| Patents for G01J 1 - Photometry, e.g. photographic exposure meter (22,989) |
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| 01/26/1993 | US5181654 Sunshine sensor and air conditioner for vehicle |
| 01/26/1993 | US5181386 Cryogenic cooling apparatus |
| 01/20/1993 | EP0523783A1 An image detector with wavelength shifter |
| 01/20/1993 | EP0523716A1 Infrared sensor and method for production thereof |
| 01/19/1993 | US5180908 Device for deriving a change of time-dependent information by converting the information to positional-dependent information |
| 01/19/1993 | US5180907 Method and apparatus for the measurement of rapid light variation superimposed on a slowly changing background light intensity |
| 01/13/1993 | EP0522614A1 Method of determining an electrical spectrum |
| 01/12/1993 | US5179423 Gain stabilized self-scanning photo-diode array |
| 01/12/1993 | US5179422 Contamination detection system |
| 01/12/1993 | US5179288 Apparatus and method for measuring a bodily constituent |
| 01/12/1993 | US5178990 Method of identifying output, main wavelength, etc., of light |
| 01/07/1993 | WO1993000045A1 Imaging a physical parameter using diffuse waves |
| 01/07/1993 | EP0521255A2 Photo detector arrangement |
| 01/05/1993 | US5177686 Method for determining the position of a space vehicle by means of star acquisition and star identification |
| 01/05/1993 | US5177557 Method for inspecting axis dislocation of multifiber connector |
| 01/05/1993 | US5177364 Infrared detector construction including a getter and method for manufacturing same |
| 12/30/1992 | EP0520973A1 Method and apparatus for measuring the luminance |
| 12/30/1992 | EP0519930A1 Measurement of luminescence |
| 12/23/1992 | EP0519239A2 Photoelectric switch sealed against infiltration of contaminants |
| 12/23/1992 | EP0519105A1 Photodiode array |
| 12/23/1992 | EP0519007A1 Multisensor high-resolution camera |
| 12/22/1992 | US5173750 Reflection densitometer |
| 12/22/1992 | US5173749 Method and apparatus for spectroscopic measurement of the concentration of a gas |
| 12/17/1992 | DE4119627A1 Measuring intensity of UV light emitted from source - using gas=filled photocell operated with pulsed voltage in self-sustaining glow discharge region and determining ratio of mean discharge pulse duration to trigger pulse duration |
| 12/16/1992 | EP0518780A2 Process and device for monitoring the operation of a laser beam optical chain carried by a welding tool |
| 12/16/1992 | EP0518733A1 Method and scanning device for an optoelectronic wide angle imaging apparatus with high resolution |
| 12/16/1992 | EP0518515A1 Rapid cooldown dewar |
| 12/16/1992 | EP0518026A1 Infrared radiation detector including a cooling device |
| 12/16/1992 | EP0356517B1 Pyroelectric infrared sensor |
| 12/15/1992 | US5172392 Apparatus for the analysis in continuous mode and in impulse mode of the distribution of energy within a power laser beam and the alignment of this latter |
| 12/15/1992 | US5172003 Reflex type optical sheet sensor having a dustproof plate with a roughed surface |
| 12/15/1992 | US5172002 Optical position sensor for scanning probe microscopes |
| 12/15/1992 | CA1311367C Optical analysis method and apparatus having programmable rapid random wavelength access |
| 12/10/1992 | DE4216085A1 IR gas analyser for continuously measuring multiple atom, non-elementary gas - uses alternating IR beam, absorption cuvette, interference filter, radiation receiver and evaluation circuit |
| 12/09/1992 | EP0517187A2 Wideband optical amplifier-receiver system |
| 12/09/1992 | EP0516821A1 Split v-roof mirror collector. |
| 12/08/1992 | US5170221 Parallel light ray measuring apparatus |
| 12/08/1992 | US5170035 Sensor circuit for controlling flow in an instrument loop |
| 12/08/1992 | US5169234 Infrared temperature sensor |
| 12/08/1992 | CA2070317A1 Wideband optical amplifier-receiver system |
| 12/02/1992 | EP0515689A1 Device for sensing in-focus position |
| 12/01/1992 | US5168154 Electrical avalanche photodiode quenching circuit |
| 11/26/1992 | WO1992021010A1 Method of optical sampling |
| 11/26/1992 | WO1992020505A1 Method of and apparatus for making a three-dimensional object by stereolithography |
| 11/24/1992 | US5166755 Spectrometer apparatus |
| 11/24/1992 | US5166504 Apparatus for controlling high-power laser beams with flexible member and mirror |
| 11/24/1992 | CA1310506C Electromagnetic radiation detecting device |
| 11/24/1992 | CA1310505C Avalanche photodiode quenching circuit |
| 11/19/1992 | EP0513903A1 Pyroelectric ceramic materials and their use |
| 11/18/1992 | CN1066329A Thermoelectric detecting device and the mfg. method |
| 11/17/1992 | US5163332 For transmitting radiation |
| 11/17/1992 | CA1310367C Electrochemically controlled superconductivity |
