| Patents for G01M 11 - Testing of optical apparatus; Testing structures by optical methods not otherwise provided for (14,356) |
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| 01/12/1993 | US5179275 Method for measuring light being coupled into and out of a light waveguide |
| 01/12/1993 | US5179273 Method for testing or controlling a performance of an adaptive optic |
| 01/07/1993 | EP0521482A1 Fiber coupler manufacturing apparatus having an automatic breaking test device |
| 01/05/1993 | US5176731 Device for performing measurements on a transparent object, method of manufacturing a fiber and fiber manufactured by means of said method |
| 01/05/1993 | CA1312195C Endface assessment |
| 12/30/1992 | EP0520395A1 Optical heterodyne interference apparatus |
| 12/30/1992 | CN1067513A Method for fabricating optical fibre couplers |
| 12/29/1992 | US5175594 Lensmeter with correction for refractive index and spherical aberration |
| 12/29/1992 | US5175503 Ascertaining imaging cycle life of a photoreceptor |
| 12/29/1992 | US5175492 Calibration and error correction for electrical-source-to-e/o-device impedance mismatch and o/e-device-to-electrical-receiver impedance mismatch in a lightwave component analyzer |
| 12/29/1992 | US5175432 Infrared detector module test system |
| 12/29/1992 | CA1311939C Method for monitoring deformations of components with light waveguides |
| 12/24/1992 | DE4120148A1 Attenuation measuring device esp. for reeled optical cable - stretches cable over widely spaced rollers while attenuation is measured in conjunction with tension and extension |
| 12/23/1992 | CN1019605B Tester for amount of information on optical fibre panel |
| 12/22/1992 | US5173739 Automatic lensmeter for progressive addition lens |
| 12/17/1992 | DE4118215A1 Interferometric measurement of geometry and image quality of non-spherical surfaces - using two-beam interferometer with adjustable phase between measurement and reference paths |
| 12/16/1992 | EP0518107A1 Piston error estimation method for segmented aperture optical systems while observing arbitrary unknown extended scenes |
| 12/15/1992 | US5172421 Automated method of classifying optical fiber flaws |
| 12/10/1992 | DE4118840A1 Optical bench for setting optical component distances, esp. for research - has carriage movable on guide rail and with clamp mechanism with spring-loaded fixing element, for holding lenses, screens, light sources, etc. |
| 12/08/1992 | US5170220 Method of regulating optical axes of headlights for automotive vehicle |
| 12/08/1992 | CA1311284C Fiber optic break detector |
| 12/02/1992 | EP0515443A1 Optical test apparatus. |
| 11/25/1992 | EP0514858A2 Method for screening optical fiber and apparatus for carrying out method |
| 11/25/1992 | EP0514747A2 Instrument for measuring optical fibre length |
| 11/24/1992 | CA1310694C Method and apparatus for testing photoelectric circuits |
| 11/19/1992 | EP0513381A1 Method of identifying optical cables |
| 11/17/1992 | US5164785 Headlight aiming apparatus and display |
| 11/17/1992 | CA1310205C Quantitative lense analysis technique |
| 11/15/1992 | CA2068599A1 Instrument for measuring optical fibre length |
| 11/10/1992 | US5162864 Optical fibre measurement |
| 11/10/1992 | US5161877 Headlamp adjuster mechanism |
| 11/04/1992 | EP0511416A1 Multimode acousto-optic switch and dead zone correction method |
| 11/04/1992 | EP0511346A1 Alignment control device and uses thereof. |
| 11/04/1992 | CN1065932A Monocrystalline optic fiber loss measuring instrument |
| 11/03/1992 | CA1309773C Method for measuring splice loss of an optical fiber |
| 10/27/1992 | US5159412 Optical measurement device with enhanced sensitivity |
| 10/27/1992 | US5159400 Apparatus for testing optical fiber by using detector having virtually broadened dynamic range |
| 10/27/1992 | US5159399 Measuring device for an optical medium having a light receiver guidable to either of two measuring locations |
| 10/21/1992 | EP0509849A2 Measuring the cross-sectional distribution of the refractive index of an optical waveguide |
| 10/21/1992 | EP0509848A2 Measuring the cross-sectional distribution of the refractive index of an optical waveguide |
| 10/21/1992 | EP0509847A2 Measuring the cross-sectional distribution of the refractive index of optical waveguides |
| 10/17/1992 | WO1992018889A1 Distributed fiber optic sensor using clad material light backscattering |
| 10/17/1992 | CA2084401A1 Distributed fiber optic sensor using clad material light backscattering |
| 10/14/1992 | EP0507805A1 Optical time domain relfectometer. |
| 10/13/1992 | US5155544 Foucault method for testing an optical surface |
| 10/13/1992 | US5155439 Method of detecting and characterizing anomalies in a propagative medium |
| 10/13/1992 | CA1308573C Method of and apparatus for measuring polarization beat length in highly birefringent single mode optical fibres |
| 10/07/1992 | EP0507483A1 Optical fibre assembly for a laser system |
