Patents
Patents for G01M 11 - Testing of optical apparatus; Testing structures by optical methods not otherwise provided for (14,356)
12/1997
12/03/1997CN1166872A Optical fiber bragg grating coating removal detection
12/02/1997US5694497 Intrinsically self deforming fiber optic microbend pressure and strain sensor
11/1997
11/25/1997US5692066 Method and apparatus for image plane modulation pattern recognition
11/18/1997US5689604 Fiber optic operations center
11/18/1997US5689341 LCD panel test system
11/18/1997US5687541 Automated apparatus and method for preparing contact lenses for inspection and packaging
11/13/1997WO1997042463A1 Method and devices for detecting flexure, and structure such as a geotechnical or building structure equipped with such a device
11/13/1997DE19643074A1 Interferometer test apparatus for examining surface characteristics
11/13/1997CA2253625A1 Method and devices for detecting flexure, and structure such as a geotechnical or building structure equipped with such a device
11/12/1997EP0806601A2 Supporting system for a large apparatus, particularly an optical bench
11/12/1997CN1164644A Mask for checking lens distortion
11/11/1997US5686986 Optical fiber characteristic measuring device
11/06/1997DE19712768A1 Polarisation mode dispersion measuring unit with variable light source wavelength
11/06/1997DE19712519A1 Apparatus for establishing characteristics of fibre-optic amplifier
11/04/1997US5684593 Easy to align interferometric reference reflectors
11/04/1997US5684576 Lens meter
10/1997
10/30/1997DE19715212A1 Hand-held ophthalmological instrument for measuring corneal radius of curvature
10/30/1997DE19712837A1 Compact apparatus for measuring properties of lens in two dimensions
10/29/1997EP0803721A2 Method and apparatus for observing tip portion of optical fibers butting each other
10/29/1997EP0803632A1 Door sensor with self-diagnosing function
10/29/1997EP0803049A1 Diagnostic system for fiber grating sensors
10/29/1997CN1163390A Method for measuring real space length by camera shooting and optical system correcting method and datum gauge
10/28/1997US5682234 Lens meter
10/23/1997DE19615615A1 Optical component e.g. lens monitoring system and fault detection
10/23/1997CA2203334A1 Method and apparatus for observing tip portion of optical fibers butting each other
10/22/1997EP0801757A1 Optical bench system
10/22/1997EP0702780B1 Fiber optic bending and positioning sensor
10/22/1997EP0627092B1 Optical fibre
10/21/1997US5680206 Method and device for testing the properties of at least one splice in at least one optical waveguide
10/14/1997US5677781 Method and device for measuring a noise figure in optical amplifiers
10/14/1997US5675962 Analyzing the lens in a carrier filled with deionized water
10/09/1997WO1997037203A1 A measurement device for measurement of the tensile stress in an optical fiber
10/08/1997EP0800076A1 Optical measuring systems
10/07/1997US5675406 Portable device for ensuring that a center thickness of a lens is within a predetermined tolerance
10/04/1997CA2199665A1 Telecentric reflection head for optical monitor
10/01/1997EP0797760A1 Clip-on device for optical power meter
09/1997
09/30/1997US5673282 Method and apparatus for monitoring performance of a laser transmitter
09/30/1997US5673149 Optical apparatus having a function of preventing image blur or shake and having lens barrels of different diameters
09/30/1997US5673108 Light return loss measurement system and method
09/24/1997EP0797115A1 Strain-free mounting
09/23/1997US5671308 Optical waveguide having diffraction grating area and method of fabricating the same
09/17/1997EP0795118A2 Highly sensitive optical fiber cavity coating removal detection
09/17/1997EP0795117A1 Optical fiber bragg grating coating removal detection
09/17/1997EP0707754B1 Energy storage and conversion devices
09/17/1997CN1159645A Method and apparatus for manufacturing information storage devices
09/16/1997US5668627 Optical line testing device and method for automatically and efficiently measuring properties of the optical line
09/04/1997WO1997032191A1 Optical time domain reflectometer and method
09/03/1997EP0704046B1 Method of measuring a progressive addition lens
09/02/1997US5663789 Ray tracing method
08/1997
08/28/1997DE19701908A1 Optical network measuring method
08/27/1997EP0792032A1 Network restoration method
