| Patents for G02B 27 - Other optical systems; Other optical apparatus (75,835) |
|---|
| 08/01/1991 | DE4102802A1 Stereoscopic projector - has projection lenses supported in adjustable holders to avoid image distortion |
| 08/01/1991 | DE4002804A1 Viewing and photographing optics flat object - has beam splitter between object and illuminating unit or imaging lens to deflect imaging beam path |
| 07/31/1991 | EP0438910A2 A projection type display apparatus |
| 07/31/1991 | EP0438675A2 Interferometric sensor to measure distance-variations of a small surface |
| 07/31/1991 | CN2081985U Photo frame for enjoying stereoscopic photo |
| 07/31/1991 | CN2081934U Kaleidoscope lamp |
| 07/30/1991 | WO1991011683A2 Navigation aid including map transparency holder |
| 07/30/1991 | US5036512 Optical apparatus for combining light beam arrays having different wavelengths |
| 07/30/1991 | US5036385 Autostereoscopic display with multiple sets of blinking illuminating lines and light valve |
| 07/30/1991 | US5036188 Remote-control-light detecting device for AV apparatus |
| 07/30/1991 | US5035474 Biocular holographic helmet mounted display |
| 07/30/1991 | US5035473 Display apparatus |
| 07/25/1991 | WO1991010924A1 Method and apparatus for aligning a zoom lens with an image sensor |
| 07/24/1991 | EP0438362A1 A spectacle type display apparatus displaying directly to retina |
| 07/24/1991 | EP0437883A1 Scanning device for optically scanning a surface along a line |
| 07/24/1991 | EP0437428A1 Process for detecting a psychedelic state |
| 07/24/1991 | EP0437424A1 Stereoscopic video image display appliance wearable on head like spectacles. |
| 07/24/1991 | CN1053299A Method and apparatus for correcting positional error of deflection light beam |
| 07/23/1991 | US5034809 Personal video viewing apparatus |
| 07/23/1991 | US5034732 Head up display apparatus for automotive vehicle |
| 07/23/1991 | US5033848 Pendulous compensator for light beam projector |
| 07/23/1991 | US5033830 Polarization independent optical isolator |
| 07/23/1991 | US5033829 Overlapping polarizer panels capable of generating light and dark and colored patterns |
| 07/23/1991 | US5033818 Electronic diving system and face mask display |
| 07/23/1991 | CA1286493C Apparatus for clearing a cellulose ester filter |
| 07/18/1991 | DE4001078A1 Light beam splitter for camera - uses half silvered mirror and separate compensating device to improve picture quality |
| 07/17/1991 | EP0436924A2 Beam combining/splitter cube prism for color polarization |
| 07/17/1991 | EP0436662A1 Head-up display. |
| 07/17/1991 | EP0436554A1 Helmet systems. |
| 07/17/1991 | CN2081102U Combined lens for watching tv with high-clarity, large-screen and stereo functions |
| 07/17/1991 | CN2081101U Sound controlled electronic magic kaleidoscope |
| 07/16/1991 | US5033042 Optical apparatus for optical pickup |
| 07/16/1991 | US5032015 Self-supported, adjustable, condensation-free shower mirror |
| 07/16/1991 | US5032014 Datum beam projecting apparatus for use with surveying equipment |
| 07/16/1991 | US5032004 Beam splitter apparatus with adjustable image focus and registration |
| 07/16/1991 | US5032002 Write with light optical notching filter |
| 07/16/1991 | US5031993 Detecting polarization state of an optical wavefront |
| 07/16/1991 | US5031983 Apparatus comprising a waveguide magneto-optic isolator |
| 07/16/1991 | US5031918 Magnifying marker for a game board |
| 07/16/1991 | CA1286132C Security diffraction devices difficult to exactly duplicate |
| 07/11/1991 | WO1991010210A1 Process and device for correcting positional errors in a deflected light beam |
| 07/11/1991 | WO1991010153A1 Optical apparatus for generating polarized light |
| 07/11/1991 | WO1991010152A2 Self-masking transparency viewing apparatus |
| 07/11/1991 | DE4000109A1 Translucent-picture display equipment - is accommodated on sections of belt moved together at regular intervals round rollers |
| 07/11/1991 | CA2007609A1 A method of reducing the glare produced by forward headlamps of a motor vehicle |
| 07/10/1991 | EP0436267A1 Apparatus and method for enhancement of image viewing by modulated illumination of a transparency |
| 07/10/1991 | EP0274492B1 Metrological scale |
| 07/10/1991 | CN1052956A Line focusing system of cylindrical lenses array |
