Patents for G01J 1 - Photometry, e.g. photographic exposure meter (22,989)
08/1984
08/21/1984US4467208 Radiation sensor containing fluorescible material
08/21/1984US4467204 Polarimeter system
08/21/1984US4467203 Low noise amplifier and method for energy biased radiation sensitive receiver
08/21/1984US4467192 Optical receiver
08/21/1984US4466941 Photosensitive compositions and products
08/16/1984WO1984003176A1 Self-compensating hydrostatic flattening of semiconductor substrates
08/15/1984EP0115902A2 Spectrophotometer
08/14/1984US4465370 Light measuring device
08/14/1984US4465369 Light measuring device
08/14/1984US4465354 System and method for calculating a light information value
08/08/1984EP0115294A2 Photometric device
08/08/1984EP0115025A2 Optical sensor
08/07/1984US4464049 Illumination flicker meter
07/1984
07/31/1984US4463261 Analysis apparatus
07/31/1984US4463258 Imaging apparatus
07/31/1984US4462688 Spectrally tailored wafer chuck shaped light meter
07/25/1984EP0114053A2 Device for determining the angle of incidence of optical radiation
07/18/1984EP0113468A2 Optical device for deflecting optical rays
07/17/1984US4460263 Apparatus for calculating and displaying and/or controlling exposure parameters for photographic pictures
07/10/1984US4459484 Radiation detector for a flame alarm
07/03/1984US4458147 Apparatus for evaluating optical signals
06/1984
06/19/1984US4455487 Fire detection system with IR and UV ratio detector
06/19/1984US4455070 Compensating circuit for an infrared-ray signal detection device in an auto focus camera
06/19/1984US4454658 Device to locate communication satellites
06/12/1984US4453813 Photometric device for single-lens reflex camera
06/05/1984US4452072 Combustion condition sensor
05/1984
05/30/1984EP0109712A2 Infrared thermal detector
05/22/1984US4449822 Exposure indicator
05/22/1984US4449821 Process colorimeter
05/16/1984EP0108375A2 Inspection method for electron beam engraved printing surfaces
05/15/1984US4448529 Spectral analysis of a beam of radiation
05/08/1984US4447151 Method and apparatus for fast laser pulse detection using gaseous plasmas
05/08/1984US4446723 Optical combustion event sensor structure particularly knock sensor for an internal combustion engine
05/08/1984CA1167133A1 Selective ultraviolet signal amplifier circuit
05/02/1984EP0107425A2 Radiation pattern change detection
05/01/1984US4446372 Detector cold shield
05/01/1984US4446106 Analysis system
04/1984
04/25/1984EP0106728A1 Method and device for the stabilization of the gain of a photosensitive avalanche element
04/25/1984EP0106721A2 System for the observation and automatic quantitative valuation of events detectable by fluorescence
04/25/1984EP0106200A1 Equipment for the automatic switching and control of room illumination
04/24/1984US4445034 Compound infrared detector
04/24/1984US4444499 Detector for use in optical measuring instruments
04/24/1984EP0094946A4 Measuring intensities of illumination over a light beam.
04/03/1984US4440506 Laser power meter
03/1984
03/29/1984WO1984001232A1 Discriminating fire sensor with thermal override capability
03/28/1984EP0103583A1 Improvements in or relating to light detecting and measuring devices.
03/27/1984CA1164555A1 Photodetector signal control
03/20/1984US4437763 Control of detector gain hysteresis in a single beam spectrophotometer
03/20/1984US4437762 Control of detector gain hysteresis in a single beam spectrophotometer
03/13/1984US4436994 Photomultiplier detector protection device and method
03/07/1984EP0102282A2 Method and device for measuring small amounts of gaseous components
03/07/1984EP0102101A1 Pyroelectric infra-red radiation detector
03/06/1984US4435462 Infra-red detector elements
03/06/1984US4435078 Electronic light beam tester
03/06/1984CA1163115A1 Electronic light beam tester
02/1984
02/28/1984US4433914 Exposure meter
02/22/1984EP0101078A2 Transmitter-receiver device for an optical fibre sensor system
02/22/1984EP0101055A1 Device for sensing moving light source
02/21/1984US4432595 Optical element for photographic radiometer
02/14/1984US4431924 Code system in a multi-channel analysis equipment and a device related to the system
02/08/1984EP0099920A1 Teaching or amusement apparatus.
02/07/1984US4430000 Radiation measuring system
01/1984
01/31/1984CA1161568A1 Discharging element energizing circuit for discharge- type fire alarm sensor unit
01/10/1984US4425502 Pyroelectric detector
01/05/1984WO1984000063A1 Dosimeter for photometric applications
01/03/1984US4424440 Automatic photocell loading
12/1983
12/27/1983US4422323 Combustion process observation element construction
12/27/1983US4422321 Combustion process sensor construction
12/21/1983EP0096325A2 Method and apparatus for determining the contrast threshold perceptable by the human eye
12/20/1983CA1159133A1 Schottky barrier photovoltaic detector and process
12/20/1983CA1158890A1 Photometric analyser for studying automatically complex solutions
12/13/1983US4420252 Light measuring device for controlling exposure
12/06/1983US4419212 Combination gas oxygen concentration and combustion light sensor
12/06/1983US4418452 X-Ray detector
12/06/1983CA1158081A1 Scanning mirror arrangement
11/1983
11/30/1983EP0095201A1 Reproduction camera
11/30/1983EP0094946A1 Measuring intensities of illumination over a light beam
11/29/1983US4417812 Circuit arrangement for determining the characteristics of liquids and/or gases, in particular the hemoglobin content of the blood
11/23/1983EP0094706A2 Gas analyser
11/23/1983EP0094410A1 A method for comparison between a first optical signal and at least one other signal.
11/22/1983US4417217 Discharging element energizing circuit for discharge-type fire alarm sensor unit
11/15/1983US4415809 Electro-optical analyzer for measuring percentage by weight of fat, protein and lactose in milk
11/08/1983US4413916 Power meter for lasers
11/08/1983US4413509 Combustion process parameter sensor
11/01/1983US4413179 Mechanical vibrator for light beam chopper
11/01/1983US4412730 Metering device
11/01/1983US4412446 Optical combustion sensor, particularly for use with internal combustion engines
10/1983
10/26/1983EP0092330A2 Infra red photo detector systems
10/25/1983US4411521 Optoelectric detection device especially for laser radiation
10/18/1983US4409815 Combustion process sensor arrangement
10/12/1983EP0091394A1 Fibre-optical device for measuring physical quantities
10/12/1983EP0033332B1 Method for analysing the visibility conditions in a traffic scene
10/04/1983CA1154608A1 Method and apparatus for detecting fluorescence under ambient light conditions
09/1983
09/28/1983EP0089437A1 Method of and apparatus for measuring the power output of lasers
09/27/1983US4406996 Intensity compensator circuit for optical sensor in bank note machine
09/13/1983US4403861 Photometric analyzer for automatically studying complex solutions
09/13/1983US4403826 Ultraviolet radiation detector
09/07/1983EP0087827A1 Infra-red radiation detectors
09/07/1983EP0087535A1 Apparatus and method for measuring optically active materials
09/06/1983CA1153218A1 Method and apparatus for monitoring light signals from liquid medium