| 10/07/1992 | EP0506828A1 Apparatus and method for use in determining the optical transmission factor or density of a translucent element |
| 10/06/1992 | US5152067 Apparatus for measuring interpupilary distance of mounted spectacles |
| 09/30/1992 | EP0506401A2 Automated method of classifying optical fiber flaws |
| 09/29/1992 | US5151966 Optical fiber suitable for use in optical time domain reflectometry and method of manufacturing it |
| 09/29/1992 | US5151752 Method of measuring refractive indices of lens and sample liquid |
| 09/29/1992 | US5150958 Vehicular headlamp having inclination measuring unit |
| 09/24/1992 | DE4109552A1 Measuring refractive index, stress profiles of transparent inhomogeneous bodies - by passing parallel light through body embedded in index-matched medium, aperture and polarisation beam divider to receiver |
| 09/23/1992 | CN1018386B Shearing interferometer for detecting collimation of optical beams |
| 09/22/1992 | US5149961 Method and apparatus for optical fiber length determination |
| 09/16/1992 | EP0503874A2 Optical measurement device with enhanced sensitivity |
| 09/15/1992 | US5148507 Optical waveguide device with two predetermined wavelength, polarization independent, directional coupler switches |
| 09/15/1992 | US5148233 Optical attenuator and optical power meter calibration systems with optical-pulse conversion and averaging |
| 09/15/1992 | US5148231 Apparatus for measuring a refracting power of an optical system |
| 09/15/1992 | US5148230 Measurement apparatus having improved sample density using nested data acquisitions |
| 09/10/1992 | DE4107299A1 Contactless detection or adjustment of centering error for lenses - involves positioning surface w.r.t. fibre=optic sensor until received signal caused by surface rotation is sufficiently small |
| 09/09/1992 | EP0502422A1 Optical time-domain reflectometry apparatus |
| 09/08/1992 | US5146521 Optical fibre communication network |
| 09/08/1992 | US5146072 Method for determining large petal piston in a segmented imaging assembly |
| 09/08/1992 | US5145127 Wheels |
| 09/01/1992 | US5143029 Two cycle internal combustion hydrocycle engine |
| 08/27/1992 | CA2061318A1 System and method for checking the aim of a vehicle headlamp |
| 08/26/1992 | EP0125282B1 Optical fiber tap |
| 08/25/1992 | US5142141 Crack growth measurement network with primary and shunt optical fibers |
| 08/19/1992 | EP0499529A2 Optical loop back and line test apparatus |
| 08/19/1992 | EP0499171A1 Fresnel reflections locating system along an optical fibre |
| 08/18/1992 | US5140503 Headlamp aiming and leveling apparatus |
| 08/18/1992 | US5140167 Method and apparatus for determining cleave end angle of an optical fiber |
| 08/18/1992 | CA1306528C Optical fibre monitoring |
| 08/18/1992 | CA1306527C Optical fibre monitoring |
| 08/14/1992 | CA2060987A1 Localisation system of fresnel reflections along an optical fiber |
| 08/12/1992 | EP0498237A2 Arrangement for measuring the resolving power of ground observation apparatus |
| 08/11/1992 | US5138690 Fiber identifier |
| 08/11/1992 | US5138531 Headlamp for power vehicle |
| 08/11/1992 | US5137351 Optical time domain reflectometer for selective testing of optical fibers with different core diameters |
| 08/06/1992 | DE4202955A1 Automatic measurement arrangement for spectacle or contact lens refractive powder - contains position measurement and eccentricity evaluation units deciding acceptability of measurements |
| 08/06/1992 | DE4102342A1 Continuous measurement of optical fibre damping characteristics during manufacture - using modulated light passed through fibre material and detected frequency selectively |
| 08/04/1992 | US5136388 Method of evaluating a solid state image sensor using frequency distribution profile |
| 07/29/1992 | CN2111297U Light sounder |
| 07/28/1992 | US5134281 Microbend optic sensor with fiber being sewn thereto in a sinuously looped disposition |
| 07/28/1992 | US5133597 Method and device for measuring the transmission loss and optical waveguide |
| 07/21/1992 | US5131743 Apparatus and method for inspecting optical fibers |
| 07/15/1992 | EP0494545A1 Payout tester of a filament dispenser and method therefor |
| 07/14/1992 | US5130535 Methods of and apparatus for measuring bending loss along a length of optical fiber |
| 07/14/1992 | US5129722 Expansion windowing system for a measurement test instrument |
| 07/14/1992 | US5129721 Advanced waveform observation system using waveform smoothing with restricted waveform level difference |
| 07/09/1992 | WO1992011710A1 Optical communications system |
| 07/09/1992 | WO1992011516A1 Spectrometer |
| 07/07/1992 | US5128530 Piston error estimation method for segmented aperture optical systems while observing arbitrary unknown extended scenes |
| 07/07/1992 | US5127725 Method and apparatus for testing multiple optical fibers |
| 07/07/1992 | US5127724 Optical power meter |
| 06/30/1992 | US5126550 Method for assessing the optical quality of an imaging device |
| 06/30/1992 | CA1304244C Orientating optical fibres |