| Patents for G01J 1 - Photometry, e.g. photographic exposure meter (22,989) |
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| 07/02/1985 | US4526452 Method and apparatus for measuring contrast sensitivity |
| 06/26/1985 | EP0145936A2 Method of and apparatus for measuring the transverse moments of the electromagnetic field associated with an optical beam |
| 06/25/1985 | US4525069 Optical absorption analyzer |
| 06/20/1985 | WO1985002713A1 Pre-amplifier in focal plane detector array |
| 06/19/1985 | EP0145199A2 Contact color image sensor |
| 06/19/1985 | EP0145071A2 Infra-red radiation detector |
| 06/12/1985 | EP0144089A2 Light detecting apparatus |
| 06/12/1985 | EP0103583B1 Improvements in or relating to light detecting and measuring devices |
| 06/11/1985 | CA1188538A1 Data compression system for a photometer |
| 06/04/1985 | US4521682 Photodetecting device having Josephson junctions |
| 05/29/1985 | EP0143047A2 Photosensisitive apparatus for the infra-red range |
| 05/23/1985 | WO1985002283A1 Detector array module-structure and fabrication |
| 05/14/1985 | US4516852 Method and apparatus for measuring intensity variation in a light source |
| 05/08/1985 | EP0140661A2 Optical beam analyzer |
| 05/08/1985 | EP0140502A1 Improvements relating to smoke detection apparatus |
| 05/07/1985 | US4516022 Detection of light-producing events |
| 05/02/1985 | EP0139375A1 A high density detector array |
| 05/02/1985 | EP0139335A2 Infrared receiver having a cooled radiation detector |
| 04/25/1985 | WO1985001801A1 Improved method and circuitry for measuring luminosity |
| 04/24/1985 | EP0137790A1 Self-compensating hydrostatic flattening of semiconductor substrates. |
| 04/17/1985 | EP0137704A2 Analog fading memory |
| 04/16/1985 | US4511250 Apparatus for measuring scalar irradiance |
| 04/09/1985 | US4509844 Photometric circuit in a photographic flash device |
| 04/09/1985 | US4509342 Infrared receiver having a cooled radiation detector |
| 04/02/1985 | US4508451 Atomic absorption spectrophotometer |
| 03/26/1985 | US4507226 Colorless polar solvent free of hydroxyl groups, hydrophobic substituted amino triphenyl methane leucocyanide dye, for dosimeters |
| 03/26/1985 | CA1184642A1 Infrared radiation detector |
| 03/19/1985 | US4506186 Spark plug and optical combustion sensor combination |
| 03/06/1985 | EP0065571A4 Gate modulation input circuit with polycrystalline silicon resistors. |
| 03/05/1985 | US4502786 Method and apparatus for automated determination of hemoglobin species |
| 03/05/1985 | US4502784 Analyzer compensation circuit |
| 03/05/1985 | CA1183364A1 Apparatus and method for measuring optically active materials |
| 02/26/1985 | US4501967 Broad band pyroelectric infrared detector |
| 02/20/1985 | EP0050138B1 Radiation detector |
| 02/19/1985 | CA1182635A1 Teaching or amusement apparatus |
| 02/12/1985 | US4498781 Data compression system for a photometer |
| 02/12/1985 | US4498767 Apparatus for measuring light |
| 02/12/1985 | US4498753 Photometric apparatus for cameras |
| 02/05/1985 | US4498012 Absolute radiometric detector |
| 01/30/1985 | EP0132372A1 Method of and apparatus for examining automotive headlamp |
| 01/30/1985 | EP0132370A2 Apparatus for measuring optical transmission factor |
| 01/29/1985 | CA1181831A1 Fire detection system with ir and uv ratio detector |
| 01/23/1985 | EP0131996A2 Infra-red radiation detector |
| 01/22/1985 | US4495416 Remote sensing instrument |
| 01/22/1985 | US4495408 Sunlight direction sensor |
| 01/15/1985 | US4493563 Pyroelectric detector |
| 01/08/1985 | US4492977 In an electronic color separation system |
| 01/08/1985 | US4492858 Photometric circuit having a plurality of photoelectric transducer elements capable of being selectively enabled for photometry |
