Patents for G01J 1 - Photometry, e.g. photographic exposure meter (22,989) |
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09/15/1987 | US4693599 Apparatus for measuring light beam characteristics |
09/15/1987 | US4693545 Apparatus for the controlled transmission of light |
09/15/1987 | US4693110 Method and apparatus for testing the operability of a probe |
09/11/1987 | WO1987005390A1 Purge air system for a combustion instrument |
09/09/1987 | EP0236008A1 Monitoring a laser beam |
09/09/1987 | EP0235284A1 Integrated infrared detector and cryoengine assembly. |
09/09/1987 | EP0235141A1 Ultraviolet radiation monitoring device. |
09/08/1987 | US4692623 Precision laser beam positioner and spatially resolved laser beam sampling meter |
09/08/1987 | US4692619 Pyroelectric type detecting device |
09/03/1987 | DE3606533A1 Photometric device |
09/02/1987 | EP0235044A2 A light detector |
09/02/1987 | EP0235029A1 Optical detector of the integrated optics type and its method of manufacture |
09/02/1987 | EP0234962A1 Reflective screen, its process of manufacture and its application in a thermal insulation device |
09/02/1987 | EP0234644A2 Infrared detectors |
09/02/1987 | EP0234595A2 Light collecting optics for a flame detector |
09/01/1987 | US4691107 Infra red photo detector systems |
09/01/1987 | US4691106 Apparatus for determining reflectivity of an object such as a mirror |
09/01/1987 | US4691104 One-dimensional pyroelectric sensor array |
09/01/1987 | US4690555 Solid-state wavefront slope determination |
08/26/1987 | CN86207265U Phototube type shortwave ultraviolet ray strength meter |
08/25/1987 | US4689305 Luminescence, amplification, switches |
08/20/1987 | DE3604815A1 Microscope photometer |
08/18/1987 | US4688091 Spacecraft camera image registration |
08/18/1987 | US4687934 Infrared gas analyzer with automatic zero adjustment |
08/18/1987 | US4687926 Spectrally filtered lens producing plural f-numbers with different spectral characteristics |
08/18/1987 | US4687921 Photomultiplier used in liquid scintillation counting with specimen-encircling curved photocathode |
08/18/1987 | US4687337 Atmospheric Aerosol extinctiometer |
08/18/1987 | US4687327 Oil mist monitor |
08/18/1987 | CA1225721A1 Infra-red radiation detector |
08/18/1987 | CA1225720A1 Infrared thermal detector |
08/13/1987 | WO1987004861A1 Light detector |
08/13/1987 | WO1987004804A1 Microspectrofluorimeter |
08/12/1987 | EP0232184A2 Infrared detector |
08/12/1987 | EP0232037A2 Optical beam integration system |
08/12/1987 | EP0231179A1 Concentration meter |
08/12/1987 | EP0112866B1 Dosimeter for photometric applications |
08/05/1987 | EP0230517A2 Light barrier |
08/04/1987 | US4684883 Method of manufacturing high-quality semiconductor light-emitting devices |
08/04/1987 | US4684798 Performance improvement for camera autofocus |
07/30/1987 | WO1987004519A1 Cryogenically cooled radiation detection apparatus |
07/30/1987 | WO1987004450A1 Ice-combative measures |
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 |
07/29/1987 | CN86210591U Sea-surface lumeter with interface receiving signals from fixed satellite |
07/29/1987 | CN86207853U Laser radiation detector with pvdf as sensitive material |
07/28/1987 | CA1224856A1 Infrared receiver having a cooled radiation detector |
07/28/1987 | CA1224640A1 Apparatus for determining the diffuse reflectivity of a sample surface of small dimensions |
07/22/1987 | EP0229602A1 Reflectometric method of measurement and apparatus for realizing the method |
07/22/1987 | EP0229355A2 Apparatus and method for carrying out photometric assays |
07/21/1987 | US4682030 Infrared radiation detector with integral fresnel lens window |
