| Patents for G01M 11 - Testing of optical apparatus; Testing structures by optical methods not otherwise provided for (14,356) |
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| 02/27/1994 | CA2104550A1 Method of Determining Azimuthal Position of Transverse Axes of Optical Fibers with Elliptical Cores |
| 02/23/1994 | CN1082717A A method of discriminating optical waveguides |
| 02/22/1994 | US5289254 Process and apparatus for testing optical components or systems |
| 02/16/1994 | EP0582831A1 Procedure and device for making measurements on optical waveguides |
| 02/15/1994 | US5286338 Methods for making microlens arrays |
| 02/10/1994 | DE4226203A1 Detecting fouling of uncovered optical fibre surfaces - by feeding light through fibre coating and detecting stray light at fouling points |
| 02/09/1994 | EP0582442A2 An optical fiber component characteristics measuring apparatus |
| 02/08/1994 | US5285360 Automotive headlamp adjuster |
| 02/08/1994 | US5283956 Device for indicating the aim of the optical axis of a reflector on a motor vehicle relative to a reference direction |
| 02/03/1994 | WO1994002835A1 Spectrometer for lensometer |
| 02/03/1994 | WO1994002823A1 Interferometric system for sensing and locating reflective defects in light-conducting structures |
| 02/03/1994 | WO1994002805A1 Lensmeter with guided lens movement for progressive addition lens |
| 02/03/1994 | WO1993021507A3 Moisture sensing signal generator |
| 02/02/1994 | EP0580858A1 Method of measuring the amount of light reflected by an optical fiber and device therefor |
| 02/02/1994 | CN2155016Y Single crystal glass fibre loss measurer |
| 02/02/1994 | CN1023660C Instrument of locating optical centre of lens |
| 02/01/1994 | US5283629 Method for assessing a vertex radius of curvature |
| 02/01/1994 | US5283628 Method for measuring diameters of non-circular fibers |
| 01/26/1994 | EP0580316A1 Performance monitoring and fault location for optical equipment, systems and networks |
| 01/25/1994 | US5282015 Methods and means for full-surface interferometric testing of grazing incidence mirrors |
| 01/18/1994 | US5280336 Automated radius measurement apparatus |
| 01/18/1994 | US5280335 Fiber-optical testing system having a detection circuit |
| 01/18/1994 | US5280334 Apparatus for measuring cross-sectional distribution of refractive index of optical waveguide by RNF method |
| 01/12/1994 | EP0578482A1 Apparatus for measuring cross-sectional distribution of refractive index of optical waveguide |
| 01/12/1994 | EP0578400A2 Optical low coherence reflectometer with delay sequence |
| 01/11/1994 | US5278932 Optical fiber splice verification system |
| 01/11/1994 | US5278628 Apparatus for measuring cross-sectional distribution of refractive index of optical waveguide by RNF method |
| 01/04/1994 | US5276497 For measuring the deviation from a specific position of a mirror surface |
| 12/23/1993 | WO1993026031A1 Dual-wavelength low-power built-in-test for a laser-initiated ordnance system |
| 12/23/1993 | WO1993025866A1 Sensing patches utilising incorporated waveguide sensor |
| 12/22/1993 | EP0575095A1 Full aperture grazing incidence interferometry |
| 12/22/1993 | EP0575031A2 Automated lensometer |
| 12/16/1993 | DE4218988A1 Centring measuring system for adjustment and testing of lenses or optical systems - has test object rotation angle sensor, laser, exchangeable objectives, half-wave plate for intensity regulation, light valve consisting of polarisation beam divider and quarter wave plate, and CCD line camera. |
| 12/15/1993 | EP0573778A1 Fiber optic joint sensor |
| 12/14/1993 | US5270537 Laser initiated ordance system optical fiber continuity test |
| 12/07/1993 | USH1268 Method and apparatus for controlling internal rotation of principal axes in fabrication of birefringement fibers |
| 12/07/1993 | US5268742 Optical metrology apparatus for examining a surface |
| 12/07/1993 | US5268741 Method and apparatus for calibrating a polarization independent optical coherence domain reflectometer |
| 12/07/1993 | US5268738 Extended distance range optical low-coherence reflectometer |
| 12/07/1993 | US5268732 Apparatus for measuring spectral transmissivity of optical fiber |
| 12/01/1993 | EP0571714A2 Improvements in or relating to the measurement of the curvature of a surface |
| 12/01/1993 | CN2148323Y Testing apparatus for grating digital display instrument |
| 11/30/1993 | US5265475 For detecting failures at a secured region |
| 11/24/1993 | EP0571252A1 Sample holder module for tests of an optical component |
| 11/24/1993 | CN2147525Y Automatic display laser edge instrument |
| 11/23/1993 | US5264905 Electro-optic automated test equipment |
| 11/18/1993 | DE4215556A1 Attenuation measurement appts. for tensioned optical fibre air cable in environmental chamber - has tube contg. constant temp. fluid through which pass sections of cable or conductor not exposed to influencing parameter |
| 11/16/1993 | US5263109 Optical transmission paths and methods of measuring their optical transmission times |
| 11/16/1993 | US5262639 Fiber optic cable monitoring method and apparatus including moisture detection and bending loss detection |
