Patents
Sitemap › G01 - Measuring; Testing › G01J - Measurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infra-red, visible or ultra-violet light; Colorimetry; Radiation pyrometry › G01J 1 - Photometry, e.g. photographic exposure meter
Patents for G01J 1 - Photometry, e.g. photographic exposure meter (22,989)
06/1982
06/23/1982EP0054353A2 Apparatus for reception and radiation of electromagnetic energy in predetermined fields of view
06/22/1982US4336459 Method and apparatus for detecting fluorescence under ambient light conditions
06/22/1982US4335959 Optical element for photographic radiometer
06/15/1982US4334776 Holographic plate exposure meter
06/15/1982CA1125925A1 Radiographic apparatus and method for monitoring film exposure time
06/10/1982WO1982001962A1 Gate modulation input circuit with polycrystalline silicon resistors
06/02/1982EP0052652A1 Incident light filter for cameras
06/01/1982US4333013 Evaluation instrument for phosphate glass dosimeter
06/01/1982US4332470 Spectrophotometer system having power line synchronization
06/01/1982US4332469 Optical multimeter
06/01/1982CA1124798A1 Arrangement for separating an optical signal from ambient light
05/1982
05/26/1982EP0052488A1 Visibility gauge
05/25/1982US4331402 Single-lens reflex camera
05/25/1982CA1124314A1 Light digitizing circuit for an electronic flash device
05/19/1982EP0051894A1 Imaging apparatus
05/18/1982US4330210 Spectrophotometer capable of correcting a dark current
05/18/1982US4330207 Fluorescence spectrophotometer
05/13/1982WO1982001617A1 Scanning mirror arrangement
05/11/1982US4329030 Integrating time detector for photographic apparatus
05/11/1982CA1123224A1 Apparatus for measuring components of liquid samples
05/11/1982CA1123222A1 Infrared analyzer
05/05/1982EP0050970A2 Opto-mechanical scanning mechanism
05/05/1982EP0050953A1 Flame detection circuit
05/04/1982US4328527 Selective ultraviolet signal amplifier circuit
05/04/1982US4328488 Flame-detecting apparatus including a field-limiting device
05/04/1982US4328068 Method for end point detection in a plasma etching process
04/1982
04/28/1982EP0050159A1 Method and apparatus for detecting the position of a laser beam
04/27/1982US4327371 Method and apparatus calibrating a plurality of preamplifiers
04/27/1982US4327285 Electron-optical image tubes and streak cameras
04/20/1982US4325633 Apparatus for determining of angle of incidence of electromagnetic energy
04/07/1982EP0049048A1 Fluorescent activated, spatially quantitative light detector
04/06/1982US4323925 Method and apparatus for arraying image sensor modules
04/01/1982WO1982001080A1 Device for calculating and indicating and/or controlling the lighting parameters for photographic shots
04/01/1982WO1982001066A1 Infrared radiation detector
03/1982
03/23/1982US4321615 Manufacture of an infra-red detector element, and detection elements so manufactured
03/23/1982US4321486 Photodetector signal control in charge transfer device imager
03/23/1982US4321462 Light measuring device
03/23/1982US4320976 Light measuring apparatus incorporating means for shielding light sensor for predetermined minimum time
03/23/1982US4320970 Photon counting fluorimeter
03/23/1982US4320969 Method and assembly for measuring equivalent sphere illumination in the field
03/23/1982CA1120565A1 Ultraviolet detection tube quenching circuitry
03/18/1982WO1982000884A1 Sun position sensor for two axis tracking
03/16/1982US4320462 High speed laser pulse analyzer
03/16/1982US4320289 Precision laser pulse radiometer
03/16/1982US4319830 Multispectral light detection system
03/16/1982CA1120132A1 Flame sensing system
03/16/1982CA1120126A1 Infrared intrusion alarm system with temperature responsive threshold level
03/10/1982EP0047084A1 Solar collection system
03/09/1982US4319258 Schottky barrier photovoltaic detector
03/03/1982EP0046491A2 Method and device for the measurement of light
02/1982
02/24/1982EP0046158A1 Ultraviolet dosimeter
02/23/1982US4317045 Flame monitoring apparatus and method
02/18/1982WO1982000527A1 Radiochromic liquid solution
02/09/1982US4315159 Optical sensor device with reduction of ambient light effects
02/09/1982US4314743 Optical gain control device
01/1982
01/27/1982EP0044621A1 Filter device
01/26/1982US4313067 Sensor-integrator system
01/19/1982US4311375 Light measuring circuit for photographic cameras
01/13/1982EP0043810A1 Electronic light beam tester
01/12/1982US4310763 Electro-optical analyzer for measuring percentage by weight of fat, protein and lactose in milk
01/12/1982US4310246 Photometer sphere
01/12/1982US4310243 Spectrophotometer with photomultiplier tube dark signal compensation
01/05/1982US4309604 Apparatus for sensing the wavelength and intensity of light
12/1981
12/29/1981US4308459 Ultraviolet radiation detection device
12/22/1981US4306807 Light measuring system
12/22/1981CA1114935A1 Photodetector heat stabilizer
12/22/1981CA1114918A1 Infrared detector
12/16/1981EP0041764A1 Method and apparatus for detecting fluorescence under ambient light conditions
12/16/1981EP0041668A2 Fiber optical measuring device
12/15/1981US4306143 Device for extracting a plurality of space frequency components
12/09/1981EP0041297A1 Pyroelectric detector
12/09/1981EP0041146A1 Method and apparatus for determination of angle incidence of electromagnetic energy
12/08/1981CA1114066A1 Pyroelectric detector circuits and devices
12/01/1981US4303855 System for separating an optical signal from ambient light
12/01/1981US4303410 Light burst activity analyzer
12/01/1981US4303317 Circuit layout to measure exposure times and/or to control the time of exposure for a photographic camera
11/1981
11/26/1981WO1981003385A1 Incident light filter for cameras
11/24/1981US4302780 Photometric system
11/24/1981US4302099 Programmable computing enlarging exposure meter
11/24/1981US4301591 Method of manufacturing infra-red detector elements
11/24/1981CA1112895A1 Automatic computing colour meter
11/10/1981US4299468 Photoelectric radiometer for photographic apparatus
11/10/1981US4299393 Area radiation target
11/10/1981CA1112376A1 X-ray detector
11/04/1981EP0039145A1 A device for use in identification of groups of samples analysed in a multi-channel analyser
11/03/1981CA1111933A1 Two-channel optical flame detector
10/1981
10/29/1981WO1981003068A1 Method and apparatus for measuring a laser ray
10/29/1981WO1981003066A1 Area radiation target
10/27/1981US4297688 Photoelectric smoke sensing and alarming device
10/20/1981US4295718 Exposure control circuit of camera
10/07/1981EP0037237A2 Energizing circuit for discharge-type fire alarm sensor unit
10/07/1981EP0036983A1 Analyzer for measuring laser pulse characteristics
10/06/1981US4293769 Detecting IR and mm radiation
10/06/1981US4293225 Underwater fluorometer measuring system
09/1981
09/30/1981EP0036731A1 Method of monitoring light signals from liquid medium
09/30/1981EP0036588A1 Photographing apparatus for an endoscope
09/29/1981US4292514 Apparatus for, and method for, achieving a temperature compensation of an avalanche photodiode
09/29/1981US4291979 Device for measuring light under ambient light and/or flash light and a method therefor
09/22/1981US4291224 Light image space frequency component extracting device
09/16/1981EP0035494A1 Hand-held digital temperature measuring instrument
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