07/21/1987 | US4682022 Detector preamplifier for use with a MCT detector |
07/21/1987 | US4681441 Light measuring device |
07/21/1987 | US4681434 Dual spectra optical pyrometer having a serial array of photodectectors |
07/21/1987 | US4680960 Microwave and luminous probe |
07/16/1987 | WO1987004240A1 Infrared gas analyzer with automatic zero adjustment |
07/15/1987 | EP0228877A2 Comparative colorimeter |
07/15/1987 | EP0228721A1 Semiconductive radial photodetector and apparatus comprising such a detector |
07/15/1987 | CN86206441U Flash photometric meter |
07/15/1987 | CN86204091U Illumination sensor with silicon photocell as photoelectric element |
07/15/1987 | CN86107777A Frequency modulated photometric method |
07/07/1987 | US4679156 Microprocessor-controlled fire sensor |
07/07/1987 | US4678921 Photo-electric smoke detector with light shielding electrode |
07/07/1987 | US4678330 Method and apparatus for measuring solar radiation in a vegetative canopy |
07/07/1987 | US4678328 Non-optimum waveguide optical sensor |
07/07/1987 | CA1223938A1 Light detecting circuit |
07/01/1987 | CN86108495A Dual spectra optical pyrometer having a serial array of photodetectors |
06/30/1987 | US4677289 Color sensor |
06/30/1987 | US4676653 Apparatus for determining the diffuse reflectivity of a sample surface of small dimensions |
06/30/1987 | US4676640 Fluctuation analysis for enhanced particle detection |
06/30/1987 | CA1223667A1 Microcomputer clock circuit |
06/30/1987 | CA1223470A1 Incident light filter for cameras |
06/24/1987 | EP0226461A2 Process for the preparation of an image-reading photosensor. |
06/24/1987 | EP0225895A1 Integration receiving device for laser radiation |
06/24/1987 | EP0094410B1 A method for comparison between a first optical signal and at least one other signal |
06/23/1987 | US4675661 Light-attenuation type fire detector assembly |
06/23/1987 | US4675529 Fluorescent spectral analysis apparatus |
06/23/1987 | US4675525 Matrix device for the detection of light radiation with individual cold screens integrated into a substrate and its production process |
06/19/1987 | DE3544015A1 Gas analysis apparatus |
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 |
06/18/1987 | WO1987003681A1 Optical sensing system |
06/18/1987 | WO1987003670A1 Thermal damper for infrared detector |
06/18/1987 | WO1987002766A3 Device for measuring uv-radiation |
06/16/1987 | US4673282 Electrophotographic copying apparatus |
06/16/1987 | CA1222886A1 Scanning radiation detector |
06/11/1987 | DE3543789A1 Colour-measuring arrangement |
06/10/1987 | CN85108759A Achromatic standard board for reflection spectrum measurement |
06/02/1987 | US4670741 Smoke detection apparatus |
06/02/1987 | US4670655 Alarm apparatus for spatial surveillance |
06/02/1987 | US4669878 Automatic monochromator-testing system |
06/02/1987 | US4669877 Digital gain controlled current to voltage amplifier |
05/21/1987 | WO1987003086A1 Uv-sensitive composition and element for measuring uv dosage |
05/20/1987 | EP0222468A2 Method and apparatus for measuring single mode fiber mode field radius |
05/19/1987 | US4666301 Radiation responsive integrating amplifier |
05/12/1987 | US4665311 Smoke detecting apparatus |
05/12/1987 | CA1221557A1 Optical beam analyzer |
05/07/1987 | WO1987002768A1 Solid-state wavefront slope determination |
05/07/1987 | WO1987002766A2 Device for measuring uv-radiation |
05/06/1987 | EP0220511A2 Circuit arrangement for an infrared space surveillance detector |
05/06/1987 | EP0137790B1 Self-compensating hydrostatic flattening of semiconductor substrates |
05/05/1987 | US4663524 Apparatus for measuring parameters of light spots with a moving knife-edge mask |