| 11/11/1993 | WO1993022647A1 Method for identifying optical line |
| 11/10/1993 | EP0478654B1 Optical time domain reflectometry |
| 11/10/1993 | EP0447439B1 Loss detection |
| 11/09/1993 | US5260819 Digital telemetry system and method for fault detection in optical transmission system |
| 11/09/1993 | US5260565 Separation of simultaneous events in a laser firing unit using a polarization technique |
| 11/07/1993 | CA2095303A1 System of detecting optical distortion of a light-transmitting platelike member |
| 11/04/1993 | DE4214654A1 Intensity compensation of optical system, e.g. rotation sensing system, - measuring intensity distribution in plane, associating distribution with that of lens and altering lens characteristics at corresp. points using e.g. pulsed laser. |
| 11/02/1993 | US5259047 Methods for determining optical fiber joint loss and joint elements useful in those methods |
| 11/02/1993 | US5258615 In a communications system for transmitting data |
| 10/28/1993 | WO1993021507A2 Moisture sensing signal generator |
| 10/20/1993 | EP0566218A2 Method for finding a preferred spot for a laser beam of a laser beam interferometer and laser interferometer apparatus |
| 10/20/1993 | EP0566217A2 Method and apparatus for focussing a beam of radiant energy |
| 10/20/1993 | CN1077534A In-pattern on-line coating defect detection system |
| 10/14/1993 | WO1993020416A1 Phase detection deflectometer-type optical device having a large measuring range |
| 10/14/1993 | DE4212066A1 Determn. of position of optical line esp. of headlamp - involves storage of pixel count dependent on comparison of row signal with preceding peak subject to percentage weakening |
| 10/12/1993 | US5253038 Interferometric device for detecting a centering error |
| 10/12/1993 | US5253035 Automatic optical measuring apparatus for optical fibers |
| 10/11/1993 | CA2091801A1 Automated lensometer |
| 10/07/1993 | DE4211467A1 Determining spatial anisotropy state of low oriented two=axis polymeric object - using circularly-polarised light and measuring refractive index,thickness, size and spatial position of indicatrix from interference image and isochromate |
| 10/06/1993 | EP0564366A1 Fiber optic strain detector |
| 10/06/1993 | EP0563196A1 Structural examination using holographic interferometry |
| 10/06/1993 | EP0563149A1 Optical communications system |
| 10/05/1993 | US5251003 Device for monitoring of alignment of two optical paths and laser designation system equipped with such a monitoring device |
| 10/05/1993 | US5251002 Mode transition matrix measuring system |
| 10/05/1993 | US5251001 Reflected optical power fiber test system |
| 10/05/1993 | US5250802 Fiber optic stress sensor for structural joints |
| 09/30/1993 | WO1993019453A1 Flat panel display inspection system |
| 09/23/1993 | DE4308622A1 Spirit level display for horizontal inclination angle of motor vehicle headlamp - contains elastic base, tube contg. gas bubble in liquid, indicators and clamp arrangement |
| 09/23/1993 | DE4208403A1 Planar optical waveguide signal distributor for optical communications network - has incoming signals fed to primary optical fibres split into secondary optical fibres associated with switched measuring couplers |
| 09/22/1993 | EP0561186A1 Method for shape grinding of the periphery of a spectacle glass |
| 09/22/1993 | EP0561178A2 Improvements in or relating to surface curvature measurement |
| 09/22/1993 | EP0561126A1 Calibration reflector device for an optical measuring system |
| 09/22/1993 | EP0560755A1 Apparatus and method for measuring refractive index. |
| 09/21/1993 | US5247341 Lensmeter for automatically measuring optical characteristic of a power lens |
| 09/15/1993 | EP0560426A1 Method with device for detecting reflections |
| 09/14/1993 | WO1993018386A1 Method and apparatus for determining the optical properties of a lens |
| 09/14/1993 | US5245402 General aspherical surface optical testing device |
| 09/14/1993 | US5245401 System for locating fresnel reflections along an optical fiber |
| 09/14/1993 | US5245180 Metal coated fiber optic damage detection sensors with system |
| 09/08/1993 | EP0559147A1 Lightguide-signal-detector |
| 09/08/1993 | CN1076028A Out-of-pattern coating defect detection system |
| 09/02/1993 | WO1993017360A1 Optical fibre |
| 09/01/1993 | EP0558015A2 A method for measuring a refracting power of an optical system and its apparatus |
| 08/31/1993 | US5240643 Polymer coated optical fibers embedded in matrix |
| 08/25/1993 | EP0556987A1 Coating defect detection system based on light scattering outside the expected region |
| 08/25/1993 | EP0556655A2 Device and method for testing optical elements |
| 08/24/1993 | US5239364 Light phase difference measuring method using an interferometer |
| 08/19/1993 | WO1993016533A1 Optical signal transmission network |
| 08/19/1993 | WO1993016364A1 Method of measuring the amount of light reflected by an optical fiber and device therefor |
| 08/19/1993 | WO1993016363A1 Test device for optical waveguides, and method of carrying out the test |
| 08/19/1993 | CA2129012A1 Optical signal transmission network |