| Patents for G01J 1 - Photometry, e.g. photographic exposure meter (22,989) |
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| 06/14/1988 | US4751542 Light metering system with user reference preselection capability |
| 06/14/1988 | US4751192 Process for the preparation of image-reading photosensor |
| 06/14/1988 | CA1237927A1 Lens means for use in radiation energy integrating spheres |
| 06/08/1988 | EP0269675A1 Parallel processor module for thermal imaging sensors. |
| 06/08/1988 | CN86107992A Process and instrument for discrimination and measuring of gauss light beam |
| 06/07/1988 | US4750142 Flame detector |
| 06/07/1988 | US4750139 Blackbody radiation sensing optical fiber thermometer system |
| 06/07/1988 | US4749853 Light barrier having multiplexer for actuating transceiver pairs and multiple channel operation |
| 06/07/1988 | US4749849 Device for determining the position of a radiation beam |
| 06/07/1988 | US4749275 Optical power meter with automatic switching of photodetectors having different wavelength sensitivity characteristics |
| 06/02/1988 | WO1988004065A1 Optical sensors and optical fibre networks for such sensors |
| 06/02/1988 | WO1988004038A1 Motion detector |
| 06/02/1988 | WO1988004037A1 Integrated detector dewar cryoengine |
| 06/02/1988 | WO1988004034A2 Avalanche photodiode quenching circuit |
| 06/01/1988 | EP0269161A2 Infrared radiation detection device |
| 06/01/1988 | EP0269142A1 An apparatus for determining the path of a pulsed light beam |
| 06/01/1988 | CN87203583U Photoelectric sensing device |
| 05/26/1988 | DE3736442A1 Device for the combined ignition and monitoring of burners |
| 05/26/1988 | DE3736417A1 Combined ignition and monitoring device for burners |
| 05/26/1988 | DE3733764A1 Device for measuring electromagnetic radiation |
| 05/26/1988 | DE3638787A1 Multi-channel gas analyser having at least two gas cuvettes and having light sources |
| 05/25/1988 | EP0268552A1 Contrast monitor |
| 05/25/1988 | EP0268455A1 Optical detector storage effects reduction |
| 05/25/1988 | EP0191063A4 Method for impressing grating within fiber optics. |
| 05/24/1988 | US4746958 Method and apparatus for projection printing |
| 05/24/1988 | US4746205 High energy laser beam replica producing method and system |
| 05/24/1988 | CA1237145A1 Acetylenic compounds containing urea moieties useful as environmental indicating materials |
| 05/18/1988 | EP0267738A2 Method and apparatus for assessing discrete objects |
| 05/17/1988 | US4745280 Apparatus for measuring the profile of a laser beam |
| 05/17/1988 | US4745274 Semiconductor light detecting integrated circuit |
| 05/17/1988 | US4745273 Method and apparatus for measuring luminosity with controlled sensitivity |
| 05/17/1988 | US4744667 Microspectrofluorimeter |
| 05/11/1988 | EP0266682A2 Spectrophotometer with line frequency slaved voltage-to-frequency converter system |
| 05/11/1988 | EP0266461A1 Methods for the detection and quantitation of immunological substances |
| 05/11/1988 | DE3706056A1 Process for generating and detecting optical spectra and a switching and sensor system, in particular for sewing and textiles automation |
| 05/04/1988 | EP0265952A2 Apparatus for determining the concentration of a light-absorbing material in blood |
| 05/03/1988 | US4742231 Radiation sensor |
| 05/03/1988 | US4742222 Selective optical detector apparatus utilizing longitudinal chromatic aberration |
| 05/03/1988 | CA1235924A1 Circuitry for a portable test strip reading instrument |
| 04/26/1988 | US4740823 Photo-detectors |
| 04/26/1988 | US4740702 Cryogenically cooled radiation detection apparatus |
| 04/26/1988 | US4740685 Double sweep streak camera device |
| 04/26/1988 | US4740684 Streak camera with refractive light beam conditioner |
| 04/26/1988 | US4740081 Optical measuring apparatus |
| 04/26/1988 | US4740080 Analog to digital converter for fluid analyzing apparatus |
| 04/19/1988 | US4739360 Light metering device for camera |
| 04/19/1988 | US4739167 Device for synchronous modulation, synchronous light-path switch-over and control-signal derivation for step-drive controlled modulation and switch-over devices |
| 04/19/1988 | US4738064 Hermetically sealed window |
| 04/14/1988 | DE3634597A1 Method and arrangement for measuring the radiant intensity of optical transmitters radiating incoherent light or the luminous intensity of incoherent light sources |
