Patents
Patents for G02B 27 - Other optical systems; Other optical apparatus (75,835)
05/1991
05/30/1991WO1991007674A1 Anti-dazzle filter
05/29/1991EP0429368A1 Light-beam focalization device allowing a focal spot with oblong shape to be obtained
05/29/1991EP0429290A2 Projection synchronization system
05/29/1991EP0429243A2 Beam shaping system using diffraction
05/29/1991EP0429219A2 Apparatus for detection of optical wavefront polarization state
05/29/1991EP0428971A2 Full colour three-dimensional projection display
05/29/1991CN2078010U Double-colour liquid flow floating-ball viewing mirror
05/29/1991CN2078009U Reading instrument of kilowatt-hour meter
05/28/1991US5019828 Locating a mobile personnel station
05/28/1991US5018845 Photographic system for stabilizing an image including two positive lens groups, each group including a positive lens and a negative lens
05/28/1991US5018844 Passive beam derotator
05/28/1991US5018838 Method and device for achieving optical spatial phase modulation
05/28/1991US5018806 Image forming apparatus
05/28/1991CA2030470A1 Instrument display apparatus
05/28/1991CA1284427C Integrated head-up and panel display unit
05/23/1991WO1991007682A1 Phase measuring scanning optical microscope
05/23/1991CA2077754A1 Phase measuring scanning optical microscope
05/23/1991CA2029004A1 Venting system for eyeglasses
05/22/1991EP0428213A1 Polarisation-sensitive beam splitter
05/21/1991US5018127 Light emitting apparatus having a plurality of light emitting points
05/21/1991US5017000 Multifocals using phase shifting
05/21/1991US5016977 Optical lens for correcting astigmatism
05/21/1991US5016976 Modified compact 2f optical correlator
05/21/1991US5016964 Optical fiber coupler with linear input
05/21/1991US5016950 Full-color zero-order suppressed diffraction optics diffusing screen/louver filter laminate
05/18/1991CA2029805A1 Beam shaping system using diffraction
05/15/1991EP0427021A2 Optical module
05/15/1991CN2077134U High-brightness high-clarity stereoscopic tv lens
05/15/1991CN1051430A Grating objective and grating-beam shaper and optical scanning device comprising at least are of said elements
05/14/1991US5016237 Prism optics stable with respect to wavelength and temperature variations and optical information processing apparatus
05/14/1991US5016109 Apparatus and method for segmenting a field of view into contiguous, non-overlapping, vertical and horizontal sub-fields
05/14/1991US5015348 High mass isotope separation arrangement
05/14/1991US5015100 Apparatus and method for normal incidence reflectance spectroscopy
05/14/1991US5015083 Aircraft vision augmentation system with adjustable external mirror and cockpit mirror
05/14/1991US5015072 Glare reduction shield
05/14/1991US5015071 Light distributor for an X-ray diagnostics installation
05/14/1991US5015070 Reference grid for optical scanner
05/14/1991US5015064 Electronic printer or scanner using a fiber optic bundle
05/14/1991US5015051 Integrated single-mode isolator waveguide and application to a semiconductor laser
05/08/1991EP0426497A2 Helmet mounted display
05/08/1991EP0426248A2 Grating objective and grating-beam shaper, and optical scanning device comprising at least one of said elements
05/08/1991CN2076733U High-luminance level sense tv lens
05/08/1991CN2076417U Multipurpose myopia preventing apparatus for students
05/08/1991CN1012599B Alarm compatible with night vision goggles
05/07/1991US5014075 Multibeam recorder using mirror reflected parallel scan lines
05/07/1991US5013153 Interferometric gas component measuring apparatus for small gas molecules
05/07/1991US5013135 Head-up display with two fresnel lenses
05/07/1991US5013134 Ghost-free automotive head-up display employing a wedged windshield
05/07/1991US5013133 Diffractive optical imaging lens systems
05/07/1991US5013108 Optical scanning device and mirror correction system for use in such a device
