| Patents for G01J 1 - Photometry, e.g. photographic exposure meter (22,989) |
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| 04/20/1999 | US5895910 Electro-optic apparatus for imaging objects |
| 04/20/1999 | US5895233 Integrated silicon vacuum micropackage for infrared devices |
| 04/15/1999 | WO1999018417A1 Portable light source and system for use in leak detection |
| 04/14/1999 | EP0908731A1 Process for characterisation and automatic setting of a photocell |
| 04/14/1999 | CN2314358Y Temperature measuring part for integragh |
| 04/13/1999 | US5894353 Optical measuring method, optical measuring apparatus and image forming apparatus |
| 04/13/1999 | CA1340501C Sterolithographic beam profiling |
| 04/07/1999 | CN1213198A Laser pulse contrast measuring instrument |
| 04/07/1999 | CN1042857C Myriajoule/myriawatt level laser energy/power measuring equipment |
| 04/06/1999 | US5892585 Colorimeter for measurement of temporally variant light sources |
| 04/06/1999 | US5891682 Radiation dosimeter and method of making and using |
| 04/06/1999 | US5891512 Infrared detection device comprising a pyroelctric thin film and method for fabricating the same |
| 04/01/1999 | WO1999015381A1 Optoelectronic monitoring device for a motor vehicle |
| 03/31/1999 | EP0766887B1 Self-illuminating touch activated optical switch |
| 03/25/1999 | WO1999014647A1 Improvements in automated fluid flow systems |
| 03/25/1999 | WO1999014573A1 A dosimeter for sun radiation |
| 03/25/1999 | DE19742093A1 Photoelectric sensor array |
| 03/25/1999 | DE19740212A1 Semiconductor radiation detector with temperature compensation |
| 03/25/1999 | CA2304091A1 Improvements in automated fluid flow systems |
| 03/24/1999 | EP0903572A2 Window contamination detector |
| 03/24/1999 | EP0903564A2 High-temperature two-wire photocurrent detector circuit |
| 03/24/1999 | CN1211727A Digital photography detecting method for automobile lamp light distritution performance and its device |
| 03/24/1999 | CN1211726A Pyroelectric infrared ray sensor |
| 03/24/1999 | CN1042669C Transient spectroradiometer |
| 03/23/1999 | US5887077 Method for the recognition and evaluation of defects in reflective surface coatings |
| 03/23/1999 | US5886783 Apparatus for isolating light signals from adjacent fiber optical strands |
| 03/23/1999 | US5886351 Single element hemispherical light detector |
| 03/18/1999 | WO1999013359A1 Solar radiation sensor |
| 03/18/1999 | WO1999012509A1 Noise and light monitor apparatus |
| 03/18/1999 | DE19740211A1 Photoelectric detector arrangement for nuclear absorption spectroscopy |
| 03/18/1999 | CA2302734A1 Noise and light monitor apparatus |
| 03/17/1999 | EP0902536A2 Pyroelectric infrared ray sensor |
| 03/17/1999 | EP0902484A2 Sensor element with small area light detecting section of bridge structure |
| 03/17/1999 | EP0902479A1 Microbridge structure with reinforcement section |
| 03/17/1999 | EP0901613A1 Photon detector and method of manufacturing it |
| 03/16/1999 | US5884242 Focus spot detection method and system |
| 03/16/1999 | US5883585 On-road object detecting system |
| 03/16/1999 | US5883382 Photo-detecting device having optical axis orienting variable direction |
| 03/16/1999 | CA2087467C Wide field of view optical element |
| 03/11/1999 | WO1999012008A1 Verification device for optical clinical assay systems |
| 03/10/1999 | EP0901170A1 Wavelength selective photodiode and module comprising the same |
| 03/10/1999 | EP0900451A1 Apparatus and method for spraying herbicide on weeds in a cotton field |
| 03/10/1999 | EP0900365A1 An environmentally insensitive optical sensor with improved noise cancellation |
| 03/10/1999 | EP0900364A1 Method and apparatus for generating a control signal |
| 03/09/1999 | US5881193 Low profile optical subassembly |
| 03/09/1999 | US5880063 Method of improving coverage of chromogenic reaction product |
| 03/04/1999 | WO1999010717A1 Sensor housing for uv curing chamber |
| 03/03/1999 | EP0899547A1 A lens for a light detector |
| 03/03/1999 | EP0898932A1 Testing device for light-emitters |
| 03/02/1999 | US5877855 Arrangement for the detection of targets |
| 03/02/1999 | US5877500 Multichannel infrared detector with optical concentrators for each channel |
| 02/25/1999 | WO1999009383A1 Thermal infrared detector |
