Patents
Patents for G01M 11 - Testing of optical apparatus; Testing structures by optical methods not otherwise provided for (14,356)
09/1986
09/10/1986CN85102833A Testing method with coherent modulation transfer function
09/03/1986EP0193242A2 Optical time-domaine reflectometer with heterodyne receiving
09/02/1986US4609939 Method of and apparatus for automatically correcting position of TV camera
09/02/1986US4609287 Method of and apparatus for measuring refractive characteristics
08/1986
08/27/1986CN85201166U Coherent modulation transfer function meter
08/20/1986CN85101621A Photo-electric centering method and apparatus by the zero balance of double light path
08/19/1986US4606640 Method and apparatus for optically testing cylindrical surfaces
08/19/1986US4606632 Method of measuring impulse durations, error locations and attenuation (or absorption) on cables and lightwave conductors
08/13/1986EP0190922A2 Apparatus and method for determining the orientation of axes of birefringence in an optical fiber
08/13/1986EP0190859A2 Coherent homodyne reflectometer
08/13/1986CN85101719A Method and apparatus for measuring high-reflectivity
08/13/1986CN85100420A Double refractive measurement for single mode optical fiber
08/06/1986EP0189482A1 Shape evaluating apparatus
08/06/1986CN85100065A Testing optical element behavior method by shadow-moire measuring
07/1986
07/29/1986US4603252 Determination of the integrity of part of structural materials
07/23/1986EP0188085A2 Optical fibre transmission systems
07/22/1986US4601575 Apparatus for measuring the characteristics of an optical system
07/22/1986US4601208 Optical fiber proof testing equipment
07/16/1986EP0095438B1 Construction set for a microoptical bench
07/15/1986US4600303 Method in the signal processing of a received train of pulses, and a receiver for carrying out the process
07/09/1986EP0186960A2 Method for inspecting an optical fiber
07/09/1986EP0186953A2 Crossed cylinder lenses refractor
07/02/1986EP0186571A1 Automatic headlight adjustment correction by tilting the vehicle body relative to the ground
07/02/1986EP0185949A2 Apparatus for measuring the cut-off wavelength of a single-mode optical fiber
07/02/1986EP0185800A1 Apparatus for determining the irradiation direction of a headlight beam
06/1986
06/25/1986EP0185361A2 Method of and apparatus for the measurement of the refractive-index profile in monomode optical fibres
06/24/1986CA1206350A1 Method of inspecting transparent rods
06/18/1986EP0184802A2 Method of and aparatus for measuring the transverse moments of the electromagnetic field associated with an optical beam
06/17/1986US4595284 Method and apparatus for measuring distribution of elongation in an optical cable
06/11/1986EP0075567B1 Method of producing a measuring device for the detection of cracks
05/1986
05/28/1986EP0182030A1 Traction force-sensitive optical fibre cable and its manufacturing process
05/27/1986US4591784 Examination procedure for the spatial change of an object with respect to its initial condition
05/27/1986US4591271 Method and apparatus for coating detection and surface evaluation
05/14/1986EP0180756A1 Optical calibration test standard for surface inspection systems
05/13/1986US4588270 Curvature measuring apparatus
05/13/1986CA1204501A1 Method and system for automatically detecting camera picture element failure
05/12/1986EP0119257A4 Method and apparatus for determining index of refraction profiles of optical fibers.
