Patents
Patents for G01M 11 - Testing of optical apparatus; Testing structures by optical methods not otherwise provided for (14,356)
06/1995
06/07/1995EP0515443B1 Optical test apparatus comprising an OTDR
06/06/1995US5422714 Device for comparing the refractive indices of an optical immersion liquid and a reference glass
06/06/1995US5422643 High dynamic range digitizer
05/1995
05/31/1995EP0655613A1 Temperature measuring device
05/30/1995US5420436 Methods for measuring optical system, and method and apparatus for exposure using said measuring method
05/24/1995EP0654657A2 System and method for measuring polarization dependent loss
05/24/1995EP0654655A1 Optical achromatic interferometer of the trilateral phase shift type
05/18/1995WO1995013529A1 Apparatus for measuring refractive index
05/17/1995EP0653056A1 Spectrometer for lensometer
05/17/1995EP0511346B1 Alignment control device and uses thereof
05/16/1995US5416623 Optical communications system
05/16/1995US5416586 Method of testing aspherical optical surfaces with an interferometer
05/16/1995US5416574 Automated optical measurement apparatus
05/11/1995WO1995012809A1 Illumination and imaging arrangement
05/11/1995DE4436500A1 Optical projection grating
05/11/1995DE4401145C1 Method for measuring refractive index profile
05/10/1995EP0652651A1 Positionally independent application of an OTDR technique based on correlation in a branched optical fibre network during operation
05/09/1995US5414555 Method for the manufacture of a three-mirror optical system and the optical system resulting therefrom
05/09/1995US5414505 Lens meter for testing progressive lens
05/04/1995DE4438415A1 Optical reflectometer
05/02/1995US5412464 Apparatus and method for monitoring losses in a branched optical fibre network
05/02/1995US5411617 Method for use in fabricating and/or testing a thin mirror
04/1995
04/27/1995DE4411798A1 Device for controlling and measuring the reflection angle in optical devices by using positively driven elements and linear positioning instrument
04/25/1995US5410396 Automated test station for performing a variety of tests on optical fiber under tension
04/21/1995CA2108801A1 Method for finding and measuring optical features using an optical time domain reflectometer
04/20/1995DE4437821A1 Blanking device for an OTDR
04/19/1995EP0649000A1 Measuring-device to control buildings, fields etc.
04/18/1995US5408545 Depolarizer for fiber optic applications and method using same
04/18/1995US5408391 Level indicating device for a vehicle headlamp
04/18/1995US5408311 Method for measuring a refracting power of an optical system and its apparatus
04/18/1995US5408310 Optical time domain reflectometer having shortened dead zone
04/18/1995US5408308 Method for monitoring hermetically-coated fibers
04/11/1995US5406375 Angular distortion measurements by moire fringe patterns
04/11/1995US5406374 Method for detecting bubbles and inclusions present in optical fiber preform and apparatus for detecting same
04/11/1995US5406368 Method and apparatus for chromatic dispersion measurements
04/11/1995US5406213 Instrument for testing liquid crystal display base plates
04/11/1995US5406072 Method for microbeam ion radiation testing of photonic devices
04/11/1995CA2056595C Payout tester of a filament dispenser and method therefor
04/04/1995US5402734 Optical table having debris retention structures
03/1995
03/28/1995US5402225 Optical instrument evaluation using modulation transfer function chart
03/28/1995US5401956 Diagnostic system for fiber grating sensors
03/22/1995EP0644667A1 Method and system for detecting trouble in two-way single-fiber optical transmission
03/22/1995EP0644411A1 Procedure and apparatus for the absolute measurement of the geometrical or optical structure of an optical component
03/22/1995EP0466881B1 Wave front sensor
03/21/1995US5399854 Embedded optical sensor capable of strain and temperature measurement using a single diffraction grating
03/15/1995EP0642759A1 Device for controlling transmittance of optical apparatus with light conducting means especially for endoscopes
03/15/1995EP0642659A1 Optical responder
03/15/1995EP0524252B1 Optical fibre loss detection
03/14/1995US5398112 Method for testing an optical window with a small wedge angle
03/09/1995WO1995006865A1 Process and device for testing the properties of at least one splice in at least one light guide
