| Patents for G01J 1 - Photometry, e.g. photographic exposure meter (22,989) |
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| 01/12/1999 | US5859429 Optical system with test/calibration |
| 01/12/1999 | US5859423 Plurality of photodetectors, each having individually selected light-transmitting member on front face to provide uniform output characteristic |
| 01/12/1999 | CA2033045C Device for calibrating of an optical instrument and related applications |
| 01/07/1999 | WO1999001014A1 Method for automatically controlling the intensity of a lighting used in units for detecting a position and/or for quality control |
| 01/07/1999 | WO1999000649A1 Method and apparatus for detecting low light levels |
| 01/07/1999 | WO1999000458A1 Devices for absorbing infrared radiation comprising a quasi-crystalline element |
| 01/07/1999 | EP0889332A1 Light curtain or light barrier with aligning aid |
| 01/07/1999 | EP0889306A1 Device for projecting a defined light beam onto a photosensitive area |
| 01/07/1999 | EP0888532A1 Passive infrared analysis gas sensors and applicable multichannel detector assemblies |
| 01/07/1999 | EP0888527A1 Radiation detection device |
| 01/07/1999 | EP0811155B1 Process for determining the surface state of highways in particular, and device for carrying out this process |
| 01/07/1999 | DE19814734A1 System for evaluating AC sensor signal carried on large DC signal |
| 01/06/1999 | CN1204053A Atomic absorption photometer |
| 01/05/1999 | US5856699 Photoelectric conversion apparatus with level photoreceiving surface |
| 12/30/1998 | WO1998059224A1 Method and apparatus for measuring spot size in an optical system |
| 12/30/1998 | EP0886920A1 Proximity and ambient light monitor |
| 12/29/1998 | US5854748 Boolean layer comparison slice |
| 12/23/1998 | EP0886132A2 Method and Apparatus for digitally capturing the measurement data of radiation detectors |
| 12/23/1998 | CN1202694A Semiconductor laser device and optic pick-up device |
| 12/22/1998 | US5852494 For identifying tissue under examination to look for physiological change |
| 12/22/1998 | US5852321 Thermal type infrared radiation solid state image pick-up device |
| 12/22/1998 | US5852292 Method of operating an optical light sensor |
| 12/17/1998 | DE19727471C1 Verfahren zur automatischen Intensitätseinstellung einer Beleuchtung für Einrichtungen zur Lageerkennung und/oder Qualitätskontrolle bei der automatischen Bestückung von Bauelementen A method for automatically setting the intensity of illumination for facilities for detecting the position and / or quality control in the automatic assembly of components |
| 12/16/1998 | EP0884651A2 Light intensity measuring system |
| 12/16/1998 | EP0883793A1 Method and apparatus for performing optical measurements using a fiber optic imaging guidewire, catheter or endoscope |
| 12/16/1998 | EP0581871B1 Apparatus for optical imaging and measurement |
| 12/16/1998 | CN1202244A Infrared optical system |
| 12/15/1998 | US5850098 Uncooled amorphous YBaCuO thin film infrared detector |
| 12/09/1998 | EP0882962A2 Light measuring device capable of measuring optical power level easily with high accuracy |
| 12/09/1998 | EP0882218A1 Synchronous detection system for multichannel infrared spectroscopy |
| 12/02/1998 | CN1200537A Optical recording/pickup head compatible with digital versatile disk (DVD) and recordable compact disk (CD-R) using holographic |
| 12/01/1998 | US5844668 Protection window for optical sensors in industrial applications |
| 12/01/1998 | US5844598 CCD based optical detector for a confocal microscope |
| 12/01/1998 | US5844240 Infrared sensing device and method |
| 11/26/1998 | WO1998052629A2 Cell processing systems |
| 11/26/1998 | WO1998027414A3 Variable microwave cold/warm noise source |
| 11/25/1998 | EP0879401A1 Compensation and status monitoring devices for fiber optic intensity-modulated sensors |
| 11/25/1998 | EP0653051B1 Structure and method for differentiating one object from another object |
| 11/25/1998 | EP0429566B1 Radiation detector array using radiation sensitive bridges |
| 11/24/1998 | US5841125 High energy laser focal sensor (HELFS) |
| 11/17/1998 | US5838843 Multipurpose optical sensor |
| 11/17/1998 | US5837997 Structure and method for detecting plants in a field using a light pipe |
| 11/17/1998 | US5837195 Luminometer |
| 11/12/1998 | WO1998050196A1 Device for detecting and calculating the focus point position, shape and power distribution of a laser beam |
| 11/11/1998 | EP0877237A2 Foil for UV dosimeter |
| 11/11/1998 | EP0876637A1 Measurement device for determining the optical characteristics of a display |
| 11/11/1998 | EP0876583A1 Radiant energy transducing apparatus with constructive occlusion |
| 11/10/1998 | US5835267 For calibrating an image sensor array using the sun as a light source |