| 02/25/1999 | WO1999009381A1 Calibration system for a photomultiplier tube |
| 02/25/1999 | WO1998052629A3 Cell processing systems |
| 02/25/1999 | DE19835130A1 Light measuring unit |
| 02/25/1999 | DE19736844A1 Colorimetry device for surfaces or transmitted or reflected radiation |
| 02/25/1999 | DE19733992A1 System for determining unsafe intensities of infrared radiation |
| 02/24/1999 | EP0898159A2 Sensor system, method for manufacturing and self-test method |
| 02/24/1999 | EP0898157A1 Light sensor assembly |
| 02/24/1999 | EP0749630B1 Circuit arrangement |
| 02/24/1999 | EP0625692B1 Pyrheliometric sensor |
| 02/24/1999 | CN1208966A Sensing system and mfg. method therefor, and self-testing method therefor |
| 02/23/1999 | US5875026 Method and system for spatial filtering of an extended radiation source with chromatic aberration of imaging optics in single-element detector measurement for monitoring of the extended radiation source |
| 02/18/1999 | DE19733188C1 Vorrichtung zum Erfassen von solaren koronalen Massenausbrüchen A device for detecting solar coronal mass ejections |
| 02/17/1999 | EP0897240A2 Constant-temperature drive methods for infrared-image-pickup devices |
| 02/11/1999 | WO1999006852A1 System and method for discriminating between direct and reflected electromagnetic energy |
| 02/11/1999 | WO1999006805A1 Device for detecting eurptions of solar coronal matter |
| 02/11/1999 | DE19748826C1 Sun position sensor for automobile internal temperature regulation |
| 02/09/1999 | US5870307 Method and apparatus for production of high resolution three-dimensional objects by stereolithography |
| 02/09/1999 | US5869896 Packaged electronic module and integral sensor array |
| 02/09/1999 | US5869834 Photodetector having an integrated function for elimination of the effects of stray light |
| 02/09/1999 | CA2134541C Infrared detection switching circuit |
| 02/04/1999 | WO1999005723A1 A dual bandwidth bolometer |
| 02/04/1999 | WO1999005490A1 Luminous intensity sensor element and light beam modulating method and device employing such a sensor element |
| 02/04/1999 | WO1999005038A2 Package for a suncream |
| 02/04/1999 | CA2297151A1 Luminous intensity sensor element and light beam modulating method and device employing such a sensor element |
| 02/03/1999 | CN1207205A Organic luminescent coating for light detectors |
| 02/02/1999 | US5867807 Method and apparatus for determination of optical properties of light scattering material |
| 02/02/1999 | US5866935 Tunneling device |
| 02/02/1999 | US5866897 Optical waveform detecting device |
| 02/02/1999 | US5866887 Apparatus for detecting the number of passers |
| 01/28/1999 | WO1999004229A1 Measurement of brightness, flow velocity and temperature of radiant media |
| 01/28/1999 | DE19726581A1 Determining focus position of light beam in bar=code reader |
| 01/27/1999 | EP0893675A1 Luminous intensity sensor element and light beam modulating method and device employing such a sensor element |
| 01/26/1999 | CA2077179C Near-field photometric method and apparatus |
| 01/21/1999 | WO1998047102A3 Adaptive non-uniformity compensation algorithm |
| 01/20/1999 | EP0892412A1 Photoelectrochemical cell with a high response speed |
| 01/20/1999 | EP0892283A1 Reusable personal "sun-monitor" |
| 01/20/1999 | EP0892282A2 Object sensing apparatus |
| 01/20/1999 | EP0892257A1 Infrared sensor |
| 01/19/1999 | US5862419 Camera capable of displaying brightness distribution |
| 01/19/1999 | US5861947 Measuring device for measuring concentrated radiation of light |
| 01/19/1999 | US5861913 Heat-sensitive infrared-light image sensor with circuitry for canceling temperature-dependent drift components |
| 01/19/1999 | US5861621 Photosensor circuit having an initial setting unit |
| 01/14/1999 | WO1999001724A1 Device for projecting a defined light beam onto a photosensitive area |
| 01/14/1999 | CA2288711A1 Device for projecting a defined light beam onto a photosensitive area |
| 01/13/1999 | CN1205094A Method for analyzing signal of danger alarm system and denger alarm system for implementing said method |
| 01/12/1999 | US5859697 Fiber optic noise suppressor |
| 01/12/1999 | US5859463 Photosensitive imager contact pad structure |
| 01/12/1999 | US5859441 Scanning device |