| 07/09/1991 | US5031078 Additive color mixing system with variable hue and saturation light sources |
| 07/09/1991 | US5030010 Process for the optical scanning of an object and device for the implementation of said process |
| 07/09/1991 | US5029995 Telescope having image field stabilization by cardanically journalled inverting systems |
| 07/09/1991 | US5029990 Detection system for polarized radiation incident with a skewed polarization plane |
| 07/09/1991 | US5029980 Viewing device |
| 07/09/1991 | US5029975 Despeckling screen utilizing optical fibers and method of reducing interference using same |
| 07/09/1991 | US5029964 Optical fibre receiving and laser beam combining unit |
| 07/09/1991 | US5029954 Kaleidoscope |
| 07/09/1991 | CA1285719C Device and kit for cleaning lenses of telescopes, cameras and the like |
| 07/03/1991 | EP0435825A1 Apparatus for homogenizing the inhomogeneous light distribution of a laser light beam |
| 07/03/1991 | EP0435523A2 Helmet display |
| 07/03/1991 | EP0435296A1 Optical space switch and network with such optical space switches |
| 07/03/1991 | EP0435288A1 Image projector |
| 07/02/1991 | US5029010 Imaging system with optical low-pass filter |
| 07/02/1991 | US5028912 Display apparatus for automotive vehicle |
| 07/02/1991 | US5028134 Depolarizer for light measuring instruments |
| 07/02/1991 | US5028121 Projection device |
| 07/02/1991 | US5028119 Aircraft head-up display |
| 06/28/1991 | CA2032915A1 Beam combining/splitter cube prism for color polarization |
| 06/27/1991 | WO1991009486A1 Non-contact optical print head for image writing apparatus |
| 06/27/1991 | WO1991009334A1 Optical system for multidirectional observation authorizing the selection of a direction |
| 06/26/1991 | EP0434065A2 High throughput contrast enhancement |
| 06/26/1991 | EP0434041A1 Polarized illuminazing device |
| 06/25/1991 | US5026149 Projection lens system |
| 06/19/1991 | EP0433160A1 Airborne optoelectronic identification and location equipment with compensated facet window |
| 06/19/1991 | EP0433145A1 Optical arrangement for the visualisation of luminous data collimated to infinity |
| 06/19/1991 | CN2079306U Multi-scenery kaleidoscope |
| 06/19/1991 | CN2079305U Tool for watching back of articles |
| 06/18/1991 | US5025268 Optical scanning apparatus and asymmetrical aspheric scanning lens |
| 06/18/1991 | US5025142 Light waveform changing apparatus using an optical amplifier |
| 06/18/1991 | US5024508 Amplitude encoded phase-only filters for optical correlators |
| 06/18/1991 | US5024494 Focussed light source pointer for three dimensional display |
| 06/18/1991 | CA1284909C Optical beam splitter prism |
| 06/16/1991 | CA2031736A1 Identification and localization airborne optoelectronic equipment with a compensated facet porthole |
| 06/13/1991 | WO1991008505A1 Stereoscope |
| 06/13/1991 | DE4002819C1 Decorative glass body for object viewing - has object support base and inclined intermediate side face between base and viewing face |
| 06/13/1991 | CA2032076A1 Optical device for the display of light data collimated to infinity |
| 06/12/1991 | EP0431894A2 Polarization converter for converting randomly polarized light to linearly polarized light |
| 06/12/1991 | EP0431488A2 Dual-mirror virtual image display for vehicle instrument cluster |
| 06/12/1991 | CN2078887U Colour lightning kaleidoscope |
| 06/11/1991 | US5023948 Polarization modulation of optical signals using birefringent medium |
| 06/11/1991 | US5023886 High power laser with focusing mirror sets |
| 06/11/1991 | US5023723 Image sensing apparatus having plural image sensors and plural shutters |
| 06/06/1991 | DE4037879A1 Helmet-mounted head-up display - has optical unit for directing display light reflecting plate toward shield |
| 06/05/1991 | EP0430140A2 Instrument display apparatus |
| 06/05/1991 | EP0429899A2 Venting system for eyeglasses |
| 06/05/1991 | EP0429706A1 Laser processing method and apparatus |
| 06/05/1991 | CN2078450U Stereoscopic magnifying glass |
| 06/05/1991 | CN2078449U Optical recording head for stereoscopic photography |
| 06/05/1991 | CN2078448U Portable internal light reading device |
| 06/04/1991 | US5020870 Binocular kaleidoscope |
| 05/30/1991 | WO1991007684A1 Optical isolator |