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