08/27/1997EP0791206A1 Method and apparatus for detection of unsuitable conditions for automated cytology scoring
08/26/1997US5661816 Image analysis system
08/26/1997US5661554 Method of and device for measuring the nonlinear refractive index in a single mode optical fibre
08/24/1997CA2193150A1 Network restoration method
08/20/1997EP0790492A2 Scanning temporal ultrafast delay methods and apparatuses therefor
08/20/1997EP0528880B1 Apparatus for analysing optical properties of transparent objects
08/20/1997CN1157654A Apparatus for assessment of damage to ship
08/19/1997US5659806 Shake preventing apparatus
08/19/1997US5659393 Method of and device for measuring the refractive index of wafers of vitreous material
08/13/1997EP0789357A2 Method and apparatus for manufacturing information storage devices
08/13/1997CN1156834A Method for positioning optical subassembly for testing Technical field
08/12/1997US5657117 Device for examining optical waveguides
08/12/1997US5657116 For measuring the optical characteristics of an ocular lens
08/05/1997US5654793 Method and apparatus for high resolution measurement of very low levels of polarization mode dispersion (PMD) in single mode optical fibers and for calibration of PMD measuring instruments
07/1997
07/31/1997WO1997027470A1 A retro-reflective measuring apparatus
07/30/1997CN1155652A Method and apparatus for measuring thickness of birefringence layer
07/29/1997US5652715 Methods for reducing noise in an electrical signal
07/29/1997US5652668 Automated system, and corresponding method, for determining average optical output power of electro-optic modules
07/24/1997DE19601968A1 Length-change determining system using optical fibre for building construction parts
07/23/1997EP0785173A1 Reducing deformation of a coating on a coated optical fiber during the fiber drawing process
07/22/1997US5651076 System for determining the bidimensional characteristic function of a continuous optical conversion member
07/22/1997US5650844 LCD panel image quality inspection system and LCD image presampling method
07/22/1997US5649410 Post-hydration method and apparatus for transporting, inspecting and packaging contact lenses
07/17/1997WO1997025647A1 Layout judgement apparatus and layout judgement system
07/16/1997EP0784388A2 Surveillance method of optical communication line
07/16/1997EP0783679A1 Apparatus for the assessment of damage to a ship
07/15/1997US5648845 Apparatus for verifying the performance of optical fibre measurement equipment
07/15/1997US5647884 Apparatus for reducing deformation of a coating on a coated optical fiber
07/15/1997CA2079724C Method of identifying an optical cable
07/10/1997WO1997024821A1 Monitoring of an optical line
07/10/1997DE19600520A1 Optical lens decentralisation determination method
07/10/1997CA2239354A1 Monitoring of an optical line
07/09/1997EP0782736A1 Method and apparatus for image plane modulation pattern recognition
07/03/1997WO1997023965A1 Improvements in fibre-break detection in optical signal transmission networks
07/03/1997WO1997023772A1 Structural monitoring sensor system
07/03/1997CA2240664A1 Structural monitoring sensor system
07/02/1997EP0782024A2 Method for positioning optical subassembly for testing
07/01/1997US5644669 Physical property evaluation method for optical fiber coating, and coated optical fiber
07/01/1997US5644417 Automated system, and corresponding method, for measuring transmitter data-dependent jitter of electro-optic modules
07/01/1997US5644398 Hole burning effect measurement system
07/01/1997US5644389 Method for measuring distance between reflection points along light transmission line and reflectance thereof
06/1997
06/25/1997CN1152957A Process and device for determing the refractive index of different mediums
06/24/1997US5642441 Separation apparatus and method for measuring focal plane
06/24/1997CA2073720C Method and apparatus for assembly and inspection of optical fiber connectors
06/17/1997US5640464 Method and system for inspecting packages
06/17/1997US5639968 Optical fiber strain-to-failure sensor
06/11/1997CN1151520A Optical fibre light isolator property tester
06/10/1997US5638168 Lens evaluating device
06/10/1997US5638167 Method of measuring the light amount of a display picture element, display screen inspecting method and display screen inspecting apparatus