Patents
Sitemap › G02 - Optics › G02B - Optical elements, systems, or apparatus › G02B 5 - Optical elements other than lenses
Patents for G02B 5 - Optical elements other than lenses (93,064)
10/1991
10/22/1991US5059561 Lenses for sunglasses partially struck to produce no coloring or only light coloring due to the chromogen chalacogenide; pho totropic colorant
10/22/1991US5059500 Process for forming a color filter
10/22/1991US5059356 Polarizing film
10/22/1991US5058992 Method for producing a display with a diffraction grating pattern and a display produced by the method
10/22/1991US5058281 Control system for ruling blazed, aberration corrected diffraction gratings
10/18/1991WO1991016644A1 Photochromic polymer membrane
10/18/1991CA2080899A1 Photochromic polymer membrane
10/17/1991WO1991015540A2 Unsaturated polyester resin compositions
10/17/1991DE4111073A1 Vehicle rear view mirror
10/17/1991DE4011844A1 Filling and emptying hollow spaces in bodies - involves the variation of permeability to heat and other energy and radiation types
10/17/1991CA2033440A1 Concave light reflectors
10/16/1991EP0452027A2 Correction of defects in colour filters
10/16/1991EP0451681A2 Optical apparatus
10/16/1991EP0451618A1 Method for producing multilayer optical interference coatings
10/16/1991EP0451382A1 Striated light diffuser and method of forming the same
10/16/1991EP0419518A4 X-ray lens and collimator
10/16/1991EP0264404B1 Device for automatic focussing of a reflected light microscope
10/16/1991CN1014360B Display device
10/15/1991US5057691 Dilution material, filter and accessory for measuring infrared spectra
10/15/1991US5056908 Optic zone phase channels
10/15/1991US5056892 Totally internally reflecting thin, flexible film
10/15/1991US5056882 Laser beam deflecting device including a surface with a groove which receives a laser beam without reflecting the beam to a scanned portion
10/15/1991CA1290601C Method for generating a lattice structure with a phase shift on the surface of a substrate
10/09/1991EP0451039A1 Intermediate lens for rear lamps and method of fabrication
10/09/1991EP0451034A1 Device for image projection
10/09/1991EP0450840A2 Process for forming a colour filter
10/09/1991EP0450643A2 Optical beam scanner
10/09/1991EP0450149A1 Fiber optic diffusers and method for manufacture of the same
10/09/1991EP0450025A1 Temperature compensation of liquid-crystal parameters.
10/09/1991EP0449893A1 Diffraction grating.
10/08/1991US5056099 Rugate filter on diode laser for temperature stabilized emission wavelength
10/08/1991US5055922 Color tv projection lens system
10/08/1991US5055739 Memory-equipped monochrome display of the photoconductor-electroluminescent type
10/08/1991US5055347 Retroreflective sheeting adapted to be bonded to vulcanizable or curable substrate
10/08/1991US5054905 Progressive intensity phase bifocal
10/08/1991US5054902 Light control with color enhancement
10/08/1991US5054888 Methods of making composite optical devices employing polymer liquid crystal
10/08/1991US5054884 Beam splitter including a diffraction grating and one of step shaped, inclined, or curved transparent surface
10/07/1991WO1991015787A1 A method of forming a refractive index grating in an optical waveguide
10/06/1991CA2039817A1 Insaturated polyester resin compositions suitable for the making of lamp reflectors
10/03/1991WO1991014973A1 Mirrors
10/02/1991EP0449325A2 Optical low-pass filter
10/02/1991EP0449164A2 Method for forming a computer generated hologram
10/02/1991EP0448869A1 Optical device including a grating structure
10/02/1991EP0448708A1 A beam splitter for color imaging apparatus.
