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)
10/1999
10/14/1999WO1999051950A1 Ultraviolet radiometer
10/13/1999EP0949499A1 Process for discriminating the color of a surface and apparatus for implementing the process
10/13/1999EP0949491A1 A detector device including Peltier effect thermoelectric module
10/13/1999EP0847519B1 Thermal emitted radiation detecting device
10/12/1999US5966590 Method for manufacturing thermal-type infrared sensor
10/12/1999US5965892 Thermal-type infrared imaging device
10/12/1999US5965079 Method and apparatus for making a three-dimensional object by stereolithography
10/12/1999CA2066379C Thermal photodetector and method of manufacturing the same
10/07/1999WO1999050913A1 A method of making a wafer-pair having sealed chambers
10/07/1999WO1999050627A1 System for raising the spatial resolution of radiation detectors
10/07/1999WO1999050626A1 Enhancements in radiant energy transducer systems
10/07/1999DE19813558A1 Anordnung zur Ortsauflösungserhöhung von Strahlungsdetektoren Arrangement for spatial resolution enhancement of radiation detectors
10/06/1999EP0947006A1 Radiation detector
10/05/1999US5963252 Photometry device that detects and compensates for an inversion abnormality
10/05/1999US5962853 Process for determining the surface state of highways in particular, and device for carrying out this process
10/05/1999US5962845 Drive circuit for photoelectric sensor
09/1999
09/30/1999WO1999049276A1 Protective rating system for eyewear
09/30/1999DE19913142A1 Airborne combustion particulate matter detecting system (smoke detector)
09/29/1999EP0944952A2 Variable microwave cold/warm noise source
09/28/1999US5959727 System and method for discriminating between direct and reflected electromagnetic energy
09/28/1999US5959725 Large area energy beam intensity profiler
09/28/1999US5959655 Light beam scanning apparatus which controls power and spot shape of light beam
09/28/1999US5959339 Simultaneous two-wavelength p-n-p-n Infrared detector
09/28/1999US5959306 Portable light source and system for use in leak detection
09/28/1999US5959301 Ultraviolet detector
09/28/1999US5959291 Method and apparatus for measuring low power signals
09/23/1999WO1999047949A1 Stereoscopic, long-distance microscope
09/23/1999DE19809792A1 Apparatus for investigating a medium, especially hot gas or plasma, e.g. for measuring absorption and/or emission of combustion gas in internal combustion engine combustion chamber
09/22/1999EP0943955A2 Photometric device and camera using the photometric device
09/22/1999EP0943174A1 Microwave active solid state cold/warm noise source
09/21/1999US5956355 Method and apparatus for performing optical measurements using a rapidly frequency-tuned laser
09/21/1999US5956133 Apparatus for measuring a reflection characteristic
09/21/1999US5955734 High temperature two-wire photocurrent detector circuit
09/21/1999US5955726 System for automatically sensing light in a predetermined range and correcting a meter luminance
09/21/1999CA2181751C Method and apparatus for monitoring performance of a laser transmitter
09/21/1999CA2141038C Structure and method for differentiating one object from another object
09/16/1999DE19809653C1 Flame monitor for blue flame for e.g. safe operation of burner
09/15/1999EP0942232A2 Flame sensor with dynamic sensitivity adjustment
09/15/1999EP0941602A1 Dithered scan offset correction
09/15/1999EP0941458A1 Optical array converting uv
09/15/1999EP0753138A4 Optical corona monitoring system
09/15/1999CN2338738Y Equipment for measuring transmission rate and reflection rate for large sized optical elements
09/14/1999US5952686 Salient integration mode active pixel sensor
09/14/1999US5952664 For use in image reconstruction of a tissue being scanned
09/14/1999US5952659 Thermal infrared image sensor
09/14/1999US5950444 Electronic apparatus
09/14/1999CA2060658C Avalanche photodiode quenching circuit
09/09/1999DE19809908A1 Tuned, resonant vibrating chopper modulating radiation reaching sensors in row and matrix arrangements
09/08/1999EP0939933A1 Light detection device
09/08/1999EP0939885A1 A method and an optical receiver for measuring optical power
