Patents
Sitemap › G02 - Optics › G02B - Optical elements, systems, or apparatus › G02B 27 - Other optical systems; Other optical apparatus
Patents for G02B 27 - Other optical systems; Other optical apparatus (75,835)
11/1991
11/19/1991US5066158 Combined negative holder and viewing device
11/19/1991US5066119 Optical device for phase detection testing optical systems, especially ophthalmic lenses
11/19/1991US5066108 High throughput contrast enhancement for polarized displays
11/19/1991US5066102 Combiner for head-up display and glass with durable reflective coating
11/19/1991US5066101 Color separation optical system and method of manufacturing the same
11/19/1991US5066100 Binary alignment corrector
11/19/1991US5066092 Optical arrangement for a feedback-free coupling of a laser emission emitted by a semiconductor laser into an optical fiber
11/19/1991US5065976 Support structure
11/19/1991US5065520 Reticule device for a fire sighting scope
11/14/1991WO1991017465A1 Lens system
11/14/1991WO1991015930A3 Three dimensional display
11/14/1991CA2081329A1 Lens system
11/13/1991EP0456427A2 Polarization converting apparatus and optical instrument having the same
11/13/1991CN2088643U 放大工作灯 Enlarge Work Light
11/13/1991CN1014745B Density controlling method and apparatus of pseudo-coloured encode colours for black and white image
11/12/1991US5065236 Stereoscopic camera and viewing systems with undistorted depth presentation and reduced or eliminated erroneous acceleration and deceleration perceptions, or with perceptions produced or enhanced for special effects
11/12/1991US5065005 Polychromatic mutual alignment device for an aiming apparatus
11/12/1991US5064261 Fθ lens systems in optical scanner
11/12/1991CA1291887C Device for protecting optical means from contaminated gases
11/08/1991CA2040272A1 Variable acuity non-linear projection optics
11/07/1991DE4112755A1 Viewer for stereoscopic images - has two rotation elliptical mirrors, deflecting image beams from hollow body with image screen display
11/06/1991EP0455450A2 Beam splitter/combiner apparatus
11/06/1991EP0455449A2 Full color upconversion display
11/06/1991EP0455444A1 Movement detection device and focus detection apparatus using such device
11/06/1991CN1014647B Prism optic and optical information processing apparatus
11/05/1991US5063292 Optical scanner with reduced end of scan wobble having an even number of beam reflections
11/05/1991US5062694 Birefringent filter design
11/05/1991CA1291657C Systems and methods for processing optical correlator memory devices
10/1991
10/31/1991WO1991016654A1 Hologon scanner with beam shaping stationary diffraction grating
10/30/1991EP0454503A2 Optical scanners
10/30/1991EP0454443A2 Spectacles incorporating display means for a stereoscopic viewing system
10/30/1991EP0454423A1 A liquid crystal display
10/30/1991EP0454409A1 Wavelength selective phase grating optical low-pass filter
10/30/1991EP0454245A2 Image display and pick-up apparatus
10/30/1991EP0454152A2 Method of manufacturing nozzle plate for ink jet printer
10/30/1991EP0453733A1 Detecting method and detector used for the three dimensional tracking of the focus of a high energy laser
10/30/1991EP0274491B1 Opto-electronic scale-reading apparatus
10/30/1991CN2087788U Gem light kaleidoscope
10/29/1991US5061996 Ground vehicle head up display for passenger
10/29/1991US5061068 Process for detection of sub-micron particulate contamination on a bare (planar) substrate
10/29/1991US5061046 Gradient index liquid crystal devices and method of fabrication thereof
10/29/1991US5061025 Hologon scanner with beam shaping stationary diffraction grating
10/29/1991US5060408 Device for the cyclic rearrangement of a pile of sheets
10/29/1991US5060389 Semiconductor device inspection template
10/26/1991WO1991016653A1 Device for delivering a collimated beam such as a laser beam
10/26/1991CA2081332A1 Device for delivering a collimated beam such as a laser beam
10/26/1991CA2041095A1 Optical switch
