| Patents for G02B 27 - Other optical systems; Other optical apparatus (75,835) |
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| 01/12/1992 | WO1992001193A1 Light apparatus for use with a compact computer video screen |
| 01/09/1992 | DE4109835A1 Apochromatic field lines collimator - comprises nine lenses and a max. of ten glass-air surfaces |
| 01/08/1992 | EP0465136A2 Optical scanning apparatus having submicron wobble correction |
| 01/08/1992 | EP0464556A2 Light source driving apparatus and image forming system using the same |
| 01/08/1992 | EP0464114A1 Device for the presentation of an image with a light-deflecting part |
| 01/07/1992 | US5079555 Sequential image synthesizer |
| 01/07/1992 | US5078773 Reducing stray light in lensed optical systems |
| 01/07/1992 | US5078512 Unidirectional mode converter and optical isolator using same |
| 01/07/1992 | US5078502 Compact afocal reimaging and image derotation device |
| 01/07/1992 | US5078501 Method and apparatus for optically evaluating the conformance of unknown objects to predetermined characteristics |
| 01/07/1992 | US5078499 Optical interconnection arrangement |
| 01/07/1992 | US5078487 Projecting apparatus |
| 01/07/1992 | US5078479 Light modulation device with matrix addressing |
| 01/07/1992 | US5078470 One-way peephole |
| 01/07/1992 | CA1293997C Polarization insensitive optical communication device utilizing optical preamplification |
| 01/07/1992 | CA1293881C Electronic imaging apparatus and method |
| 01/07/1992 | CA1293873C Heads-up display combiner utilizing a cholesteric liquid crystal element |
| 01/03/1992 | WO1992000550A1 Colour filter adapter with changeable colour for optical pickup and projecting apparatuses resp. method for its production |
| 01/03/1992 | CA2090870A1 Colour filter adapter with changeable colour for optical pickup and projecting apparatuses resp. method for its production |
| 01/02/1992 | EP0463888A2 Display unit |
| 01/02/1992 | EP0463565A1 Recticle display device |
| 01/02/1992 | EP0463500A1 An apparatus for reducing, enlarging and projecting image information |
| 01/02/1992 | EP0331691B1 A method of and an apparatus for cooling an optical fibre |
| 12/31/1991 | US5077813 Optical switch |
| 12/31/1991 | US5077622 Apparatus for precision focussing and positioning of a beam waist on a target |
| 12/31/1991 | US5077621 Optical pulse compressor |
| 12/31/1991 | US5076689 Off axis mirror alignment |
| 12/31/1991 | US5076685 Apparatus for ophthalmological laser-therapy instruments |
| 12/31/1991 | US5076678 Laser diode light imaging optics |
| 12/31/1991 | US5076676 Objective lens system for microscopes |
| 12/31/1991 | US5076664 Optical device enabling the introduction of a collimated image in an observer's field of vision |
| 12/31/1991 | US5075977 Automatic plumb and level tool |
| 12/30/1991 | WO1992000551A1 Projector |
| 12/27/1991 | EP0462905A2 Electronic camera |
| 12/27/1991 | EP0462757A2 Polarization diffraction element and polarization detector employing the same |
| 12/26/1991 | WO1991020114A1 Laser oscillating device |
| 12/26/1991 | WO1991020010A1 Improved kaleidoscopic device |
| 12/25/1991 | CN2091466U Combined multi-prism |
| 12/24/1991 | US5075861 Integrated stabilized optical and navigation system |
| 12/24/1991 | US5075798 Projection-type display device |
| 12/24/1991 | US5074645 Full color three dimensional display system |
| 12/19/1991 | DE4018783A1 Optical beam splitter for polarisation independent heterodyne receiver - has rectangular, thin TE-TM beam splitting plate divided by 3dB splitting platelet |
| 12/18/1991 | EP0461856A1 Petzval objective lens system |
| 12/18/1991 | EP0461710A1 Device for optical heterodyne detection and optical component suitable for use in such a device |
| 12/17/1991 | US5073879 Information processing apparatus using a beam splitting means having non-polarization beam split surface |
| 12/17/1991 | US5073831 Cooled transmissive mirrors, beam splitters, windows, and refractive elements for high-power applications |
| 12/17/1991 | US5073830 High-efficiency polarized light source |
| 12/17/1991 | US5073017 Image deflecting device |
| 12/17/1991 | US5073013 Projection-type display device |
