Patents
Patents for G02B 27 - Other optical systems; Other optical apparatus (75,835)
03/1989
03/23/1989DE3829728A1 Method and device for homogenizing the cross-sectional intensity distribution of a laser beam
03/23/1989DE3730548A1 Instrument (test set) for calibration and adjustment of laser rangefinders
03/22/1989EP0308022A1 Apparatus for optically scanning a radiation-reflective information plane
03/22/1989EP0207132B1 Method of producing a gaussian laser beam filter
03/21/1989US4813769 Liquid crystal wave division device
03/21/1989US4813763 Light beam fluctuation compensating device and method
03/21/1989US4813762 Coherent beam combining of lasers using microlenses and diffractive coupling
03/21/1989US4813761 High efficiency spatial masks
03/15/1989EP0307384A1 Device for modulating a laser beam
03/15/1989EP0307203A2 Tri-color separating optical system
03/15/1989EP0307094A2 Optical image rotators
03/15/1989EP0307029A1 Apparatus for the point-by-point scanning of an object
03/15/1989CN2034284U Optical palette instrument
03/15/1989CN1031766A Combined picture stereoscope
03/14/1989US4812957 Optical system for uniform illumination of a plane surface
03/14/1989US4812039 Schlieren optical device
03/09/1989WO1989002096A1 A method of examining x-ray films and the like and an examination cabinet for such film examination
03/09/1989WO1989002069A1 Asymmetric purge air system for cleaning a lens
03/08/1989EP0306401A1 Mid-infrared frequency shifter
03/08/1989EP0306308A2 Video display apparatus
03/08/1989EP0305932A2 Apparatus for suppressing optical frequencies
03/08/1989EP0305534A1 Optical space transmission apparatus
03/08/1989EP0305430A1 Optical device with a non reciprocal polarization rotator
03/07/1989US4811061 Polychromatic mutual alignment device for an aiming apparatus
03/07/1989US4810895 Method and apparatus for optical examination of an object particularly by moire ray deflection mapping
03/07/1989US4810076 Selective shading device and an optical device using the same
03/07/1989US4810069 Collimator optical system for effecting elliptical-to-circular conversion
03/07/1989US4810057 Three-dimensional viewing glasses
03/07/1989US4810056 Collimated relief display device
03/02/1989DE3728104A1 Arrangement for optical beam guidance by means of prisms
03/02/1989DE3727552A1 Device for the comparative image evaluation of the overall image of an object and portions of it
03/01/1989EP0305274A1 Method and arrangement for generating stereoscopic images
03/01/1989EP0305096A2 Optical system for head-up displays
03/01/1989EP0304994A2 Polarisation scrambler
03/01/1989EP0304666A2 Optical lighting system
03/01/1989EP0181872B1 Optical spatial frequency filter
02/1989
02/28/1989US4809021 Apparatus and method for generating images by producing light spots of different sizes
02/28/1989US4808978 Display system comprising a transparent emissive screen
02/28/1989US4808807 Optical focus sensor system
02/28/1989US4807981 Spatial frequency filter
02/28/1989US4807965 Apparatus for three-dimensional viewing
02/28/1989US4807951 Holographic thin panel display system
02/28/1989CA1250469A1 Driving apparatus for an objective lens
02/23/1989WO1989001645A1 A storage and filing means for photographic films
02/23/1989WO1989001643A1 Optical apparatus with protection device
02/23/1989WO1989001642A1 A cine photomacrography system
02/23/1989WO1989001619A1 Beam forming and sensing apparatus for aerodynamic particle sizing system
02/23/1989DE3727109A1 Method for adjusting and attaching two bodies and arrangement for carrying out the method
02/22/1989EP0303742A1 Head-up display
02/22/1989CN2033128U Multi-functional stereoscopic photography imaging unit
02/21/1989US4806904 Head-up display device
02/21/1989US4806750 Separating electromagnetic waves according to wavelength
02/21/1989US4806728 Laser process apparatus
02/21/1989US4806007 Optical gun sight
02/21/1989US4805992 Astigmatism generator
02/21/1989US4805990 Apparatus for viewing a refracted image and photographic method
02/21/1989US4805988 Personal video viewing device
02/21/1989US4805983 Led array head
02/21/1989US4805982 Led array head
02/21/1989US4805977 Optical coupler for optical direct amplifier
02/21/1989US4805974 Polycone™ scanning system with multiple beams
02/21/1989US4805895 Image forming apparatus and method
02/21/1989US4805313 Apparatus for illuminating a sight on a weapon
02/20/1989EP0205497A4 Optical entertainment or amusement structure and device.
02/15/1989EP0303111A2 Achromatic tunner for birefringent optical filter
02/14/1989US4805028 Television camera for endoscopes provided with an optical low-pass filter
02/14/1989US4804981 Aspheric lens for polygon mirror tilt error correction and scan bow correction in an electrophotographic printer
02/14/1989US4804836 Optical apparatus having moving means for protecting an optical element for use in automatic vehicle
02/14/1989US4804249 Optical filter for incoherent imaging systems
02/09/1989WO1989001172A1 Real image projection system
02/09/1989WO1989001016A1 Hologram paint having delicate circular diffraction grating
02/09/1989DE3712170A1 Stereoskopisches display-system A stereoscopic display system
02/08/1989EP0302619A2 Opticle collimating apparatus
02/08/1989EP0302081A1 Lenses for photographic printers.
02/08/1989EP0302056A1 Optical filter with colour modulation
02/08/1989CN2032332U Multifunctional colour art photographic lens
02/08/1989CN2032331U Stereopicture imaging device for fullautomatic camera
02/08/1989CN2032330U Auxiliary shouting device for colour stereopicture
02/08/1989CN1030987A Apparatus for optically scanning information plane
02/07/1989US4802750 Real image projection system with two curved reflectors of paraboloid of revolution shape having each vertex coincident with the focal point of the other
02/07/1989US4802735 Light valve projector having an improved bar plate configuration
02/07/1989US4802721 Scanning optical system
02/02/1989DE3725234C1 Method for the visualisation of molecular structures of the surface of liquids
02/01/1989EP0301997A2 Method and apparatus for mounting a cathode ray tube for a heads-up display system
02/01/1989EP0301801A2 Miniature video display system
02/01/1989EP0301563A2 Night vision goggle compatible alarm
02/01/1989EP0301473A2 Method of increasing the brightness of an image and helmet mounted display
02/01/1989EP0301125A1 Device for superpositioning two light beams
02/01/1989EP0301065A1 Color sequential illuminating system for a liquid crystal light valve.
02/01/1989CN2031934U Stereoscopic spectacles for tv image
01/1989
01/31/1989US4801795 Spatial frequency filter in which frequency components greater than the Niquist frequency are suppressed
01/31/1989US4801214 Color filter for wind-up system color changer
01/31/1989CA1249467A1 Light waveguide with a submicron aperture, method for manufacturing the waveguide and application of the waveguide in an optical memory
01/26/1989WO1989000779A1 Apparatus for controlling laser wavelength
01/26/1989WO1989000706A1 Self-supported, adjustable, condensation-free shower mirror
01/25/1989EP0300570A1 Apparatus for optically scanning an information plane
01/25/1989EP0299964A1 Scanning apparatus.
01/24/1989US4800557 Optical demultiplex transmission equipment
01/24/1989US4800474 Color wheel assembly for lighting equipment
01/24/1989US4800288 Optical image transformation apparatus