| Patents for G01M 11 - Testing of optical apparatus; Testing structures by optical methods not otherwise provided for (14,356) |
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| 03/02/1988 | EP0257973A2 Method and apparatus for compensating fiber optic lead and connector losses in a fiber optic sensor |
| 03/02/1988 | EP0257972A2 Method and apparatus for compensating fiber optic lead and connector losses in a fiber optic sensor |
| 03/02/1988 | CN85106007B Polarized strip-scanning digital interferometer |
| 03/01/1988 | US4728169 Methods and apparatus for optical fiber systems |
| 02/25/1988 | WO1988001373A1 Apparatus for measuring properties of a laser emission |
| 02/24/1988 | EP0256539A2 Method and apparatus of measuring outer diameter and structure of optical fiber |
| 02/24/1988 | EP0256280A2 Device for optical time domain reflectometry on optical fibres |
| 02/24/1988 | CN86205726U Electronic laser tester for aeronautic camera |
| 02/23/1988 | US4726676 Optical signal power measurement method and apparatus |
| 02/23/1988 | US4726657 Optical wavelength selective devices having rigid support structure |
| 02/17/1988 | CN86104619A Instrument for measuring time characteristic of optical signal equipment |
| 02/16/1988 | US4725144 Optic element testing method and apparatus |
| 02/09/1988 | CA1232468A1 Method and circuit device for checking an optical cable for the passage of light and undue increases in attenuation caused by defects |
| 01/28/1988 | DE3624653A1 Optical test device for a multiplicity of optical fibres |
| 01/19/1988 | CA1231550A1 Method of measuring the dispersion of a transmitting optical fibre |
| 01/14/1988 | WO1988000336A1 Method for measuring the chromatic dispersion of an optical fibre and apparatus for implementing such method |
| 01/12/1988 | US4718754 Optical line simulator |
| 01/12/1988 | CA1231253A1 Optical fiber characteristic measuring method and apparatus |
| 01/05/1988 | CA1231139A1 Signal generator for aligning optical fibres |
| 12/30/1987 | CN86104318A Method and device for checking automobile headlight |
| 12/30/1987 | CN86104050A Checking device for headlight of automobile |
| 12/29/1987 | US4716373 Method and circuit arrangement for increasing the signal-to-noise ratio of a periodical electrical signal |
| 12/29/1987 | US4716288 Security device for detecting defects in transmitting fiber |
| 12/23/1987 | EP0249923A2 Method of and apparatus for measuring polarization beat-length in highly-birefringent single-mode optical fibres |
| 12/23/1987 | EP0249800A2 Apparatus for illuminating components of transparent material used in the inspection for defects |
| 12/23/1987 | EP0249799A2 Apparatus for inspecting components of transparent material as to surface defects and inclusions |
| 12/23/1987 | EP0249798A2 Process for inspecting components of transparent material as to surface defects and inclusions |
| 12/23/1987 | CN86207611U Quick detector for object lens |
| 12/22/1987 | US4714343 Optical fiber characteristic measurement |
| 12/22/1987 | CA1230498A1 Method for measuring optical fiber characteristics |
| 12/17/1987 | DE3619870A1 Reflectometer |
| 12/15/1987 | US4712914 Device for characterizing wide angle beams |
| 12/08/1987 | US4712004 Method and apparatus for compensating fiber optic lead and connector losses in a fiber optic sensor by using a broadband optical source and multiple wave retardation |
| 12/08/1987 | US4711576 Wave front aberration measuring apparatus |
| 12/03/1987 | WO1987007014A3 Greatly enhanced spatial detection of optical backscatter for sensor applications |
| 12/02/1987 | EP0247665A1 Device for detecting a magnification error in an optical imaging system |
| 12/02/1987 | EP0247661A2 Process and device for measuring the attenuation of optical fibres by reflectometry |
| 12/01/1987 | US4710628 Fault detecting apparatus |
| 12/01/1987 | US4710023 Measurement of contact lenses |
| 12/01/1987 | US4710022 Method and apparatus for measuring chromatic dispersion coefficient |
| 11/25/1987 | EP0246691A2 Device for measuring the transmitting damping of an optical fibre |
| 11/24/1987 | US4709145 Method and apparatus for compensating fiber optic lead and connector losses in a fiber optic sensor by using a dual wavelength optical source and matched polarizer |
| 11/24/1987 | US4708476 Method of determining optical fiber splice loss |
| 11/24/1987 | US4708471 Optical time-domain reflectometer using heterodyne reception |
| 11/24/1987 | US4708422 Multi-wavelength light emitting and receiving apparatus for monitoring connections by optical fibers |
| 11/19/1987 | WO1987007014A2 Greatly enhanced spatial detection of optical backscatter for sensor applications |