10/23/1991EP0453400A1 Matrix-addressed light modulation device
10/23/1991EP0453323A2 Optical pickup device
10/23/1991EP0452793A2 Optical head having a hologram associated with the objective lens
10/23/1991EP0236345B1 Optical systems with antireciprocal polarization rotators
10/23/1991CN2087348U Laser three-beam locating instrument
10/23/1991CN1055600A Shearing interferometer for detecting collimation of optical beams
10/22/1991US5060301 Optical repeated transmission method and system
10/22/1991US5060062 Electronic vision aid device
10/22/1991US5060058 Modulation system for projection display
10/22/1991US5059991 Dustproof transparent member
10/22/1991US5059957 Display apparatus for vehicle
10/22/1991US5059013 Illumination system to produce self-luminous light beam of selected cross-section, uniform intensity and selected numerical aperture
10/22/1991US5058991 Mailable 3-D viewers of post card size
10/22/1991US5058990 Stereoscopic viewer and view panels therefor
10/22/1991US5058981 Light source device
10/22/1991US5058971 Planar optical isolator
10/22/1991US5058281 Control system for ruling blazed, aberration corrected diffraction gratings
10/17/1991WO1991015930A2 Three dimensional display
10/17/1991DE4111864A1 Laser-diode for surgical use - is focussed to uniform image by two orthogonal compensating cylindrical lenses
10/16/1991EP0299964B1 Scanning apparatus
10/16/1991EP0250455B1 Method and apparatus for atomic beam irradiation
10/16/1991CN2086909U 电动魔术万花筒 Electric Magic Kaleidoscope
10/15/1991US5056890 Displaying apparatus for a vehicle having a projector on the ceiling of the vehicle
10/15/1991US5056185 Optical fiber cleaner
10/15/1991CA1290507C Anti-fogging material
10/09/1991EP0451034A1 Device for image projection
10/09/1991EP0450952A2 Optical system for a colour picture display
10/09/1991EP0450887A2 Apparatus comprising a waveguide magneto-optic isolator
10/09/1991EP0450553A2 An automotive display apparatus
10/09/1991EP0450058A1 Display panel for a vehicle windshield
10/09/1991EP0449893A1 Diffraction grating.
10/09/1991EP0199767B1 A fluorescence imaging system
10/09/1991CN2086422U Multi-channel optical fiber image cross-changing unit
10/08/1991US5055922 Color tv projection lens system
10/08/1991US5054884 Beam splitter including a diffraction grating and one of step shaped, inclined, or curved transparent surface
10/08/1991US5054866 Scanning optical apparatus
10/08/1991US5054865 Multi-ocular kaleidoscope
10/04/1991WO1991014959A1 Scanner with a post-facet lens system
10/04/1991CA2057904A1 Scanner with a post-facet lens system
10/03/1991WO1991014488A1 Improved isotope separation process
10/02/1991EP0449325A2 Optical low-pass filter
10/02/1991EP0448708A1 A beam splitter for color imaging apparatus.
10/02/1991DE4110296A1 Optical system for catadioptric reduction projection - has two lens groups, one positive and another one negative, and polarisation beam splitter
10/02/1991DE4009947A1 Helmet-based visual-field retractable projector - has combined LCD and video light source on common axis
10/01/1991US5053810 Reprographic lens system and a reprographic camera comprising such a system
10/01/1991US5053755 Automotive head-up display with high brightness in daytime and high contrast in nighttime
10/01/1991US5052791 Variable magnification viewfinder optical system with variable magnification based on polarization
10/01/1991US5052780 Dichroic beam splitter
10/01/1991US5052767 Optical beam scanning system
10/01/1991US5052763 Optical system with two subsystems separately correcting odd aberrations and together correcting even aberrations
10/01/1991CA1289788C Operating microscope providing an image of an obscured object
10/01/1991CA1289787C Device for stabilizing the mean wave length of a wide spectrum source and application to an optical fiber gyrometer
09/1991
09/27/1991WO1991015099A1 Head-activated fluoroscopic control
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