Patents for G01M 11 - Testing of optical apparatus; Testing structures by optical methods not otherwise provided for (14,356) |
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05/27/1987 | EP0223332A2 Test instrument for optical fibres |
05/20/1987 | EP0222468A2 Method and apparatus for measuring single mode fiber mode field radius |
05/20/1987 | EP0222378A2 Method of and apparatus for the measurement of mode field radius in single-mode fibres |
05/14/1987 | DE3537342A1 Method and device for determining the radiation losses of glass fibre connections, in particular of monomode fibre connections |
05/12/1987 | US4664732 Precise alignment and coupling |
05/12/1987 | US4664522 Optical waveguide spectrum analyzer and method |
05/12/1987 | US4664516 Method of and apparatus for the measurement of the refractive-index profile in monomode optical fibres |
05/07/1987 | WO1987002768A1 Solid-state wavefront slope determination |
05/05/1987 | US4662744 Method of and apparatus for measuring transverse moments of an electromagnetic field associated with an optical beam |
05/05/1987 | US4662743 Method of measuring the geometry of optical fibers |
04/28/1987 | US4660973 Arrangement for locating faults in an optical information transmission system |
04/21/1987 | US4659217 Determining splice attenuation |
04/21/1987 | US4659216 Optical fibre reflectometer |
04/21/1987 | US4659215 Optical fiber test method and apparatus |
04/16/1987 | DE3536374A1 Transmitted-light method for measuring housings and components |
04/14/1987 | US4658391 Focus error detection device for an optical recording/playing back system |
04/14/1987 | US4657388 Method of and apparatus for measuring the cut-off wavelength of the first higher order mode in optical fibers |
04/14/1987 | CA1220565A1 System and process for determining the basis weight of a low atomic number material in a mixture with a higher atomic number material |
04/14/1987 | CA1220554A1 Method and apparatus for acoustic supervision of adjustment operations at optical devices |
04/08/1987 | EP0216773A1 A method for detecting faults or breaks in optical fiber links |
04/07/1987 | CA1220278A1 Method and apparatus for acoustic supervision of adjustment operations at optical devices |
04/07/1987 | CA1220277A1 Method and apparatus for acoustical supervision of adjustment operations at optical devices |
03/31/1987 | US4654520 Structural monitoring system using fiber optics |
03/31/1987 | US4653912 Inspection booth for substrates coated with a thin film |
03/31/1987 | US4653909 Sinusoidal determination of limiting optical resolution |
03/31/1987 | US4653855 Apparatus and process for object analysis by perturbation of interference fringes |
03/31/1987 | US4653331 Test apparatus for uniform tensioning of long lengths of small cables in simulated environments |
03/31/1987 | CA1219931A1 Method and apparatus for monitoring suitability of a transmission path for transmission of digital data signals |
03/25/1987 | EP0215301A2 Optical measuring process |
03/24/1987 | US4652123 Method and apparatus for measuring absolute fiber junction loss |
03/24/1987 | CA1219465A1 Coherent reflectometer |
03/11/1987 | EP0213872A2 Optical time-domain reflectometry |
03/04/1987 | EP0212877A2 Optical coupler for an optical fibre |
03/04/1987 | EP0212804A2 Multiple wavelength optical fiber measurement system |
03/04/1987 | EP0212786A1 Laser/optical fiber safety apparatus and method |
03/03/1987 | US4647195 Automotive headlamp testing method and apparatus |
03/03/1987 | US4647158 Modifying coherent radiation |
03/03/1987 | CA1218724A1 Device for detecting fractures in power transmission fibers |
02/26/1987 | DE3529974A1 Method for determining the optical power of the modes which can be guided and emerge from the end of an optical waveguide |
02/25/1987 | EP0211537A1 Apparatus for coupling light between an optical fiber and a light element |
02/25/1987 | CN85106007A Polarized strip-scanning digital interferometer |
02/24/1987 | US4645171 Honeycomb tabletop |
02/19/1987 | DE3528879A1 Adaptor |
02/18/1987 | CN86105018A Multiple wavelength optical fiber measurement system |
02/10/1987 | US4641964 Apparatus for measuring optical characteristics of optical systems |
02/10/1987 | US4641962 Aberration measuring method |
02/10/1987 | US4641961 Apparatus for measuring the optical characteristics of an optical system to be examined |
02/10/1987 | CA1217864A Method and apparatus for determining attenuation across optical fiber splice |
02/10/1987 | CA1217650A Method and apparatus for coating detection and surface evaluation |