| 11/17/1987 | US4707836 Laser control system |
| 11/17/1987 | US4707597 Method and apparatus for acoustic supervision of adjustment operations at optical devices |
| 11/17/1987 | US4707137 Device and method for testing the wave front quality of optical components |
| 11/17/1987 | US4707053 Holographic recording device |
| 11/05/1987 | WO1987006694A1 Apparatus for measuring temporal parameters of light signalling devices |
| 11/05/1987 | DE3613137C1 Test room for checking the glossy (lustrous) surface of vehicle bodies for defects |
| 11/04/1987 | EP0244102A1 Inspection apparatus |
| 11/03/1987 | US4704520 Light source device for an endoscope |
| 10/27/1987 | US4702596 Apparatus for measuring the refractive power of an optical system |
| 10/14/1987 | EP0240932A1 X-Ray imaging system calibration and apparatus |
| 10/13/1987 | CA1227945A1 Method and apparatus for measuring chromatic dispersion coefficient |
| 10/08/1987 | WO1987006000A1 Device and method for checking lighting installation of transport vehicles |
| 09/30/1987 | EP0239206A1 Confocal optical imaging system with improved signal-to-noise ratio |
| 09/29/1987 | US4697075 X-ray imaging system calibration using projection means |
| 09/29/1987 | US4696572 Surface inspection apparatus |
| 09/29/1987 | US4696569 Method of measuring spherical aberration and apparatus therefor |
| 09/29/1987 | US4696535 Apparatus for injecting light through a buffer-coated optical fibre into the core thereof and its use in optical fibre splicing |
| 09/29/1987 | US4696534 Apparatus for extracting light from the core of an optical fibre through the cladding and buffer coating thereof and its use in optical fibre splicing |
| 09/23/1987 | EP0238134A2 Optical time domain reflectometer with heterodyn-reception |
| 09/15/1987 | US4694152 Method and apparatus for acoustic supervision of adjustment operations at optical devices |
| 09/15/1987 | US4694150 Method and apparatus for acoustic supervision of adjustment operations at optical devices |
| 09/15/1987 | US4693604 Interference method and interferometer for testing the surface precision of a parabolic mirror |
| 09/09/1987 | EP0235861A1 Device for detecting a centring error |
| 09/08/1987 | US4692615 Apparatus and method for monitoring tension in a moving fiber by Fourier transform analysis |
| 09/02/1987 | EP0234659A2 Measuring device for determining the length dependance attenuation of monomode light waveguides by backscattering method |
| 09/01/1987 | US4691106 Apparatus for determining reflectivity of an object such as a mirror |
| 09/01/1987 | US4690555 Solid-state wavefront slope determination |
| 08/27/1987 | WO1987005106A1 Device for checking the lighting installation of transport vehicles |
| 08/25/1987 | CA1225843A1 Process and equipment for measuring the cut-off wavelength of the first higher order mode in optical fibres |
| 08/19/1987 | EP0232986A1 Method and apparatus for in vivo ocular wetting determinations |
| 08/19/1987 | EP0232771A2 Optical scanning system |
| 08/19/1987 | CN87100617A Optical scanning apparatus |
| 08/11/1987 | US4685799 Integrated optical time domain reflectometer/insertion loss measurement system |
| 08/05/1987 | EP0230938A2 Optical fiber signal test device |
| 08/05/1987 | EP0230517A2 Light barrier |
| 08/04/1987 | USH315 Method of measuring optical properties of a transparency |
| 08/04/1987 | US4684246 Soft contact lens analyzer |
| 08/04/1987 | CA1224936A1 Test method for optical fibers and apparatus therefor |
| 07/29/1987 | CN87100371A Light barrier |
| 07/21/1987 | US4681442 Method for surface testing |
| 07/14/1987 | US4679935 Light distribution of headlight beam |
| 07/07/1987 | US4678327 Method for inspecting an optical fiber |
| 07/01/1987 | EP0227253A1 Decoding apparatus |
| 06/30/1987 | US4676635 Optical fiber characteristic measuring method and apparatus |
| 06/30/1987 | US4676004 Automatic marking device for lensmeter |
| 06/24/1987 | EP0226396A2 Apparatus and method for monitoring fiber tension |
| 06/23/1987 | US4674872 Coherent reflectometer |
| 06/16/1987 | US4673291 Method of and device for measuring the attenuation in optical waveguides |
| 06/16/1987 | EP0225737A2 Optical state of polorisation modulator |
| 06/10/1987 | EP0224943A2 Method to measure selectively, according to wavelength, the diminution in radiation intensity in an optical transmission system |
| 06/09/1987 | US4672198 Signal sampler microbending fiber test clip |
| 06/09/1987 | US4671653 Test instrument for an optical fiber |
| 06/09/1987 | US4671629 Microscope for examining the surface finish of fiber optic ends |
| 06/02/1987 | US4669874 Borescope calibration |