| Patents for G01M 11 - Testing of optical apparatus; Testing structures by optical methods not otherwise provided for (14,356) |
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| 01/12/1999 | US5859939 Method and system for equalizing PMD using incremental delay switching |
| 01/12/1999 | US5859695 Method of and system for characterization of fiber optic connections in situ |
| 01/12/1999 | CA2033045C Device for calibrating of an optical instrument and related applications |
| 01/07/1999 | EP0889312A2 Apparatus for measuring characteristics of optical fiber |
| 01/07/1999 | DE19724676A1 Measuring apparatus for determining polarisation mode dispersion of optical elements e.g. glass fibre conductors |
| 01/05/1999 | US5856867 Method and apparatus for determining the pressure-induced nonreciprocity of a fiber-optic coil |
| 01/05/1999 | US5855074 Methods and apparatus for measuring and mapping opthalmic elements |
| 01/05/1999 | CA2075961C Optical test apparatus |
| 12/30/1998 | EP0887954A2 Noise figure measurement of optical amplifiers by power substitution |
| 12/30/1998 | EP0887624A2 Device and method for optical fiber distortion measurement |
| 12/29/1998 | CA2129292C Integrated optical waveguide circuit and optical branch line test system using the same |
| 12/24/1998 | DE19821432A1 Distance correction method for reflectometer |
| 12/23/1998 | WO1998058231A1 Device for detecting variations in the length of components by means of optical waveguides |
| 12/23/1998 | EP0886396A1 Method of manufacturing a fiber optic cable having a specified path average dispersion |
| 12/23/1998 | EP0886394A1 Method for fault locating by reflectometry in an optical transmission link and locating apparatus using this method |
| 12/23/1998 | CN2301721Y Photoelectric car light illuminancy tester |
| 12/23/1998 | CN1202964A Composite structure resin cure monitoring using an optical fiber grating sensor |
| 12/22/1998 | US5852496 Method and device for measuring polarization dispersion of an optical fiber |
| 12/17/1998 | WO1998057138A1 Measuring device and method for determining the non-linear refraction index coefficient of an optical transmission link |
| 12/17/1998 | DE19826385A1 Shape measurement method for lenses, mirrors or other optical elements |
| 12/17/1998 | DE19725183A1 Glass fibre core eccentricity evaluation method |
| 12/16/1998 | CN2300902Y Signal indicating adjuster |
| 12/15/1998 | US5850283 Determination of angular position of weak axial asymmetries of optical fibers and alignment of and splicing fibers |
| 12/15/1998 | CA2144106C Method of adjusting optical axis of headlight of vehicle |
| 12/09/1998 | EP0882970A1 Inspection system for optical components |
| 12/09/1998 | EP0882969A1 Inspection system for optical components |
| 12/08/1998 | US5847819 Lens meter utilizing three different wavelengths |
| 12/02/1998 | CN1041018C L-Fizeau interferomter for detecting large laser amplifier |
| 12/01/1998 | US5844672 Method for comparing lens distortion between two steppers |
| 12/01/1998 | US5844671 Lens meter |
| 12/01/1998 | US5844670 Method of and systems for measuring eccentricity of an aspherical lens surface |
| 12/01/1998 | US5844235 Optical frequency domain reflectometer for use as an optical fiber testing device |
| 11/26/1998 | WO1998053538A1 Optical amplifier evaluation method and optical amplifier evaluation device |
| 11/26/1998 | WO1998053305A1 Methods and apparatus for detecting surface defects of an optical fiber |
| 11/26/1998 | WO1998053287A1 Absorption tester for optical components |
| 11/26/1998 | CA2288765A1 Methods and apparatus for detecting surface defects of an optical fiber |
| 11/25/1998 | EP0880112A2 Method for validation of a hologram and reader for carrying out this method |
| 11/24/1998 | US5841592 Optical bench and use thereof |
| 11/24/1998 | US5841525 Method and apparatus for performing modulation transfer function tests on endoscopes |
| 11/24/1998 | US5841034 Bonded joint analysis |
| 11/19/1998 | DE19720665A1 Device for inspecting and testing glass bodies and surfaces |
| 11/19/1998 | DE19720307A1 Flaw detector for continuous detection of surface flaws in copper@, aluminium@ or brass |
| 11/12/1998 | DE19713979C1 Verfahren und Vorrichtung zur Zugprüfung von verspleißten Fasern in Faserspleißgeräten Method and apparatus for tensile testing of spliced fibers in Faserspleißgeräten |
| 11/11/1998 | EP0877241A2 An apparatus for measuring an optical characteristic of an examined lens |
| 11/11/1998 | EP0876874A2 Apparatus for centering and blocking an ophthalmic lens disc |
| 11/11/1998 | EP0876597A1 A retro-reflective measuring apparatus |
| 11/10/1998 | US5835656 Light-transmitting fiber and resin coating layer with surface defects applied with a sandpaper roller while running the fiber; measuring tensile breaking strength to select a non-defective product; multistrand cables |