09/08/1999CN2337542Y Ultraviolet lamp tube strength monitoring cabinet
09/08/1999CN1227926A Radiation detecting device and radiation detecting method
09/07/1999US5949540 Optical measuring device, and spectroscopic light equipment and photodetector suitable therefore
09/07/1999US5949535 Protective rating system for eyewear
09/07/1999US5949534 For measuring the radiation pattern of a radiating source
09/07/1999US5949468 Light quantity measuring system and exposure apparatus using the same
09/07/1999US5949073 Photo detector
09/07/1999US5949071 Uncooled thin film pyroelectric IR detector with aerogel thermal isolation
09/07/1999CA2163731C Infrared-rays sensor and manufacturing method therefor
09/02/1999DE19907638A1 Ceramic calibration filter for use in image processing systems
09/01/1999EP0939309A2 Laser output measuring apparatus
08/1999
08/31/1999US5946086 Optical mean power controller with provisionable output levels
08/31/1999US5946085 Dielectric dispersion determining method in terahertz region using femtosecond ultrashort visible optical pulse
08/31/1999US5945669 Laser scan microscope and light-measuring apparatus
08/27/1999WO1999044020A1 Pyroelectric detector feedback amplifier low frequency response
08/26/1999WO1999023460A3 Spectrometer facility with a vacuum ultraviolet spectrometer and a detector device with a microspheric plate for spectroscopic partial pressure measurement in an environment with high magnetic fields
08/26/1999DE19839135A1 Photo-element array for use as photo-emitter for photoreceiver sensors
08/25/1999EP0937235A1 Intensity compensated scanning system
08/25/1999CN2335134Y Aluminium electroluminescence device
08/25/1999CN1044837C Optical device and apparatus for scanning information plane, comprising such an optical device
08/24/1999CA2184310C Diffused light reflectance readhead
08/19/1999WO1999041576A1 Method and device for determining the distribution of intensity and phase in a laser beam different cutting planes
08/19/1999DE19806559A1 Dish treatment in dishwasher
08/18/1999EP0936764A2 Method and apparatus for calibration of digital down converters in a signal processing system
08/18/1999EP0935748A1 Hybrid organic-inorganic semiconductor structures and sensors based thereon
08/17/1999US5939704 To detect the position of a primary beam of electromagnetic radiation
08/11/1999EP0935180A2 Back-up proximity sensor for a vehicle
08/11/1999EP0739476B1 Hot spot detection in rotary regenerative heat exchangers
08/10/1999US5936866 Light-detection system with programmable offset current
08/10/1999US5936729 Photo detector assembly for measuring particle sizes
08/10/1999US5936724 Flicker photometer
08/10/1999US5936231 Photoelectric sensor circuit comprising an auxiliary photodiode and a current mirror circuit
08/10/1999CA2259671A1 Method and apparatus for calibration of digital down converters in a signal processing system
08/09/1999CA2259105A1 Ultraviolet radiation sensor
08/05/1999WO1999039394A1 X-y addressable electric microswitch arrays and sensor matrices employing them
08/05/1999WO1999039167A1 Integrating ultraviolet exposure detection devices
08/05/1999WO1999039051A1 Document having a value
08/05/1999WO1999038703A1 Printed document having a value and comprising a luminescent authenticity feature
08/05/1999WO1999038702A1 Printed document having a value and comprising a luminescent authenticity feature
08/05/1999WO1999038701A1 Printed document having a value and comprising a luminescent authenticity feature based on a host lattice
08/05/1999WO1999038700A1 Printed document having a value, with luminescent authenticity feature
08/05/1999DE19804032A1 Wertdokument Value document
08/05/1999DE19804024A1 Wertdokument Value document
08/05/1999DE19804021A1 Wertdokument Value document
08/05/1999DE19804012A1 Wertdokument Value document
08/05/1999DE19803997A1 Wertdokument Value document
08/05/1999CA2324416A1 Integrating ultraviolet exposure detection devices
08/05/1999CA2319548A1 X-y addressable electric microswitch arrays and sensor matrices employing them
08/04/1999EP0933625A2 Wavelength-variable light source apparatus
08/04/1999EP0933623A1 Compound-eye crime prevention sensor system
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