device for detecting and warning against skin-damaging solar radiation |
04/10/1997 | DE19537098A1 Measuring circuit which determines very weak or differential light signal |
04/10/1997 | DE19537048A1 Vorrichtung zur Erfassung und Warnung vor hautschädigender Sonnenbestrahlung Device for detecting and warning of skin-damaging sunlight |
04/09/1997 | EP0766887A1 Self-illuminating touch activated optical switch |
04/08/1997 | US5619445 Analog memory system having a frequency domain transform processor |
04/08/1997 | US5619039 Device for the detection of electromagnetic waves and, in particular, of infrared radiation |
04/08/1997 | US5618737 Thermal detector comprising a thermal insulator made of expanded polymer |
04/08/1997 | CA2120462C Pocket size laser power meter |
04/03/1997 | WO1997011656A1 Weighted lumbar support with magnetic pad |
04/02/1997 | EP0766317A2 Photoelectric conversion apparatus and X-ray image pickup apparatus |
04/02/1997 | EP0766124A1 Durable infrared target having fast response time |
04/02/1997 | EP0645002B1 Thermal isolation microstructure |
04/02/1997 | CN1146552A Quasi-double optical-path photometer |
04/01/1997 | US5617250 Radiation projection arrangement with integrated radiation indicator |
04/01/1997 | US5616913 Device for concentrating solar radiation |
03/27/1997 | DE19531917C1 Electromagnetic radiation detector e.g. for fire detection esp. in paint workshops |
03/26/1997 | EP0764990A1 Pyroelectric infrared detector and method of fabricating the same |
03/26/1997 | CN1146258A Circuit arrangement |
03/26/1997 | CN1146010A Infrared sensing device and method of sensing human body by the same |
03/25/1997 | US5615294 Apparatus for collecting light and its method of manufacture |
03/25/1997 | US5614717 Pyroelectric infrared ray sensor |
03/25/1997 | US5614708 Optical feedback photodetection apparatus |
03/20/1997 | DE19637946A1 IR sensor apparatus for non-contact temperature determination |
03/19/1997 | EP0503061B1 Read-out of photodiodes using sigma-delta oversampled analog-to-digital converters |
03/18/1997 | US5612542 Ultraviolet light intensity monitor |
03/18/1997 | US5612541 Ultraviolet radiation monitoring device and use thereof |
03/18/1997 | US5611999 Diffused light reflectance readhead |
03/13/1997 | WO1997009819A1 Light-detection system with programmable offset current |
03/13/1997 | DE19533061A1 Photoelektrische Halbleiter-Lichterfassungseinrichtung mit programmierbarem Offset-Strom und Bildsensor mit einer solchen Einrichtung Photoelectric semiconductor light detector with programmable offset current and image sensor with such a device |
03/12/1997 | EP0762112A1 Diffused light reflectance readhead |
03/12/1997 | EP0762111A1 Diffused light reflectance readhead |
03/12/1997 | EP0762110A1 Diffused light reflectance readhead |
03/12/1997 | EP0761161A1 Optical measuring method and optical measuring apparatus |
03/11/1997 | US5610709 Automatic ranging optical power monitoring system |
03/11/1997 | US5609813 Method of making a three-dimensional object by stereolithography |
03/11/1997 | US5609812 Method of making a three-dimensional object by stereolithography |
03/11/1997 | US5609780 Laser system |
03/06/1997 | WO1997008524A1 Thermal emitted radiation detecting device |
03/06/1997 | WO1997008523A1 Method and apparatus for determining characteristics of a sample in the presence of ambient light |
03/06/1997 | CA2229458A1 Method and apparatus for determining characteristics of a sample in the presence of ambient light |
03/06/1997 | CA2184312A1 Diffused light reflectance readhead |
03/05/1997 | EP0760464A1 Pre-processor apparatus and method |
03/05/1997 | EP0606400B1 Light sensor with diffuser and eye-like response |
03/05/1997 | CN1144331A Infrared detector and method of producing the same |
03/04/1997 | US5608815 Device for testing an image of a test object |
03/01/1997 | CA2157237A1 Thermal emitted radiation detecting device |
02/25/1997 | US5606393 Illumination measuring device for panoramic photography |
02/25/1997 | US5604977 Method of fabricating focal plane array |
02/19/1997 | CN2247802Y Synchronous light measuring device for camera |
02/19/1997 | CN1143201A Multifunctional light receiver |
02/19/1997 | CN1143191A Toilet room sensor assembly |
02/18/1997 | US5604584 Photometry device with correction for temperature change |
02/13/1997 | WO1997001926A3 Digital offset corrector for microbolometer array |
02/11/1997 | US5602617 Light metering device with adjustable output |
02/11/1997 | US5602615 Photometric device to determine a correct photometric value of a spot photometric region |
02/11/1997 | US5602385 Two wave band radiation detector having two facing photodetectors and method for making same |
02/11/1997 | US5602384 Sunlight sensor that detects a distrubition and amount of thermal load |
02/04/1997 | US5600148 Low power infrared scene projector array and method of manufacture |
02/04/1997 | US5600125 Compensation and status monitoring devices for fiber optic intensity-modulated sensors |
02/04/1997 | US5599464 Formation of atomic scale vertical features for topographic instrument calibration |
02/04/1997 | CA2101082C Gas sample chamber |
01/29/1997 | EP0756363A2 Method and apparatus for monitoring performance of a laser transmitter |
01/28/1997 | US5598263 Light-backscatter measurement device suitable for use on board a craft |
01/23/1997 | DE19526854A1 Method for measuring power distribution in laser beam |
01/21/1997 | US5596387 Auto-exposure device of a camera |
01/21/1997 | US5596310 Received light level indicating system for beam sensor |
01/16/1997 | WO1997001926A2 Digital offset corrector for microbolometer array |
01/15/1997 | EP0753735A2 Specimen testing apparatus |
01/15/1997 | EP0753138A1 Optical corona monitoring system |
01/15/1997 | EP0752937A1 Rain sensor |
01/15/1997 | EP0645001B1 Use of vanadium oxide in microbolometer sensors |
01/14/1997 | CA2177228A1 Luminometer |
01/08/1997 | EP0752133A1 Flow cytometer |
01/08/1997 | EP0602230B1 Radiation protection arrangement with integrated exposure indicator |
01/08/1997 | EP0441898B1 Optical sensing apparatus and method |
01/07/1997 | US5592325 Method and apparatus for laser beam management with frequency converting compounds |
01/07/1997 | US5592296 Exhaust gas particle sensor |
01/07/1997 | US5592256 Photometry device for a camera |
01/07/1997 | US5592151 Fire monitoring system |
01/07/1997 | US5591978 Electronic monitor |