| 11/10/1998 | US5835227 Method and apparatus for determining performance characteristics in lithographic tools |
| 11/10/1998 | US5835217 Phase-shifting point diffraction interferometer |
| 11/10/1998 | US5835208 Apparatus to measure wedge and centering error in optical elements |
| 11/10/1998 | US5835207 Optical member inspecting apparatus |
| 11/10/1998 | US5835190 Ophthalmologic curvature measuring device and method to conjointly measure a central and peripheral portion of a curved surface |
| 11/10/1998 | US5834773 Method and apparatus for testing the function of microstructure elements |
| 11/10/1998 | CA1340124C Power control for laser |
| 11/04/1998 | EP0875747A2 Optical transmission characteristic measuring apparatus and calibration method using the same |
| 11/03/1998 | US5831753 Optical fiber transmission system |
| 11/01/1998 | CA2236347A1 Method for determining a condition of aging for optical fiber grating |
| 10/28/1998 | CN1197560A System, method and device for monitoring a fiber optic cable |
| 10/28/1998 | CN1040470C Appts. for carrying ophthalmic lenses |
| 10/27/1998 | US5828502 Optical bench system |
| 10/27/1998 | US5828500 For detecting a defect of an optical element |
| 10/27/1998 | US5828453 Lens designing method and objective lens apparatus with two lenses |
| 10/27/1998 | US5828448 Method and apparatus for distinguishing between defects in an optical fiber coating |
| 10/27/1998 | US5828446 Method of inspecting ophthalmic lenses |
| 10/27/1998 | US5828302 Door sensor with self-diagnosing function |
| 10/27/1998 | US5828058 Optical fiber remote sensing system with electromagnetic wave measurement |
| 10/22/1998 | DE19806629A1 Optical fibre system for monitoring radius of curvature and breaks in optical fibres |
| 10/22/1998 | DE19716228A1 Checking surface of an optical component |
| 10/22/1998 | DE19715466A1 Measuring process for testing passive optical mains systems |
| 10/21/1998 | EP0872721A1 Remote measurement of wavelength dependent information about optical components |
| 10/21/1998 | CN1196793A Method for measuring high resolution ration of very low PMD in single optical fibre and calibration method for PMD measuring instrument |
| 10/20/1998 | US5825516 Optical power meter for detecting loss factors in fiber optic communications |
| 10/20/1998 | US5825476 Apparatus for mapping optical elements |
| 10/15/1998 | WO1998045800A1 Method and apparatus for detecting mura defects |
| 10/15/1998 | WO1998045676A1 Method and device for checking the tensile resistance of spliced fibers in fiber splicing devices |
| 10/14/1998 | EP0870374A1 Monitoring of an optical line |
| 10/14/1998 | EP0803049B1 Diagnostic system for fiber grating sensors |
| 10/14/1998 | EP0592690B1 Method for identifying optical line |
| 10/13/1998 | US5821426 Optical fiber strain measuring apparatus |
| 10/08/1998 | WO1998028655A3 Light modulated confocal optical instruments and method |
| 10/07/1998 | EP0869631A2 Testing method for optical fiber |
| 10/07/1998 | EP0868793A1 Improvements in fibre-break detection in optical signal transmission networks |
| 10/06/1998 | US5818573 Opthalmic lens inspection system |
| 10/06/1998 | US5818572 Two-dimensional modulation transfer function measurement technique |
| 10/01/1998 | WO1998042497A2 Molding processes |
| 10/01/1998 | CA2282090A1 Molding processes |
| 09/30/1998 | EP0721577B1 Device for examining optical waveguides |
| 09/29/1998 | US5815481 Apparatus for transverse image registration of a photoreceptor belt |
| 09/29/1998 | US5814134 Apparatus and method for degassing deionized water for inspection and packaging |
| 09/24/1998 | WO1998041841A1 Method and apparatus for evaluating the performance characteristics of endoscopes |
| 09/24/1998 | WO1998041836A1 Automated method and apparatus for evaluating the performance characteristics of endoscopes |
| 09/24/1998 | DE19711158A1 Waveguide grid measuring method |
| 09/24/1998 | DE19710825A1 Parallel beams generating apparatus for adjusting telescope optical system |
| 09/23/1998 | EP0866331A2 Apparatus and methods for assessing optical material resistance to deterioration |
| 09/22/1998 | US5812260 In a transparent material |
| 09/22/1998 | US5812255 Process and device for determining the refractive index of different mediums |
| 09/22/1998 | US5812254 Illumination system for ophthalmic lens inspection |
| 09/22/1998 | US5812253 Measuring apparatus for optical fiber amplifier and adjustment method for the same |
| 09/17/1998 | DE19809505A1 Test unit for determining optical faults or contamination on optical element, e.g. lens |
| 09/16/1998 | EP0864081A1 Device for interrogating an optical fibre network |