| 11/12/1992 | WO1992019930A1 Method and apparatus for optical imaging and measurement |
| 11/11/1992 | WO1992021137A1 Method and system for photodetector signal correction |
| 11/10/1992 | US5162874 Electrophotographic machine having a method and apparatus for measuring toner density by using diffuse electromagnetic energy |
| 11/05/1992 | DE4114592A1 Photodetector arrangement with current=carrying detector element in bridge - uses frequency modulation of bridge operating voltage and corresp. frequency selective evaluation of diagonal voltage |
| 11/05/1992 | DE4114489A1 Photodetector arrangement with current carrying element - uses frequency selective evaluation of detector voltage with modulation of detector current |
| 11/04/1992 | EP0511896A1 Method of forming high resolution infrared images and thermal camera with unidirectional scanning therefor |
| 11/04/1992 | EP0511806A2 Spectrophotometric apparatus |
| 11/04/1992 | EP0511346A1 Alignment control device and uses thereof. |
| 11/04/1992 | CN1065930A Weak -light instrument |
| 10/28/1992 | EP0511122A1 Optical transducer suitable to provide information representative of the state of a surface |
| 10/28/1992 | EP0510920A2 Thermal photodetector and method of manufacturing the same |
| 10/28/1992 | EP0510856A2 Improvements in or relating to optical gas detectors |
| 10/28/1992 | EP0510408A2 Photodetector arrangement |
| 10/27/1992 | US5159455 Multisensor high-resolution camera |
| 10/27/1992 | US5159410 Method for in-situ determination of the fermi level in GaAs and similar materials by photoreflectance |
| 10/27/1992 | US5159409 Substrate machining verifier |
| 10/27/1992 | US5159400 Apparatus for testing optical fiber by using detector having virtually broadened dynamic range |
| 10/27/1992 | US5159185 Precise color analysis apparatus using color standard |
| 10/27/1992 | CA2066816A1 Optical gas detectors |
| 10/21/1992 | CN2119647U Precise digit lightmeter |
| 10/15/1992 | WO1992017754A1 System for monitoring arc sensor protecting window |
| 10/14/1992 | EP0508970A1 Detector for infrared radiation |
| 10/14/1992 | EP0508182A2 Method and apparatus for measuring the optical absorbance of samples with automatic baseline correction |
| 10/14/1992 | EP0507805A1 Optical time domain relfectometer. |
| 10/13/1992 | US5155354 Object detection apparatus |
| 10/13/1992 | US5155093 Generating current by inputting a light signals to signal input protion, causing change in electrical characteristics, detecting changes to detect light signals |
| 10/07/1992 | EP0507526A2 Radiometer with correction device |
| 10/07/1992 | EP0506828A1 Apparatus and method for use in determining the optical transmission factor or density of a translucent element |
| 10/07/1992 | CN1018582B Optical-path arrangement for fluorescence testing and relevant equipment |
| 10/07/1992 | CN1018580B Pyroelectric infra-red detectors and their method of mfr. |
| 10/06/1992 | US5153926 Parallel processing network that corrects for light scattering in image scanners |
| 10/06/1992 | US5153667 Apparatus for detecting the change of light intensity |
| 10/06/1992 | US5153631 Photometric device for a camera |
| 10/06/1992 | US5153429 Solar radiation sensor housing with slanted photodetector and knurled filter |
| 10/06/1992 | US5153426 Radiation meter for radiation emerging from an optical fiber with a diffusely reflecting body and cavity |
| 10/06/1992 | US5153424 Flux monitor high light intensity cut-off circit for night vision devices |
| 10/06/1992 | US5153423 Circuit arrangement for reading out sensors sensitive to light or x-rays |
| 10/01/1992 | WO1992016820A1 Liquid crystal lens driver electronics for eye protection and high speed shuttering |
| 10/01/1992 | DE4110574A1 Measuring light intensity distribution of light or lamp - using light measurement device on closed surface about lamp, measuring light intensity at defined camera positions, weighting and summing values in each direction |
| 09/30/1992 | CN2117598U Portable qigong air checking apparatus |
| 09/30/1992 | CN2117597U Photometer for reading and writing |
| 09/30/1992 | CN1064937A Infrared band laser detecting board for organic double-frequency material |
| 09/29/1992 | US5151586 Scanning exposure device provided with intensity correction to compensate for scan angle |
| 09/29/1992 | US5151380 Method of making top buss virtual phase frame interline transfer CCD image sensor |
| 09/23/1992 | EP0505185A1 Optical sensor and method for producing the same |
| 09/23/1992 | EP0505131A1 Method for establishing an electrical field at a surface of a semiconductor device |
| 09/23/1992 | EP0505079A1 Auto-ranging film densitometer |
| 09/23/1992 | EP0504282A1 Infrared medical thermometer. |