| Patents for G01J 1 - Photometry, e.g. photographic exposure meter (22,989) |
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| 01/11/2000 | CA2037324C Apparatus and method for calibration in a spectrophotometer |
| 01/06/2000 | WO2000001163A1 Color sequential imager |
| 01/06/2000 | CA2336010A1 Color sequential imager |
| 01/05/2000 | EP0944952A4 Variable microwave cold/warm noise source |
| 01/04/2000 | US6011584 Method and apparatus for correcting offsets of two detectors using respective functions of a difference |
| 01/04/2000 | US6011464 Method for analyzing the signals of a danger alarm system and danger alarm system for implementing said method |
| 01/04/2000 | US6011257 Bolometer infrared image sensor with an improved compensation circuit for compensating fixed pattern noise |
| 01/04/2000 | US6011252 Method and apparatus for detecting low light levels |
| 12/30/1999 | DE19841423C1 Radiation detector for computer tomography apparatus |
| 12/30/1999 | DE19828433A1 Optoelektronische Sensoranordnung Photoelectric sensor array |
| 12/30/1999 | DE19809920C1 Optischer, insbesondere optoakustischer Sensor sowie optisches Mikrofon Optical, in particular opto-acoustic sensor and optical microphone |
| 12/29/1999 | EP0967794A1 Photodiode array |
| 12/29/1999 | EP0967467A2 Optoelectronic sensor device |
| 12/29/1999 | EP0966659A1 Multichannel infrared detector with optical concentrators for each channel |
| 12/29/1999 | CN2356333Y 改进式红外线接收器 Improved infrared receiver |
| 12/23/1999 | DE19926396A1 Laser drilling breakthrough detector for a work piece |
| 12/22/1999 | EP0965823A2 Method for analyzing light intensity distribution |
| 12/22/1999 | EP0965064A1 Energy-depleted radiation apparatus and method |
| 12/21/1999 | US6005661 Optical system with wide measuring ranges |
| 12/21/1999 | US6005659 Mini-disc laser power meter and method of making the same |
| 12/21/1999 | US6005252 Method and apparatus for measuring film spectral properties |
| 12/21/1999 | US6005249 Cosine corrected optical pathway of a spectral radiometer |
| 12/21/1999 | US6005236 Automatic sun tracking apparatus |
| 12/16/1999 | WO1999064828A1 Portable uv dosimeter |
| 12/16/1999 | WO1999064267A1 Imaging system for vehicle headlamp control |
| 12/16/1999 | DE19825416A1 Tragbares UV-Dosimeter Portable UV dosimeter |
| 12/15/1999 | CN2354118Y MIcro-indicator of illuminance for student's reading |
| 12/14/1999 | US6002122 High-speed logarithmic photo-detector |
| 12/09/1999 | DE19822924A1 Measuring the distribution of the energy field density of a laser beam |
| 12/08/1999 | EP0962787A2 Method of verifying an extension area sensor controller, master controller of area sensors, and cover to be used when no slave controller is added |
| 12/08/1999 | CN2352938Y Dizziness proof arrangement for detecting head light of automobile |
| 12/08/1999 | CN2352937Y Low infrared response silicon photocell photometry detecting device |
| 12/08/1999 | CN1237701A Infrared detecting element and its manufacturing method |
| 12/02/1999 | WO1999061893A1 Method and device for measuring internal characteristic distribution of scattering/absorbing body |
| 12/02/1999 | WO1999061106A1 Device for determining the appropriate exposure duration of a person to ultraviolet radiation and variants |
| 12/02/1999 | DE19924583A1 Infrared (IR) spectroscopy inspection of semiconductor wafers |
| 12/02/1999 | DE19923960A1 An infrared sensor for use in home alarm systems |
| 12/01/1999 | EP0961475A2 Rendering apparatus, multispectral image scanner, and three-dimensional automatic gonio-spectrophotmeter |
| 12/01/1999 | EP0750754A4 Optically coupled detector imaging system |
| 12/01/1999 | EP0724715A4 Multi-image detector assembly |
| 12/01/1999 | CN1237000A Infrared sensor |
| 12/01/1999 | CN1236891A Laser output measuring apparatus |
| 11/30/1999 | US5995862 System for monitoring ultraviolet radiation with associated checking of the characteristics of the skin for the administration of protective creams |
| 11/30/1999 | US5995235 Bandpass photon detector |
| 11/25/1999 | WO1999060803A1 Multiple sensor lux reader and averager |
| 11/25/1999 | CA2332871A1 Multiple sensor lux reader and averager |
| 11/24/1999 | EP0959329A2 Absolute intensity measurements in laser induced incandescence |
| 11/24/1999 | EP0900451A4 Apparatus and method for spraying herbicide on weeds in a cotton field |
| 11/24/1999 | CN1236097A Smoke detector with particle sensor |
| 11/24/1999 | CN1046670C Rain sensor |
| 11/23/1999 | US5991016 Apparatus for producing variable levels of uniform light flux |