05/02/1991WO1991006184A1 Method and apparatus for creating three-dimensional television or other multi-dimensional images
05/02/1991WO1991006045A1 Method for recording and visually reproducing a three-dimensional scene
05/02/1991WO1991006031A1 Display panel for a vehicle windshield
05/02/1991WO1991006030A1 A beam splitter for color imaging apparatus
05/02/1991WO1991004508A3 Helmet mounted display
05/02/1991EP0425365A1 System for correction of optical aberrations caused by non axial use of spherical cupolas
05/02/1991EP0425088A2 Information storage in holograms
05/02/1991EP0424950A2 Polarized head up display
05/02/1991EP0424949A2 Polarized holographic head up display
05/02/1991DE3933255A1 Direction-stabilised binocular telescope - has prism pairs between each ocular and lens with rotation drives controlled by acceleration sensors detecting body movements
05/01/1991CN2076243U Reduction-of-centre dial for coordinate of surveyor's transit
04/1991
04/30/1991US5012212 Open resonator for electromagnetic waves having a polarized coupling region
04/30/1991US5011265 Optical attenuator
04/30/1991US5011264 Wide linear dynamic range optical modulator
04/24/1991EP0424238A1 Sighting device
04/24/1991EP0424175A2 Production of grey scale images using pixellated exposure devices
04/24/1991EP0424110A2 Diffraction grating for colour separation and method for producing the same
04/24/1991EP0423409A1 Optical system
04/24/1991EP0423144A1 Arrangement for head-up displays of motor vehicles
04/24/1991EP0296202B1 Off-axis holographic instrument illuminator
04/23/1991US5010465 Optical lighting system
04/23/1991US5009506 Photoelectric position-measuring arrangement having a plurality of shiftable grids
04/23/1991US5009486 Form depicting, optical interference authenticating device
04/23/1991US5009472 Light scanning device with polarizing device to make light transmission more uniform
04/23/1991US5009471 Improved kaleidoscope structure
04/21/1991CA2028050A1 Production of grey scale images using pixellated exposure device
04/18/1991WO1991005277A1 An optical correlator system
04/18/1991WO1991004829A1 Device for providing a beam of laser radiation having a homogeneous energy distribution
04/18/1991DE3933988A1 Diapositive slide viewer for graphic advertising - has shutter arrangement allowing at least part of illuminated surface to be masked or dimmed
04/17/1991EP0422957A2 Multiple beam optical modulation system
04/17/1991EP0422661A2 Polarization forming optical device and polarization beam splitter
04/17/1991EP0422583A2 Combiner for head-up display and glass with durable reflective coating
04/17/1991EP0422582A1 Process for manufacturing glass with functional coating
04/17/1991EP0422552A1 Method for recording and visual reproduction of a 3-D scene
04/17/1991EP0422371A1 Optical device for coupling the radiation of a semiconductor laser into an optical fiber without feedback
04/17/1991EP0422169A1 Optical system for imaging the light from light sources.
04/17/1991EP0422151A1 Device for selectively influencing the colour and direction of a white-light laser beam
04/17/1991EP0259399B1 Device for reflecting a laser beam in a slit lamp unit
04/17/1991CA2027348A1 Display panel for a vehicle windshield
04/16/1991US5008527 Optical system employing a transmitting solid corner cube
04/16/1991US5007719 Varifocal imaging optical system having moire eliminating function
04/16/1991US5007713 Beam converting apparatus with a parallel light beam input and output from one prism plane
04/16/1991US5007711 Compact arrangement for head-up display components
04/10/1991EP0421886A1 Display system
04/10/1991EP0421745A2 Apparatus for cleaning an optical element for use with a radiation beam.
04/10/1991EP0421654A1 Polarization independent optical isolator
04/10/1991EP0421628A2 Projection type liquid crystal display device
04/10/1991EP0421420A2 Optical fiber coupler with linear input
04/10/1991EP0421352A2 Optical attenuator
04/09/1991US5005974 Projecting tessellator