| 01/02/1985 | CA1180214A Adjustable light collector and sampler therefor |
| 01/01/1985 | US4491727 Solar radiation sensor and system including same for measuring solar radiation distribution |
| 12/27/1984 | CA1180080A Optical receiver |
| 12/25/1984 | US4490605 Photoelectric detection structure |
| 12/18/1984 | US4489239 Portable remote laser sensor for methane leak detection |
| 12/18/1984 | US4489238 Infrared radiation detector |
| 12/18/1984 | US4488805 Reproduction camera control system |
| 12/12/1984 | EP0127913A1 Reproduction camera |
| 12/12/1984 | EP0127743A2 Light detecting circuit |
| 12/11/1984 | USRE31766 Sensor integrator system |
| 12/11/1984 | US4487478 Laser protection device |
| 12/11/1984 | US4487477 Optical beam splitter |
| 12/11/1984 | CA1179225A1 Sun position sensor for two axis tracking |
| 12/04/1984 | US4486096 Device for measuring incident light |
| 12/04/1984 | CA1178825A1 Power meter for lasers |
| 11/27/1984 | US4485306 Measurement of solar radiation |
| 11/27/1984 | US4484815 For producing a monochromatic light beam |
| 11/27/1984 | US4484565 Device for sensing moving light source |
| 11/21/1984 | EP0125417A2 Method and apparatus for converting radiant energy levels to digital data |
| 11/21/1984 | EP0125390A1 Semitransparent sensors and their manufacture and utilisation |
| 11/20/1984 | CA1178337A1 Automatic photocell loading |
| 11/14/1984 | EP0125016A2 Optical shields for optical sensing devices |
| 11/13/1984 | CA1177943A1 Photodetector sensitive to close-range infrareds |
| 10/30/1984 | US4479708 Temperature compensation system of light measuring circuit |
| 10/24/1984 | EP0122441A2 Spectroanalysis system |
| 10/24/1984 | EP0122364A1 A mirror for a spectrophotometer |
| 10/23/1984 | US4479062 Photo-electric conversion device with accumulation time control |
| 10/23/1984 | US4479057 Automatic biasing control circuit for emissions detector |
| 10/23/1984 | US4478513 Optical system for a spectrophotometer |
| 10/10/1984 | EP0121404A2 A photometric light absorption measuring apparatus |
| 10/09/1984 | US4476477 Graded bandgap multilayer avalanche photodetector with energy step backs |
| 10/09/1984 | US4476383 Photometering device for obtaining exposure information |
| 10/02/1984 | US4475036 Dual photoelectric cell assembly |
| 10/02/1984 | US4474471 Correlation spectrometer having high resolution and multiplexing capability |
| 10/02/1984 | US4474468 Method of and apparatus for measuring laser beam |
| 10/02/1984 | US4474036 Infra-red radiation detectors |
| 10/02/1984 | CA1175525A1 Passive infrared intrusion detection system |
| 10/02/1984 | CA1175499A1 Optical modulator |
| 09/26/1984 | EP0119356A1 Apparatus for measuring parameters of optical fibres |
| 09/26/1984 | EP0119264A1 Discriminating fire sensor with thermal override capability. |
| 09/25/1984 | US4473797 Multielement-sensor measuring device |
| 09/25/1984 | US4473289 Incident light filter for cameras |
| 09/19/1984 | EP0118919A2 Method and apparatus for converting spectral and light intensity values directly to digital data |
| 09/19/1984 | EP0118823A2 Method of and device for determining turbidity in liquids |
| 09/11/1984 | US4471221 Infra-red flame detector |
| 09/11/1984 | US4470856 Self-compensating hydrostatic flattening of semiconductor substrates |
| 09/11/1984 | US4470820 Sunshine simulator |
| 09/05/1984 | EP0117674A2 Radiation energy integrating sphere |
| 09/04/1984 | US4469942 Means and method for calibrating a photon detector utilizing electron-photon coincidence |
| 09/04/1984 | CA1173663A1 Optical system for a spectrophotometer |
| 08/28/1984 | US4468562 Dosimeter for photometric applications |
| 08/28/1984 | CA1173491A1 Fluorescent activated, spatially quantitative light detector |