Patents
Patents for G01B 9 - Instruments as specified in the subgroups and characterised by the use of optical measuring means (14,810)
03/1984
03/13/1984US4436417 Beam director for optical ranging system
03/07/1984EP0101726A1 Optical displacement sensing apparatus.
03/06/1984CA1163094A1 Interferometer
02/1984
02/08/1984EP0099940A1 Process and device for an interferometric measurement of the linear displacement of an object with recognition of its direction of movement
02/07/1984US4429992 Method and device for testing optical imaging systems
01/1984
01/31/1984US4428675 Method of and apparatus for double-exposure holographic interferometry
01/10/1984US4425039 Apparatus for the practice of double exposure interferometric non-destructive testing
01/03/1984CA1159955A1 Workpiece identification apparatus
12/1983
12/13/1983US4420260 Interferometer transmitting the useful phase information through optical fibres
12/06/1983US4418981 Quadrature fiber-optic interferometer matrix
11/1983
11/29/1983US4417816 Laser measuring system and method for turning machine
11/23/1983EP0094709A2 Laser device and interferometer comprising such a laser device
11/08/1983US4413908 Scanning interferometer control systems
10/1983
10/27/1983WO1983003534A1 Device for measuring the position and/or the displacement of a body portion
10/26/1983EP0092541A1 Device for the diagnosis of disorders in the movable parts of the human body
10/18/1983US4410244 Retinal acuity testing device
10/11/1983US4408881 Holographic inspection technique
09/1983
09/01/1983WO1983003010A1 Optical displacement sensing apparatus
08/1983
08/02/1983US4396289 Method and apparatus for holographic testing of optical components
07/1983
07/26/1983US4395124 Apparatus for position encoding
07/21/1983WO1983002496A1 Quadrature fiber-optic interferometer matrix
07/05/1983US4391525 Interferometer
06/1983
06/21/1983CA1148351A1 Line of sight alignment apparatus and method for non-steerable wheels of vehicles
06/14/1983CA1147950A1 Ambient compensating interferometric apparatus
06/07/1983US4386833 Epi-illumination type projection device
06/01/1983EP0079981A1 Phase balancing of an optical wave front
06/01/1983EP0079945A1 Fiber optic interferometer
05/1983
05/31/1983US4385837 Apparatus and system for linewidth measurements
05/31/1983US4385835 Compensating device
05/18/1983EP0079268A1 Michelson-type interferometer with a photo-refractive mirror
05/11/1983WO1983001683A1 Multimode fiber optic rotation sensor
04/1983
04/19/1983US4380394 Fiber optic interferometer
04/12/1983US4379647 Optical comparator and inspection apparatus
04/12/1983US4379633 Apparatus for maintaining adjustment of coincidence and relative phase relationship of light beams in an interferometer
03/1983
03/30/1983EP0075032A1 Method for interferometric surface topography
03/22/1983US4377343 Dual-beam skin friction interferometer
03/22/1983US4377036 Precision measuring apparatus having a measuring interval sealed from environmental influences
03/01/1983CA1141946A1 Viewing and measuring apparatus
02/1983
02/08/1983US4372684 Holographic apparatus to measure the surface figure of a nonlinear axicon and other optical elements
01/1983
01/18/1983US4368981 Optical sensing system
12/1982
12/21/1982CA1137784A1 Polar beam measuring instrument and antibiogram reader using same
12/09/1982WO1982004311A1 Fiber optic interferometer
12/09/1982WO1982004310A1 Fiber optic interferometer
11/1982
11/24/1982EP0065429A1 Method and apparatus for the optical measurement of displacement, and its application to step and repeat photoreproduction
11/23/1982US4360274 Workpiece identification apparatus
11/23/1982US4360271 Interferometer systems
11/17/1982EP0064789A2 Interferometer transmitting the useful phase information through optical fibres
11/09/1982US4358201 Interferometric measurement apparatus and method having increased measuring range
10/1982
10/26/1982US4355900 Self-calibrating interferometer
10/26/1982US4355899 Interferometric distance measurement method
10/12/1982US4353650 Laser heterodyne surface profiler
10/05/1982US4352565 Speckle pattern interferometer
09/1982
09/21/1982US4350443 Optical fringe analysis
08/1982
08/31/1982US4347441 Dual probe interferometer for object profile measuring
08/31/1982US4347000 Interferometric system
06/1982
06/15/1982US4334778 Dual surface interferometer
06/15/1982US4334777 Method of monitoring motion
06/09/1982EP0053199A1 Process for incrementally measuring geometrical dimensions, and devices to perform the process
06/09/1982EP0012748B1 Interferometer systems
06/02/1982EP0053052A1 Interferometric device for the real-time visualization of deformations of vibrating structures
05/1982
05/25/1982US4331381 Magnifying device
05/11/1982US4329059 Multiple channel interferometer
04/1982
04/21/1982EP0050059A1 Hybrid optical junction and application to a ring interferometer
04/20/1982US4325637 Phase modulation of grazing incidence interferometer
04/20/1982US4325636 Interferometer with a single-mode waveguide coil
04/13/1982US4324492 Method of and arrangement for performing optical interference measurements
03/1982
03/23/1982US4320567 Optical inspection method for determining machinability
03/17/1982EP0047237A1 Coordinate locating device
03/16/1982US4320475 Monomodal optical fibre hydrophone operating by the elastooptical effect
02/1982
02/02/1982US4313679 Test sample support assembly
01/1982
01/12/1982US4310245 Interferometer system
01/05/1982US4309109 Pulsed interferometric remote gauge
12/1981
12/08/1981US4304458 Arrangement for displaying deformations of deformable structures by holographic interferometry
12/02/1981EP0040700A2 Method and equipment for checking an optical system
12/01/1981US4303340 Optical micrometer measuring system
11/1981
11/25/1981EP0033335A4 Refractively scanned interferometer.
11/24/1981US4302107 Interferometer with a coil composed of a single mode waveguide
11/03/1981US4298283 Interferometric measuring method
09/1981
09/29/1981CA1109707A1 Holographic optical apparatus and method for producing the same
09/23/1981EP0036251A2 Polarising optical system
09/17/1981WO1981002627A1 Coordinate locating device
09/16/1981EP0035651A2 Device for measuring lengths
09/16/1981EP0035580A1 Interferometrically controlled worktable and a position-control device
09/08/1981CA1108445A1 Interferomic determination of separations within a tire
08/1981
08/12/1981EP0033335A1 Refractively scanned interferometer.
08/06/1981WO1981002199A1 Interferometer for the shape control of convex surfaces of optical parts
07/1981
07/28/1981US4280764 Phase-conjugate interferometer
07/14/1981US4278352 Support system for extensible bellows
07/14/1981US4278351 Interferometer
05/1981
05/05/1981US4265534 Optical apparatus and method for producing the same
04/1981
04/29/1981EP0027763A1 Process and apparatus for measuring distance by laser interferometry with two wavelengths
04/14/1981US4261107 Coordinate locating device
04/07/1981CA1098986A1 Workpiece hole presence and absence inspector
03/1981
03/24/1981US4257264 Tire checking apparatus
02/1981
02/25/1981EP0024167A2 Method and apparatus for speckle pattern interferometric determination of point displacements
02/10/1981CA1095296A1 Method of utilizing interferometric information from two different holograms exposed with short interval
02/05/1981WO1981000299A1 Refractively scanned interferometer
02/04/1981EP0023345A2 Optical sensing system
02/03/1981US4248093 Holographic resolution of complex sound fields
01/1981
01/07/1981EP0021982A1 Method and device for the optical processing of objects through intercorrelation with rings