05/06/1986US4586817 Method for determining the MTF of a viewing window
05/06/1986US4586783 Signal coupler for buffered optical fibers
04/1986
04/30/1986EP0179522A2 Apparatus and process for object analysis by pertubation of interference fringes
04/30/1986EP0179183A2 Optical fiber characteristic measuring method and apparatus
04/30/1986EP0179063A1 Structural deformation detecting apparatus
04/29/1986CA1203702A1 Method of measuring the cutoff wavelength of the first higher order mode in optical fibres
04/22/1986US4583851 Method and apparatus for monitoring optical fiber concentricity
04/16/1986EP0177935A2 Automatic marking device for lensmeter
04/15/1986US4582427 Test target for adaptive optics
04/10/1986CN85101798A Optical fiber characteristic measuring method and apparatus
04/08/1986US4581706 Method and apparatus for testing a joint
04/08/1986US4581639 Method and apparatus for monitoring suitability of a transmission path for transmission of digital data signals
04/08/1986US4581527 Damage assessment system for composite plastic structures using fiber optics
04/02/1986EP0176336A2 Testing light transmitting articles
04/02/1986EP0176137A1 Arrangement for measuring the static life of optical fibres
04/01/1986US4580043 Apparatus for detecting focus condition of imaging lens having a circular detecting array
03/1986
03/26/1986EP0175622A2 Housing for the examination of window glass coated with a thin layer of metallic oxide
03/19/1986EP0174708A2 A method of measuring refractive index profile of cylinder
03/18/1986US4576485 Method and apparatus for measuring temperature profile with a single optical fiber
02/1986
02/26/1986EP0172328A2 Process and equipment for measuring the cut-off wavelength of the first higher order mode in optical fibres
02/25/1986US4572950 Fiber-optical pressure detector
02/25/1986US4572665 Apparatus for measuring the refractive index of an optical fiber
02/25/1986US4571842 Lens judging apparatus of lens meter
02/19/1986EP0172024A2 Laser control system
02/19/1986EP0171837A2 Optical instrument structure
02/18/1986US4571037 Fiber optic microscope with adjustable tube assembly
02/12/1986EP0171246A2 Optical fibre splicing
02/05/1986EP0170511A2 Optical fibre splicing
01/1986
01/28/1986CA1199824A1 Fiber optic splicing
01/21/1986US4565449 Method of and apparatus for determining refractive-index profiles of cylindrical transparent bodies
01/21/1986US4565445 Process and apparatus for measuring the effective diameter of the guided mode in a monomode optical fibre
01/15/1986EP0168114A2 Method of and device for measuring the attenuation in beam waveguides
01/14/1986US4564755 Transmission and reception device for a fiber-optical sensor system
01/14/1986US4564291 Projection type lensmeter
01/08/1986EP0166854A1 Process and arrangement for controlling the passage of light and an intolerable increase of attenuation for a light-conducting fibre cable
01/07/1986US4563087 Process and device for simultaneously measuring the geometrical characteristics of an optical fibre
01/03/1986WO1986000134A1 A method for detecting faults or breaks in optical fiber links
12/1985
12/27/1985EP0165325A1 Method and appliance for the acoustic control of the adjustment of optical devices
12/27/1985EP0165324A1 Method and appliance for the acoustic control of the adjustment of optical devices
12/27/1985EP0165323A1 Method and appliance for the acoustic control of the adjustment of optical devices
12/19/1985WO1985005674A1 Shape evaluating apparatus
12/17/1985US4558948 Process and apparatus for measuring wave surface distortions introduced by an optical system
12/04/1985EP0162921A1 Fiber optics system with self test capability
12/03/1985US4556875 Irradiated power monitoring system for optical fiber
12/03/1985US4556314 Dispersion determining method and apparatus
12/03/1985US4556280 Single cable optical fibre signaling system
11/1985
11/27/1985EP0162595A1 Modifying coherent radiation
11/27/1985EP0162120A1 Method and device for the inspection of surfaces
11/19/1985CA1196795A1 Apparatus and methods for testing lens structure
11/12/1985US4552578 Measuring and testing
11/06/1985EP0160304A2 Method and apparatus for measuring the fiber orientation of papers
11/05/1985US4551020 Optical apparatus for determining the index profile of an optical fibre
11/05/1985US4551019 Measuring chromatic dispersion of fibers
10/1985
10/29/1985CA1195839A1 Process and device for simultaneously measuring the geometrical characteristics of an optical fibre
10/22/1985US4548494 Method for adjusting two ends of two optical fibers to be connected to one another
10/16/1985EP0158505A2 Active mirror wavefront sensor
10/16/1985EP0158172A2 Testing of arbitrary optical surfaces
10/15/1985CA1195138A1 Measuring chromatic dispersion of fibers
10/09/1985EP0157230A2 Method and apparatus for optically testing cylindrical surfaces
10/08/1985US4545678 Method and apparatus for testing lenses
10/02/1985EP0156501A1 Support member
09/1985
09/24/1985US4543477 Safety device for detecting trouble in optical transmission fibers
09/24/1985CA1193880A1 Apparatus for determining the refractive index profile of optical fibres and optical fibre preforms