| 04/12/1988 | US4737668 Circuit arrangement for reducing the settling time of logarithmic amplifiers |
| 04/12/1988 | US4737653 Image sensor with auxiliary light source |
| 04/12/1988 | US4737652 Method for the periodic determination of a quantity to be measured, using a reference signal |
| 04/12/1988 | US4737030 Apparatus and method for analyzing spectral radiance |
| 04/12/1988 | US4737029 Photometer |
| 04/05/1988 | US4736105 Flame detector system |
| 03/30/1988 | EP0261834A2 Apparatus and method for self-referencing and multiplexing intensity modulating fiber optic sensors |
| 03/29/1988 | US4734923 Lithographic system mask inspection device |
| 03/29/1988 | US4733944 Optical beam integration system |
| 03/29/1988 | US4733684 Means and method for testing the homogeneity of a solution |
| 03/24/1988 | DE3631032A1 Spectrometer, method for calibrating a spectrometer and method for measuring the remission spectrum of an object under analysis by means of a spectrometer |
| 03/23/1988 | CN87213433U Light measurer for preventing myopia |
| 03/22/1988 | US4733129 Streak tube |
| 03/22/1988 | US4733081 Method and apparatus for sensing a human body |
| 03/15/1988 | US4731881 Narrow spectral bandwidth, UV solar blind detector |
| 03/15/1988 | US4731529 Light measuring circuit having circuitry for bypassing a low frequency component in the output of a photoelectric conversion element |
| 03/09/1988 | EP0259036A2 Inspection apparatus |
| 03/09/1988 | EP0258996A2 Thin-film optical components |
| 03/08/1988 | US4729655 Device for shaping the angular response of a light meter or the angular emission of a light source |
| 03/02/1988 | EP0257959A2 Optical fibre measurement apparatus and method |
| 03/02/1988 | EP0257229A2 Fotometer |
| 03/02/1988 | EP0257093A1 Microspectrofluorimeter |
| 03/02/1988 | CN87203848U Light-testing stationery box for protecting student's eyesight |
| 02/25/1988 | WO1988001416A1 Ultra-violet flame detector with analog output |
| 02/25/1988 | WO1988001375A1 Fault detection and reset in surface reflectance meter |
| 02/25/1988 | WO1988001373A1 Apparatus for measuring properties of a laser emission |
| 02/25/1988 | WO1987005462A3 Apparatus for determining meat quality |
| 02/24/1988 | EP0256742A2 Method for measuring concentration of adhesive of coating layer surface |
| 02/24/1988 | EP0256310A2 Fluorescent sensors for infrared free-space links in data communication systems |
| 02/24/1988 | EP0256074A1 Light detector |
| 02/23/1988 | US4727255 Silicone dielectric gel cryogenic detector interface |
| 02/23/1988 | US4726684 Measurement apparatus for optical transmission factor |
| 02/23/1988 | US4726676 Optical signal power measurement method and apparatus |
| 02/16/1988 | US4725866 Light measuring apparatus |
| 02/16/1988 | US4725140 Method of measuring specific binding reaction with the aid of polarized light beam and magnetic field |
| 02/16/1988 | US4725110 Method for impressing gratings within fiber optics |
| 02/16/1988 | US4724835 Laser therapeutic device |
| 02/16/1988 | CA1232959A1 Infra-red radiation detector |
| 02/11/1988 | WO1988001124A1 Low noise preamplification stage |
| 02/09/1988 | US4724326 For determining fluorescence of materials in a scene being viewed |
| 02/09/1988 | US4724313 Dual resolution sensor for signal tracking and the like |
| 02/03/1988 | EP0186704A4 Automatic monochromator-testing system. |
| 02/02/1988 | US4722607 Luminescence sensor |
| 02/02/1988 | US4722606 Analytical photometer, in particular multi-channel, applied to a centrifugal system adapted to perform practically simultaneous determination of the presence of different substances in a certain number of samples |
| 01/28/1988 | WO1988000757A1 Correlated sampling amplifier |
| 01/27/1988 | EP0253872A1 Infrared gas analyzer with automatic zero adjustment. |
| 01/27/1988 | CN87104453A 光学外差接收机 Optical heterodyne receiver |
| 01/26/1988 | US4721852 For indicating hostile infrared-sighting radiation |
| 01/21/1988 | DE3623345A1 Method for selectively measuring the concentrations of IR to UV radiation-absorbing gaseous and/or liquid components in gases and/or liquid substances, and device for carrying out the method |
| 01/20/1988 | EP0252968A1 Ice-combative measures |
| 01/20/1988 | CN87200643U Discrete light pulse flux measuring device |