| Patents for G01M 11 - Testing of optical apparatus; Testing structures by optical methods not otherwise provided for (14,356) |
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| 10/25/1988 | US4779979 Automatic lens meter |
| 10/25/1988 | US4779978 Method of measuring the refractive index profile of optical fibers |
| 10/12/1988 | EP0286529A2 Arrangement for determining the contrast of a display screen with regard to the direction of observation |
| 10/12/1988 | EP0286466A2 Method for detecting polarization couplings in a double refraction optical system, and its use in assembling components of an optical system |
| 10/11/1988 | US4776692 Testing light transmitting articles |
| 10/11/1988 | US4776101 Method and apparatus for testing aspherical lenses |
| 10/05/1988 | EP0285493A2 Apparatus for testing light-emitting devices |
| 10/04/1988 | US4775233 Method of the measurement of light from an optical cable and arrangement therefor |
| 10/04/1988 | CA1242571A1 Apparatus for injecting light through a buffer-coated optical fibre into the core thereof and its use in optical fibre splicing |
| 09/22/1988 | DE3708152A1 Method for measuring the dispersion characteristics of an optical fibre |
| 09/21/1988 | EP0282515A1 Device for measuring refractive properties of spectacle lenses. |
| 09/20/1988 | US4772120 Determination of the transfer function of an optical instrument |
| 09/20/1988 | US4772119 Device for detecting a magnification error in an optical imaging system |
| 09/20/1988 | US4772092 Crack detection arrangement utilizing optical fibres as reinforcement fibres |
| 09/15/1988 | DE3807325A1 Geraet zur messung der phasenmodulation in einem optischen wellenleiter Apparatus for measuring the phase modulation in an optical waveguide |
| 09/14/1988 | EP0281795A1 Method for scanning a time-dependent electrical signal, and device for carrying out and applying said method |
| 09/06/1988 | US4769534 Optical detector with storage effects reduction |
| 08/31/1988 | EP0280329A2 Chromatic dispersion measuring system for optical fibers |
| 08/31/1988 | EP0280328A2 Chromatic dispersion measuring system for optical fibers |
| 08/30/1988 | US4768182 Apparatus for monitoring optical path differences utilizing an etalon |
| 08/30/1988 | US4767215 Lens characterization apparatus and method |
| 08/30/1988 | US4767207 Apparatus for measuring transmission characteristics of an optical fiber |
| 08/25/1988 | DE3704390A1 Method for representing stresses and/or deformations of bonding systems in building technology and arrangement for carrying out this method |
| 08/24/1988 | EP0278956A1 Apparatus for measuring properties of a laser emission. |
| 08/17/1988 | EP0278143A1 Structural monitoring system using fiber optics |
| 08/11/1988 | WO1988005905A1 A measuring device for the determination of deformations, relative movements or the like |
| 08/10/1988 | CN87106264A Method of measuring refractive index profile of optical fibers |
| 08/09/1988 | US4762992 Error detection system for two-state fiber optic sensors |
| 08/09/1988 | US4762417 Fringe scanning point diffraction interferometer by polarization |
| 08/03/1988 | EP0277005A2 High energy laser beam replica producing method and system |
| 07/28/1988 | WO1988005531A1 Otdr testing of optical fiber |
| 07/28/1988 | DE3800033A1 Method for measuring the attenuation changes in optical fibre cables during manufacturing processes |
| 07/27/1988 | EP0275974A2 Methods of and apparatus for measuring the frequency response of optical detectors |
| 07/26/1988 | US4760257 Apparatus for measuring properties of a laser emission |
| 07/26/1988 | US4759625 Method of and apparatus for the measurement of mode field radius in single-mode fibres |
| 07/26/1988 | US4759624 Method of and apparatus for measuring polarization beat-length in highly-birefringent single-mode optical fibers |
| 07/26/1988 | US4759605 Apparatus for coupling light between an optical fiber and a light element |
| 07/26/1988 | US4759598 Apparatus for the positioning of ends of flexible light-conducting elements |
| 07/21/1988 | DE3700637A1 Messanordnung und messverfahren zur hochaufloesenden brechzahlprofilmessung an glasfasern Measuring system and measuring method of the refractive index profile measurement hochaufloesenden glass fiber |
| 07/20/1988 | EP0274921A1 Centering apparatus for an ophthalmic lens |
| 07/20/1988 | EP0274791A1 Method for measuring the curvature dependent specific attenuation height of a light waveguide |
| 07/19/1988 | US4758729 Apparatus and method for measuring the included angle of a reflective cone |
| 07/14/1988 | WO1988005164A1 Refraction coefficient profile measurement system and process |
| 07/06/1988 | CN87107898A Optical detector storage effects reduction |
| 06/30/1988 | DE3731861A1 Test set-up for optical plates |
| 06/30/1988 | DE3643696A1 Measurement and control system for an optical waveguide splicing device |