03/07/1995US5396569 Optical line monitoring method and an apparatus permitting simultaneous line monitoring and information communication
03/07/1995US5396324 Lens meter for measuring a refractive power of a lens
03/07/1995US5396323 Method and apparatus for analyzing optical waveguide cane
03/07/1995US5396060 Quadrant detector arrangement having integral light channels
03/07/1995US5394606 Apparatus for assembly and inspection of optical fiber connectors
03/02/1995DE4430198A1 Device and method for investigating the performance of a phase-shift reticle
03/02/1995DE4328464A1 Method and device for coupling light into at least one optical waveguide to be measured
03/01/1995EP0640824A1 Fibre optic damage detection system
02/1995
02/28/1995US5394235 Apparatus for measuring distortion position of optical fiber
02/22/1995EP0639782A1 Integrated optical waveguide circuit and optical branch line test system using the same
02/22/1995EP0639763A1 Arrangement for identifying an optical fibre
02/22/1995EP0639762A1 Fiber identifier
02/22/1995EP0485629B1 Method and device for testing multi-core optical fiber cable fitted with optical connector
02/21/1995US5392111 Method of measuring and adjusting optical axis of headlight
02/15/1995EP0638795A2 Remote sensing in optical fiber networks
02/14/1995US5390018 Optical pulse tester capable of displaying Raman or Rayleigh scattered light
02/14/1995US5390017 Optical network analyzer for measuring the amplitude characteristics and group delay time dispersion characteristics of an optical circuit device
02/14/1995US5389774 Method and means for calibrating the magnification of zoom optical systems using reticle images
02/14/1995US5388467 Automatic switch test station
02/09/1995WO1995004264A1 Inspection system for optical components
02/08/1995EP0637860A1 Fiber optic amplifier with device for monitoring the pump and input power
02/07/1995US5388172 Optical switching apparatus for optical time domain reflectometers
02/07/1995US5387975 Interferometer for measuring a surface configuration of a test object by an interference pattern using gratings to generate wave fronts
02/07/1995US5387970 Nullifying lens and test method for quality control of intraocular lenses
02/07/1995US5387791 Impurity-doped optical shock, detonation and damage location sensor
02/02/1995DE4325545A1 Device for testing convex end faces of an optical waveguide
02/01/1995EP0636872A1 Automatic masking system for an ODTR.
02/01/1995EP0636868A1 Optical time domain reflectometry
01/1995
01/26/1995WO1995002933A1 Path integrity proving in optical communications systems
01/25/1995EP0635347A1 Lens mold
01/25/1995EP0635123A1 Fiber optic cable monitoring system.
01/24/1995US5384635 Remote sensing in optical fiber networks by synchronously detecting backscattered optical signals
01/22/1995CA2128381A1 Lens mold
01/19/1995WO1995002274A1 An energy storage and conversion apparatus
01/19/1995WO1995002273A1 A rotor for an energy storage and conversion apparatus
01/19/1995WO1995002272A1 A stator
01/19/1995WO1995002271A1 Energy storage and conversion devices
01/17/1995US5383015 Optical time domain reflectometry measurements on a multi-branch optical network using multiwavelength pass filters
01/12/1995WO1995001558A1 Method and apparatus for detecting defects in lenses
01/12/1995DE4322609A1 Method and device for adjusting beam guidance and beam shaping and for dimensioning optics, in particular in laser beam installations
01/11/1995EP0539355B1 Flicker-free infrared simulator with resistor bridges
01/10/1995US5381317 Snap-fit right angle adjustor mechanism
01/10/1995US5381257 Simultaneous data communication and fiber perturbation detection system
01/10/1995US5381005 Optical fiber stress detector using amplitude modulation
01/10/1995CA1333848C Device for performing measurements on a transparent object, method of manufacturing a fibre and fibre manufactured by means of said method
01/03/1995US5379111 Lens meter
01/03/1995US5379104 Method of, and apparatus for, detecting optical axis of headlamp
01/03/1995US5378982 Test probe for panel having an overlying protective member adjacent panel contacts
01/02/1995CA2126404A1 Fiber-optic amplifier with a facility for monitoring the pump power and input power
12/1994
12/28/1994EP0631129A1 Method and device for inspecting transparent objects