10/02/1991EP0448582A1 Light trap free from backscattering
10/02/1991CN1055015A Pcvd process for producing approximately dome-shaped substrate provided with dielectric and/or metallic coating system on inside and/or outside face
10/02/1991CN1054963A Reflector and reflection road-sign contg. transparent non-vitreous zirconia microspheres
10/01/1991US5053755 Automotive head-up display with high brightness in daytime and high contrast in nighttime
10/01/1991US5053298 Improves optical transmittance; reduction of dispersion phenomena due to diffraction
10/01/1991US5052791 Variable magnification viewfinder optical system with variable magnification based on polarization
10/01/1991US5052780 Dichroic beam splitter
10/01/1991US5052772 Fiber type light wave-length converting apparatus
10/01/1991US5052766 Halographic grating and optical device incorporating the same
10/01/1991CA1289700C Polarizing film
09/1991
09/25/1991EP0448522A2 A glass windshield for motor vehicles with combined capabilities of sun radiation screen and image combiner
09/25/1991EP0448139A1 Device comprising a color filter
09/25/1991EP0448125A2 Light interference film and lamp
09/25/1991EP0447644A1 Beam splitter/combiner with path length compensator
09/25/1991EP0281589B1 Mirror assemblies
09/25/1991CN2085525U Hologram grating colour glass die-casting
09/24/1991US5051309 Dichroic substance on polymer film and a polycarbonate sheet
09/24/1991US5051286 Acetylene-vinyl alcohol copolymer for films
09/24/1991US5050978 Aging resistance of copper reflective layer on glass also protective coatings
09/24/1991US5050976 Hub and petal apparatus for mosaic mirrors and millimeter wave antennas
09/24/1991US5050966 Optical combiner collimating apparatus
09/24/1991CA1289651C Liquid crystal light valve and associated bonding structure
09/24/1991CA1289395C High energy laser beam replica producing method and system
09/19/1991WO1991014189A1 Multifocal bi-refringent lens with matched bi-refringence
09/19/1991WO1991013942A1 Orange filter dye and filter element for color filter arrays
09/18/1991EP0446608A2 Variable pel density print head for electrophotographic printers
09/18/1991EP0446596A2 PCVD process for the production of approximately dome-shaped substrates provided on the inside and/or outside with dielectric and/or metallic coating systems
09/18/1991CN2085066U Retractable presbyopic glasses
09/18/1991CN1054669A Fiber optic diffusers and method for manufacture of same
09/17/1991US5050153 Semiconductor laser optical head assembly
09/17/1991US5049427 Multilayer; polarized core, adhesive, transparent overcoating
09/17/1991US5048925 Quasi volume diffracting structures
09/17/1991CA1289119C Infrared beam projector
09/11/1991EP0446038A2 Non-moire shielded window
09/11/1991EP0445513A1 Improved color TV projection lens system
09/11/1991EP0445488A1 Semiconductor laser diode arrangement
09/11/1991EP0445268A1 Optical filters
09/11/1991CN1013901B Primary reflector for reflector telescope
09/11/1991CN1013900B Retroreflective sheeting with backing film
09/10/1991US5047845 Charge-transfer-device planar array for detecting coherent-light phase
09/10/1991US5047650 Monochrometer
09/10/1991US5047272 Transparent laminates
09/10/1991US5047028 Method for inducing thrombosis in blood vessels
09/10/1991US5046837 Illumination system
09/10/1991US5046827 Optical reconstruction filter for color mosaic displays
09/10/1991US5046818 Signal reflector and optical system
09/10/1991US5046793 Chromatically corrected directional diffusing screen
09/10/1991CA1288767C Photochromic compound and articles containing the same
09/07/1991CA2036868A1 Non-moire shielded window
09/05/1991DE4006618A1 Generating laser beam for measuring and analysis - involves separating measurement beam from main beam by reflection in grooves in flat metal mirror
09/05/1991DE4006407A1 Optische vorrichtung Optical device
09/04/1991EP0444958A1 Bar code reading devices
09/04/1991EP0444703A2 Polarizers, a method for producing the same and liquid crystal display devices
09/04/1991EP0444631A2 Method of forming a color filter for a liquid crystal color display apparatus
09/04/1991EP0444526A2 Optical device
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