| Patents for G01M 11 - Testing of optical apparatus; Testing structures by optical methods not otherwise provided for (14,356) |
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| 01/16/1979 | US4134680 Vehicle headlight testing apparatus |
| 12/19/1978 | US4130361 Lens meter without relatively moving optical parts |
| 11/21/1978 | CA1042678A1 Insert and anchor positioning and locating device |
| 11/07/1978 | US4124728 Method for monitoring the concentricity of plastic coatings on optical fibers |
| 10/31/1978 | US4123163 Lens power display in prescription form |
| 10/17/1978 | US4120589 Method and apparatus for measuring the distribution of a light field about the optical axis of a light source |
| 10/03/1978 | US4118126 Method of locating a light at the focal point of a concave mirror of a signal lamp unit |
| 09/26/1978 | US4115924 Spectacle lens marking device |
| 09/19/1978 | US4115809 Laser beam system for optically recording information signals on a record disc |
| 09/05/1978 | US4111562 Hydraulic gimbal system for beam projection lamps |
| 08/29/1978 | US4110046 Optical apparatus and method |
| 07/25/1978 | US4102661 Caustic ray use of the drawdown zone of an optical fiber preform to control the drawing of the fiber |
| 07/25/1978 | US4102575 Back vertex annular aperture |
| 07/11/1978 | US4099877 Lens testing method and apparatus |
| 05/30/1978 | US4092071 Photoelectric determination of the cut-off of a light beam from a motor vehicle headlamp |
| 05/23/1978 | US4090793 Photometric method and apparatus for measuring packing fraction of terminated fiber optic cables |
| 05/23/1978 | US4090790 Apparatus for testing the refractive power(s) of lenses |
| 03/28/1978 | US4081258 Method for using on line optic fiber loss monitor |
| 02/21/1978 | US4075469 Lighting systems for motor cycles |
| 02/07/1978 | US4072428 Inspecting and measuring of soft contact lenses |
| 01/24/1978 | US4070118 Method and an arrangement for fault location in a glass fibre optical waveguide |
| 01/24/1978 | US4070115 Lens meter |
| 01/10/1978 | US4067651 Method for measuring the parameters of optical fibers |
| 12/20/1977 | US4063365 Orientation detection and alignment method and apparatus |
| 11/29/1977 | US4060328 System for measuring the modulation transfer function of an optical device |
| 08/23/1977 | US4043177 Method to observe damage induced in optical elements by intense thermal radiation |
| 08/16/1977 | US4042723 Method for monitoring the properties of plastic coatings on optical fibers |
| 07/19/1977 | US4036419 Severing apparatus |
| 07/05/1977 | US4033696 Lens meter |
| 07/05/1977 | US4033539 Optical rail system |
| 06/21/1977 | US4030830 Process and apparatus for sensing defects on a smooth surface |
| 06/07/1977 | US4027977 Method and apparatus for determining ratio of core radius to cladding radius in clad optical fibers |
| 05/03/1977 | US4021121 Method and apparatus for measuring the distance of a discontinuity of a glass fiber from one end of the fiber |
| 04/26/1977 | US4019805 Optimized parabolic-index optical fiber communication system with incoherent light source |
| 04/12/1977 | US4017189 Testing of automobile headlights |
| 03/22/1977 | US4012955 Apparatus for measuring the incident power of light in fiber optics |
| 03/15/1977 | US4012149 Measuring method and equipment for locating a break in an optical cable |
| 03/01/1977 | US4009966 Headlamp focusing method |
| 02/15/1977 | US4007990 Apparatus and method for measuring refractive properties of a sphero-cylindrical optical system |
| 10/12/1976 | US3985445 Apparatus for measuring frontal power of contact lenses |
| 09/28/1976 | US3982816 Method for measuring the parameters of optical fibers |
| 09/21/1976 | US3981593 Soft contact lens inspection device |
| 09/21/1976 | US3981592 System for locating breaks in fiber optic filaments |
| 09/21/1976 | US3981589 Automatic objective lensometer |
| 09/21/1976 | US3981422 Method of breaking glass fibers and tool therefor |
| 09/21/1976 | US3981081 Lens measuring instrument |
| 08/31/1976 | US3977795 Method of determining the modulation transfer function |
| 08/10/1976 | US3974507 Conversion of stripe-geometry junction laser emission to a spherical wavefront |
| 07/13/1976 | US3969023 Method and apparatus for detecting layers of stress in lenses |
| 06/01/1976 | US3960450 Lens meter with target orthogonalizer |
| 05/11/1976 | US3955788 Apparatus for positioning and supporting optical laboratory instruments |
| 04/27/1976 | US3953130 Automatic digital indicating lens meter |
| 03/30/1976 | US3947127 Optical component functional tester |
| 02/17/1976 | US3938892 Electronic optical transfer function analyzer |
| 02/03/1976 | US3936160 Interferometer for the measurement of wavefront sections of general imaging systems including the human eye |
| 01/06/1976 | US3930732 Device and process for testing a lens system |