Patents
Patents for G02B 26 - Optical devices or arrangements using movable or deformable optical elements for controlling the intensity, colour, phase, polarisation or direction of light, e.g. switching, gating, modulating (46,502)
02/1989
02/28/1989US4809042 Light beam scanning device and electronic photographic recording device using the same
02/28/1989US4809021 Apparatus and method for generating images by producing light spots of different sizes
02/28/1989CA1250465A1 Light-guide circuit switch
02/28/1989CA1250461A1 Laser beam modulating method and apparatus
02/23/1989WO1989001644A1 Optical notch filter for discriminating against coherent radiation
02/23/1989EP0249642A4 Scanner for laser technological installations.
02/23/1989EP0181395A4 Variable power lens system.
02/22/1989EP0304276A2 Beam recorder
02/21/1989US4806951 Optical printer
02/21/1989US4806946 Light beam scanning recording method
02/21/1989US4806742 Portable laser diode scanning head
02/21/1989US4806724 Laser beam machining device
02/21/1989US4805974 Polycone™ scanning system with multiple beams
02/15/1989EP0303319A2 Solid state light modulator incorporating metallized gel and method of metallization
02/15/1989EP0302882A1 Scanning apparatus
02/15/1989CN1031161A Transverse beam shifter and its adjusting method
02/14/1989US4804981 Aspheric lens for polygon mirror tilt error correction and scan bow correction in an electrophotographic printer
02/09/1989WO1989001267A1 Image scanner
02/09/1989WO1989001173A1 Optomagnetic switch
02/08/1989EP0302687A2 Jitter reduction in rotating polygon scanning systems
02/08/1989EP0302682A1 Portable infrared imaging apparatus
02/07/1989US4803498 Laser printer recording system
02/07/1989US4803367 Light beam scanning apparatus employing beam modulation in accordance with the start of scan and end of scan signals
02/07/1989US4803333 Viewing optics for external-mount electron beam welders
02/07/1989US4802727 Positioning optical components and waveguides
02/07/1989US4802721 Scanning optical system
02/01/1989EP0301251A2 Radiation chopping arrangement
01/1989
01/31/1989US4801214 Color filter for wind-up system color changer
01/31/1989US4801197 Adaptor for microscopes providing an odd number of reflections for providing an even number of reflections in conjunction with additional microscope reflection means
01/25/1989EP0300934A1 Laser beam projector and distance measuring device with at least two of these projectors
01/25/1989EP0300640A2 Optical communication systems using Fabry-Perot cavities
01/25/1989EP0299964A1 Scanning apparatus.
01/24/1989US4800401 Light scanning device for scanning with a lasler beam and an image forming apparatus for forming an image with a laser beam
01/24/1989US4800269 Scanning type optical microscope
01/24/1989US4800256 Halographic scanner having adjustable sampling rate
01/24/1989US4799780 Aberrated suppressor mirror
01/24/1989US4799767 High speed shutter for a laser beam
01/24/1989US4799747 Tilt error corrective scanning optical system
01/24/1989CA1249154A1 Dynamically controlled mirror for reduction of projected image distortion
01/24/1989CA1249152A1 Variable optical attenuator or the like
01/24/1989CA1249148A1 Light-beam scanning apparatus
01/24/1989CA1249143A1 Hologram scanner
01/18/1989EP0299336A2 Polygon mirror
01/17/1989US4799103 Three-dimensional laser driven display apparatus
01/17/1989US4798462 Auto-boresight technique for self-aligning phase conjugate laser
01/17/1989US4798451 Binocular tube whose angle of inclination is adjustable
01/17/1989US4798447 Lens mounting for an electrodynamic device for recording on and/or scanning optical discs by means of a radiation spot, and method of manufacturing such a lens mounting
01/17/1989CA1248794A1 Scanning light system
01/12/1989WO1989000299A1 Document illuminating apparatus
01/12/1989DE3721751A1 Optoelectronic filter preferably for video cameras
01/11/1989EP0298260A1 Optical switch
01/11/1989EP0298115A1 Broadband-tunable external fiber-cavity laser
01/10/1989US4797694 Scan-multiplexed light valve printer with band-reducing construction
01/10/1989US4797551 Compact laser scanner optical system
01/10/1989US4797009 Dynamic pressure air bearing
01/10/1989US4796965 Optical scanning device
01/10/1989US4796963 Scanning apparatus using a rotary polygon mirror
01/10/1989US4796962 Optical scanner
01/10/1989US4796961 Multi-beam scanning optical system
01/10/1989CA1248378A1 Arrangement for correcting the position of a laser beam guided by means of an articulated optical system
01/03/1989US4796265 Imaging using collectively controlled multiple beams
01/03/1989US4795878 Scanner for industrial laser machines
01/03/1989US4795224 Optical scanning pattern generator
01/03/1989CA1248230A1 Optical scanner for reading bar codes detected within a large depth of field
01/03/1989CA1247904A1 Fiber optic switchable coupler
01/03/1989CA1247899A1 Method for scanning two fields of view by optical/mechanical means and arrangement employing this method
01/03/1989CA1247898A1 Scanner optics with no cross scan field curvature
01/03/1989CA1247897A1 System for passive and active optical-mechanic scanning of a visual field
12/1988
12/29/1988WO1988010440A1 Opto-electrical connector
12/28/1988EP0296497A1 Continuously variable power attenuator for a laser
12/27/1988US4793699 Projection apparatus provided with an electro-mechanical transducer element
12/27/1988US4793678 Fiber optic polarization controller
12/27/1988US4793672 Constant deviation scanning apparatus
12/21/1988EP0295936A2 Optical scan pattern generating arrangement for a laser scanner
12/21/1988EP0295863A2 Optical printer of scanning type
12/20/1988US4792695 Contact-free measuring apparatus having an F-theta-corrected, catadioptric objective and method for using the same
12/20/1988US4792198 Method and apparatus for rotating one or more mirrors in a beam scanning system
12/15/1988WO1988009975A1 Optical scanning apparatus
12/15/1988WO1988009917A1 Optical modulation and measurement process
12/15/1988EP0196307A4 Optical transmission filter.
12/13/1988US4791591 Apparatus for correcting scanning rate deviation of a galvanometer and correcting method thereof
12/13/1988US4791304 Method and apparatus for scanning a web material in the direction of its width
12/13/1988US4790639 Rotary mirror for optical systems
12/13/1988US4790612 Method and apparatus for copying holographic disks
12/13/1988CA1246372A1 Method of coalescing laser beams
12/07/1988EP0294219A2 Polygon mirror
12/07/1988EP0294218A2 Manufacturing process for polygonal mirror
12/07/1988EP0293967A1 Optomechanical analysis system with due single rotation polygon mirror
12/07/1988EP0293568A1 Switching device for optical fibres
12/06/1988US4789230 f-θ Lens for use in a light beam scanning device
12/06/1988US4789228 Electrically controlled optical switching device
12/06/1988CA1245892A1 Holographic scanning system utilizing a scan linearization lens
12/01/1988WO1988009521A1 Optical pulse waveform shaping apparatus
12/01/1988WO1988009518A1 Apparatus to launch separated mode groups into optical fibers
11/1988
11/29/1988US4788560 Multi-beam scanning system with time sharing beam control
11/29/1988US4788423 Two-mirror scanning system
11/29/1988US4787748 Synchronous optical scanning apparatus
11/29/1988US4787723 Ultra-wide angle F-θ lens system
11/29/1988US4787688 Hologon and method of manufacturing a hologon
11/23/1988EP0292353A1 Device for the control of a light beam in a large angular range, and its use in a detecting device