| 11/23/1999 | US5991014 Light sensing device for sensing the light output of a bulb |
| 11/23/1999 | US5990944 Streak tube sweeping method and a device for implementing the same |
| 11/23/1999 | US5990628 Light level sensor for detecting the level of incident light and discriminating between natural and artificial light |
| 11/18/1999 | WO1999059186A1 Electronic tube |
| 11/18/1999 | DE19818832A1 Light mill based on radiometer effect as a decorative object |
| 11/18/1999 | DE19807471A1 Method for detecting and minimizing light beam losses when passing through an aperture, for pulsed or clocked beams, e.g. light wave guides in medicine, experimental physics |
| 11/17/1999 | EP0771416A4 Apparatus and method for determining a distance to an object in a field |
| 11/17/1999 | CN2349563Y 光源跟踪探测器 Source tracking detector |
| 11/16/1999 | US5987265 Photometry device of camera |
| 11/16/1999 | US5986755 Elastic radiation scatter-detecting safety device analyzer apparatus provided with safety device and method for controlling a laser excitation source |
| 11/16/1999 | US5986751 Atomic absorption photometer |
| 11/16/1999 | US5986273 Ultraviolet radiation sensor |
| 11/16/1999 | US5986268 Organic luminescent coating for light detectors |
| 11/16/1999 | US5986265 Infrared object detector |
| 11/16/1999 | US5984862 Device for controlling an amount of light of a lighting unit for an endoscope |
| 11/11/1999 | WO1999057726A1 Circuit with a sensor and non-volatile memory |
| 11/11/1999 | WO1999057528A1 Light source power tester |
| 11/11/1999 | WO1999056600A1 Reflectometer for a roasting system |
| 11/11/1999 | DE19819542A1 Schaltungsanordnung mit einem Sensorelement und einem nichtflüchtigen Speichermittel Circuit arrangement having a sensor element and a non-volatile memory means |
| 11/10/1999 | CN2348370Y Optical test standard debugging paper for purple light identification paper money equipment |
| 11/09/1999 | US5983121 Absorption information measuring method and apparatus of scattering medium |
| 11/09/1999 | US5982488 Compensator which experiences thermal expansion to compensate for changes in optical distance through a transparent material |
| 11/09/1999 | US5980049 Sensor assembly with dual reflectors to offset sensor |
| 11/04/1999 | DE19917109A1 Infrared movement sensor operating in daylight |
| 11/04/1999 | DE19913955A1 Optical sensor providing light intensity signal, e.g. for sunlight sensor installed in automobile |
| 11/03/1999 | EP0953853A2 Stacked material and optical function device |
| 11/03/1999 | EP0953212A2 Infrared radiation-detecting device |
| 11/03/1999 | CN1233855A Infrared detector |
| 11/02/1999 | US5978627 Method and system for measuring sensitivity of electrophotographic photoconductor |
| 11/02/1999 | US5978606 Photometric device and a light receiving section for use in a photometric device |
| 11/02/1999 | US5977603 Infrared detector and fabrication method thereof |
| 11/02/1999 | US5977544 Uncooled infrared photon detector and multicolor infrared detection using microoptomechanical sensors |
| 11/02/1999 | US5977533 Pulse width modulated optical sensor interface circuit having an emitter control circuit |
| 11/02/1999 | CA2180150C Hot spot detection in rotary regenerative heat exchangers |
| 10/28/1999 | WO1999054912A1 Active pixel cmos sensor with multiple storage capacitors |
| 10/28/1999 | WO1999054693A1 System for measuring luminance characteristics of objects, in particular objects with luminance dependent on emitting direction |
| 10/27/1999 | EP0952437A2 Laser output detector |
| 10/26/1999 | US5973789 Method and device for detecting spectral reflectance |
| 10/26/1999 | US5971913 Noise and light monitor apparatus |
| 10/21/1999 | WO1999053278A1 Sensor device and method for operating a sensor device |
| 10/20/1999 | EP0950904A1 Optical component, zinc sulfide sintered compact, and fabricating method thereof |
| 10/20/1999 | CN1232236A Device of auto-calling and method of it |
| 10/19/1999 | US5970433 Laser obstacle detection method and sensor |
| 10/19/1999 | US5969809 Light-measuring device for accurate and continuous measurement of light intensity |
| 10/19/1999 | US5969757 Imaging apparatus and method having enhanced moire reduction |
| 10/19/1999 | US5969336 Radiation sensor arrangement for detecting the frequency of radiation impinging thereon |
| 10/19/1999 | US5969334 Multi-pulse laser photography |
| 10/19/1999 | CA2184313C Diffused light reflectance readhead |
| 10/14/1999 | WO1999051951A1 Photo-sensitive element for indicating the exposure to ultraviolet radiation and method for producing said photo-sensitive element |