02/04/1987 | EP0210722A1 Apparatus for measuring the refractive power or radius of curvature of an optical system |
02/04/1987 | EP0210341A2 Method and device for measuring coupling losses in single mode optical fibres |
01/28/1987 | EP0210003A2 Determining splice attenuation |
01/27/1987 | US4639133 Method and apparatus for testing the power of a lens |
01/27/1987 | US4639132 Direct determination of modulation transfer function by moire deflectrometry |
01/27/1987 | US4639131 Device for measuring the static lives of optical fibers |
01/27/1987 | US4639130 Inspection apparatus for optical fiber assembly |
01/21/1987 | EP0209457A1 Method and device for determining the quality of an optical instrument, especially its transfer function |
01/20/1987 | US4637720 Lens meter having a focusing indication system with divided-image registration focusing |
01/20/1987 | CA1216759A1 Apparatus for measuring the refractive index of an optical fiber |
01/14/1987 | EP0208011A1 Light coupling device for the optical reflectometry |
01/13/1987 | US4637072 Method of measuring the dispersion of a transmitting optical fibre |
01/13/1987 | US4636638 Remote optical crack sensing system including fiberoptics |
01/13/1987 | US4636073 Semiconductors, hemispherical pads to simulate light scattering |
01/13/1987 | US4636071 Method and apparatus for measuring single mode fiber mode field radius |
01/13/1987 | US4636070 Apparatus for measuring the cut-off wavelength of a single-mode optical fiber |
01/08/1987 | DE3524101A1 Method and device for continuously monitoring the state of wear of materials |
01/06/1987 | US4634880 Confocal optical imaging system with improved signal-to-noise ratio |
01/06/1987 | US4634275 Method of and apparatus for examining automotive headlamp |
01/06/1987 | US4634274 Method and apparatus for determining attenuation across optical fiber splice |
01/06/1987 | US4634217 High tensile wire provided with light guide sensor |
01/06/1987 | CA1216168A1 Method in the signal processing of a received train of pulses, and a receiver for carrying out the process |
01/02/1987 | DE3522179A1 Device for carrying out optical measurements on installed windscreens |
12/30/1986 | US4632545 Device for testing the beam-setting of motor vehicle headlights |
12/30/1986 | US4632544 Optical cable testing |
12/30/1986 | EP0206823A1 Soft contact lens analyzer |
12/16/1986 | US4629318 Measuring device for determining cracks |
12/16/1986 | US4629316 Attenuation across optical fiber splice |
12/10/1986 | CN86200235U Nonlinear meter for laser detector |
12/09/1986 | US4628414 Method of manufacturing and of adjusting the orientation of a motor vehicle headlamp; and a motor vehicle headlamp for performing said method |
12/02/1986 | US4626685 Multispectral collimator with built-in-test |
11/25/1986 | US4624562 Signal generator for aligning optical fibers |
11/25/1986 | CA1214556A1 Method of and apparatus for measuring the transverse moments of the electromagnetic field associated with an optical beam |
11/19/1986 | CN86103565A Method of the measurement of light from an optical cable and arrangement therefore |
11/18/1986 | US4623788 Fiber optic system with self test used in fire detection |
11/18/1986 | US4623249 Container for an optical element |
11/18/1986 | US4623218 Optical fibre cable and method of and apparatus for determining location of a break therein |
11/05/1986 | EP0200072A1 Method and device for controlling the angular and lateral position of a vehicle light |
11/04/1986 | US4620790 System for determining optical aberrations of a telescope optical system |
10/28/1986 | US4620267 Corrector device for automatically correcting the beam direction of vehicle headlamps to compensate for variations in vehicle trim |
10/22/1986 | EP0198480A2 Optical fiber characteristic measurement |
10/21/1986 | US4618975 Method and apparatus for analyzing a porous nonhomogeneous cylindrical object |
10/21/1986 | US4618764 Fiber-optical pressure detector |
10/21/1986 | US4618258 Method for measuring loop coupling efficiency |
10/21/1986 | CA1213057A1 Method and apparatus for measuring absolute fiber junction loss |
10/21/1986 | CA1213056A1 Method of measuring a spot size of a single-mode fiber |
09/30/1986 | CA1211955A1 Optical fiber proof testing equipment |
09/23/1986 | US4613232 Measuring device for testing optical systems of an endoscope |
09/16/1986 | US4611913 Method and apparatus for analyzing ophthalmic elements and the like |
09/16/1986 | US4611378 Method of making a fiber optic strain sensor |
09/10/1986 | EP0193897A2 Lens meter and method of measurement of progressive multifocal lens using the same |