| 06/29/1988 | EP0272749A2 Device for controlling optical-fibre end faces |
| 06/21/1988 | US4752125 Apparatus to measure fiber dispersion |
| 06/16/1988 | WO1988003643A3 Method and apparatus for measuring magnification power of a magnifying aid |
| 06/14/1988 | US4750833 Fiber optic dispersion method and apparatus |
| 06/14/1988 | US4750405 Vibration and shock isolation apparatus |
| 06/08/1988 | EP0269734A1 Device and method for checking lighting installation of transport vehicles |
| 06/07/1988 | US4749853 Light barrier having multiplexer for actuating transceiver pairs and multiple channel operation |
| 06/07/1988 | US4749277 Methods of and apparatus for measuring the frequency response of optical detectors |
| 06/01/1988 | EP0269448A2 Optical time domain reflectometer |
| 06/01/1988 | EP0269142A1 An apparatus for determining the path of a pulsed light beam |
| 05/31/1988 | US4748482 Support member |
| 05/31/1988 | US4747683 Method and device for in vivo wetting determinations |
| 05/31/1988 | US4747652 Optical fiber coupler |
| 05/26/1988 | DE3638726A1 Determination of conditions of contact in zones of contact between two bodies by means of a sensor sensitive to heat radiation |
| 05/25/1988 | EP0268455A1 Optical detector storage effects reduction |
| 05/24/1988 | US4746205 High energy laser beam replica producing method and system |
| 05/24/1988 | US4746195 Method for adjusting coupling optics and the end of a waveguide relative to a semiconductor laser |
| 05/24/1988 | US4746184 Light coupler for optical reflectometry |
| 05/19/1988 | WO1988003643A2 Method and apparatus for measuring magnification power of a magnifying aid |
| 05/18/1988 | EP0267381A2 Device for and use of a fibre-optical sensor to measure minimum extensions |
| 05/18/1988 | CN86107454A Testing-method for graduation error of a type 1 concave reflecting grating |
| 05/17/1988 | US4745280 Apparatus for measuring the profile of a laser beam |
| 05/17/1988 | US4744659 Method of and apparatus for measuring the shape of a wavefront |
| 05/17/1988 | US4744655 Method and device permitting facilitation of the lateral angular adjustment of a vehicle headlight |
| 05/17/1988 | US4744654 Method of measuring refractive index profile of cylinder |
| 05/17/1988 | CA1236897A1 Optical fiber signal test clip |
| 05/10/1988 | US4743753 Method and apparatus for carrying out fiber optic time domain reflectomery wherein Golay complementary sequences are applied |
| 05/10/1988 | US4743086 Coupling device for forming optically efficient end-to-end optical fiber connections |
| 05/04/1988 | EP0265648A2 Thermally stable vacuum table |
| 05/03/1988 | US4741617 Method and apparatus for measuring, magnification power of a magnifying aid |
| 05/03/1988 | US4741616 Test instrument for optical fiber connectors |
| 05/03/1988 | US4741615 Method and device for measuring coupling losses in single mode optical fibers |
| 05/03/1988 | CA1235923A1 Method of and apparatus for the measurement of the refractive-index profile in monomode optical fibres |
| 04/27/1988 | EP0264622A1 Process for monitoring the deformations of components by means of optical wave guides |
| 04/27/1988 | EP0264591A2 Method for measuring the optical axes of a projector guide beam and device for carrying out the method |
| 04/27/1988 | EP0264449A1 Apparatus for measuring temporal parameters of light signalling devices |
| 04/26/1988 | US4740049 Technique for measuring a single mode optical fiber |
| 04/20/1988 | CN86106614A Rapid tester for objectives |
| 04/19/1988 | US4738530 Inspection device |
| 04/13/1988 | CN85100420B Double refractive measurement for single mode optical fiber |
| 04/12/1988 | US4737027 Optical fiber measuring apparatus |
| 04/12/1988 | US4737026 Plural wavelength optical fibre reflectometer |
| 04/07/1988 | DE3634187A1 Optical arrangement for injecting light into a 50 mu m gradient fibre |
| 04/05/1988 | CA1234897A1 Test instrument |
| 03/23/1988 | EP0260926A1 Optical fibres |
| 03/22/1988 | US4732469 Low noise optical time domain reflectometer |
| 03/16/1988 | EP0259837A2 Method of measuring the refractive index profile of optical fibers |
| 03/15/1988 | US4731706 Method of manufacturing and of adjusting the orientation of a motor vehicle headlamp; and a motor vehicle headlamp for performing said method |
| 03/15/1988 | US4730924 Lens meter and method of measurement of progressive multifocal lens using the same |
| 03/15/1988 | US4730923 Headlight optical axis aiming measuring apparatus and method |
| 03/15/1988 | CA1233976A1 Method and apparatus for in vitro evaluation of focal length and focal length changes in lenses from human and animals eyes |
| 03/10/1988 | WO1988001735A1 Device for measuring refractive properties of spectacle lenses |
| 03/09/1988 | EP0258843A2 Method and apparatus for carrying out pulse-echo measurement |
| 03/09/1988 | EP0258437A1 Device for checking the lighting installation of transport vehicles |