| 12/17/1991 | US5073009 Laminated beam splitting optical system with reflective medium |
| 12/12/1991 | WO1991019377A1 Improvements in thermal imagers |
| 12/12/1991 | WO1991019213A1 Gradient filter |
| 12/12/1991 | WO1991011683A3 Navigation aid including map transparency holder |
| 12/11/1991 | EP0460983A1 Simulated pictures display device for helmet |
| 12/11/1991 | EP0460873A1 Apparatus for displaying an image |
| 12/11/1991 | EP0460713A2 Improved stereoscopic viewer |
| 12/11/1991 | EP0460625A2 Optical information processing apparatus and method using computer generated hologram |
| 12/11/1991 | EP0460314A1 Display medium |
| 12/11/1991 | EP0460241A1 Optical apparatus for generating polarized light |
| 12/11/1991 | EP0378575A4 Asymmetric purge air system for cleaning a lens |
| 12/11/1991 | CN2090540U Kaleidoscope |
| 12/11/1991 | CN2090539U Optical adapter for testing properties of fibre-optic bundle |
| 12/10/1991 | US5072314 Image enhancement techniques using selective amplification of spatial frequency components |
| 12/10/1991 | US5072218 Contact-analog headup display method and apparatus |
| 12/10/1991 | US5072215 Three-dimensional imaging system |
| 12/10/1991 | US5072209 Data display system for vehicles |
| 12/10/1991 | US5072126 Promixity alignment using polarized illumination and double conjugate projection lens |
| 12/10/1991 | US5072104 Achromatic null lens |
| 12/10/1991 | US5071226 Airborne optoelectronic system for identification and localization with compensated and facetted port |
| 12/10/1991 | US5071225 Beam splitter for producing a plurality of splitted light beams for each of wavelength components of an incident light beam |
| 12/10/1991 | US5071210 Sandwich reflection hologram |
| 12/10/1991 | US5071209 Variable acuity non-linear projection system |
| 12/08/1991 | CA2043924A1 Apparatus for displaying an image |
| 12/04/1991 | EP0459850A1 Head-up display and helmet comprising at least one such display |
| 12/04/1991 | EP0459712A2 Optical apparatus for fingerprint recognition system |
| 12/04/1991 | EP0458788A1 Optical lenses and related devices |
| 12/03/1991 | US5069537 Image deflecting device |
| 12/03/1991 | US5069530 Solid state image pick-up apparatus |
| 12/03/1991 | US5069529 Portable display equipment |
| 12/02/1991 | CA2043643A1 Helmet simulated image display device |
| 11/30/1991 | CA2043371A1 Optic device for the introduction of a superimposed image into the visual field of an observer |
| 11/28/1991 | WO1991018314A1 Optical system for intensifying feeling of presence at sites of various images |
| 11/27/1991 | EP0458492A1 Beam splitter apparatus with adjustable image focus and registration |
| 11/27/1991 | EP0458463A1 Variable acuity non-linear projection optics |
| 11/27/1991 | EP0457815A1 Visual effect created by an array of reflective facets with controlled slopes |
| 11/26/1991 | US5068751 Three element grating objective and grating-beam shaper, and optical scanning device |
| 11/26/1991 | US5068750 Contaminant removal from telescope optical elements |
| 11/26/1991 | US5068515 Apparatus for homogenizing the non-homogeneous light distribution of a laser beam |
| 11/26/1991 | US5067805 Confocal scanning optical microscope |
| 11/26/1991 | US5067801 Transverse flow aerodynamic lens |
| 11/26/1991 | US5067799 Beam combining/splitter cube prism for color polarization |
| 11/26/1991 | US5067782 Apparatus for producing a distortion-free two-dimensional image of a scanned object |
| 11/26/1991 | CA1292379C Color wheel assembly for lighting equipment |
| 11/26/1991 | CA1292378C Holographic indicator for determining vehicle perimeter location |
| 11/21/1991 | EP0457605A2 Polarization converting device and polarized-light illuminating system using the device and image display unit using the device |
| 11/21/1991 | EP0457281A2 Image reading apparatus |
| 11/21/1991 | EP0456652A1 Optical colour-splitter arrangement. |
| 11/20/1991 | CN1014828B Optical carrier-phase shift method for testing direction of principal stress |
| 11/19/1991 | US5066990 Reflector system for michelson interferometers |
| 11/19/1991 | US5066525 Laminated glass panel incorporating hologram sheet |