| 11/10/1998 | US5834765 Integral ambient light and occupancy sensor having a linear array of sensor element and a segmented slit aperture device |
| 11/10/1998 | US5834760 Method of adjusting depth-of-field in laser scanners by dynamically adjusting laser power |
| 11/10/1998 | CA2173741C Multi-image detector assembly |
| 11/04/1998 | EP0875939A1 A spatially-modulated detector for electromagnetic radiation |
| 11/04/1998 | EP0875790A2 Lamp instability detecting system |
| 11/04/1998 | EP0875114A1 Optical detector for a narrow beam |
| 11/04/1998 | EP0875003A1 Electromagnetic and nuclear radiation detector using micromechanical sensors |
| 11/04/1998 | EP0767944B1 Infrared sensor and method for making same |
| 11/04/1998 | EP0721574B1 Sensor for detecting electromagnetic radiation |
| 11/03/1998 | US5831258 Pixel circuit with integrated amplifer |
| 10/30/1998 | CA2236068A1 Lamp stability diagnostic system |
| 10/29/1998 | WO1998035203A3 Method and apparatus for performing optical measurements using a rapidly frequency-tuned laser |
| 10/28/1998 | EP0721654B1 Image intensifier tube |
| 10/28/1998 | CN1197510A Device and method for optical package for providing feedback |
| 10/27/1998 | US5828437 Eye protection device |
| 10/27/1998 | US5827438 Thin incadescent filaments formed from a metallization layer confined by insulating layers, a radiant surface layer and a second metallization layer for contacts which altogether form a uniform planar plate; high intensisty |
| 10/22/1998 | WO1998047102A2 Adaptive non-uniformity compensation algorithm |
| 10/22/1998 | WO1998046935A1 Calibration medium for uv absorbance detectors |
| 10/21/1998 | EP0872897A2 Photodetectors using charge transfer |
| 10/20/1998 | US5825499 Method for checking wafers having a lacquer layer for faults |
| 10/20/1998 | US5825018 Optical lock-in detection technique for coherent detection applications |
| 10/20/1998 | US5824567 Methods for wavelength discrimination of monochromatic light beams |
| 10/20/1998 | US5823679 Method for outlining an energy zone on a surface |
| 10/15/1998 | DE19715209A1 Method for determining intensity of gravitational interaction |
| 10/13/1998 | US5821598 Pyroelectric detector incorporating ferroelectric layer in transistor |
| 10/13/1998 | US5821540 Semiconductor radiation-detecting device |
| 10/13/1998 | US5821527 Method and apparatus for exposure control in light-based measurement instruments |
| 10/08/1998 | WO1998044563A1 Photoelectric conversion integrated circuit device |
| 10/07/1998 | EP0869341A1 Thermal infrared detecting device |
| 10/07/1998 | EP0869332A2 Method and device to process a voltage signal of a sensor |
| 10/07/1998 | EP0726906A4 Synthesizing and screening molecular diversity |
| 10/07/1998 | CN2293816Y Third-order correlation-measuring instrument |
| 10/06/1998 | US5818597 Projection system visual characteristics analyzer |
| 10/06/1998 | US5818575 Lamp stablity diagnostic system |
| 10/06/1998 | US5818571 Apparatus with off-axis light path for characterizing the luminous intensity of lamp |
| 10/06/1998 | US5818062 Original edge detecting system and optical sensor using distance detecting light-receiving means |
| 10/01/1998 | WO1998043054A1 Device and process for extinguishing a source |
| 10/01/1998 | DE19739679A1 Stray light sensor to detect light from sample |
| 09/30/1998 | EP0867711A2 Measuring apparatus for determining static and/or dynamic light scattering |
| 09/30/1998 | EP0867702A2 Method of fabrication of an infrared radiation detector and more particularly an infrared sensitive bolometer |
| 09/30/1998 | EP0867701A1 Method of fabrication of an infrared radiation detector and more particularly an infrared sensitive bolometer |
| 09/30/1998 | EP0866953A1 Method and apparatus for determining characteristics of a sample in the presence of ambient light |
| 09/29/1998 | US5815590 Target light detection |
| 09/24/1998 | WO1998041824A1 Elastic radiation scatter-detecting safety device, analyzer apparatus provided with safety device, and method for controlling a laser excitation source |
| 09/24/1998 | WO1998041823A1 Apparatus for checking the calibration of optical probes |
| 09/24/1998 | DE19810551A1 Femtosecond visible light pulse method for measuring dielectric coefficient of non-linear crystal |
| 09/24/1998 | DE19710007A1 Backrest for a seat which is detachable at its rear edge region |
| 09/23/1998 | EP0866345A1 Variable-axis photodetector |
| 09/23/1998 | EP0865672A1 Infrared radiation detector having a reduced active area |
| 09/23/1998 | EP0865646A1 Method for analyzing the signals of a danger alarm system and danger alarm system for implementing said method |
| 09/23/1998 | CN2292279Y Electronic exposure meter |
| 09/23/1998 | CN1194033A Thermal emitted radiation detecting device |