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)
12/1991
12/17/1991US5073005 Retro-reflective photogrammetric target
12/12/1991WO1991019217A1 Reversing mirror housing for laser material-machining systems and beam-separating filter
12/12/1991WO1991019213A1 Gradient filter
12/12/1991WO1991019212A1 Color filter overcoating material for liquid crystal display, color filter material, formation of overcoat, and formation of color filter
12/11/1991EP0460913A2 A lighting unit having a lamp and a reflector
12/10/1991US5072313 Constant-deviation reflector
12/10/1991US5072147 Low sag tungsten filament having an elongated lead interlocking grain structure and its use in lamps
12/10/1991US5072109 Photocell array with multi-spectral filter
12/10/1991US5071906 Uniaxially stretched film of polyvinyl alcohol having high degree of polymerization with dichroic dye and/or iodine; improved heat and moisture resistance
12/10/1991US5071596 Fabrication of lightweight ceramic mirrors by means of a chemical vapor deposition process
12/10/1991US5071333 Apparatus for forming a powder metal mirror
12/10/1991US5071234 Orietated polyvinyl alcohol having iodine adsorbed thereon; containing zirconium and mamganese compound
12/10/1991US5071230 Liquid crystal display device with selective transmitting means and an impedance changing layer
12/10/1991US5071227 Optical filter in the form of a rectangular parallelepiped having a plurality of nonintersecting bevels
12/10/1991US5071226 Airborne optoelectronic system for identification and localization with compensated and facetted port
12/10/1991US5071210 Sandwich reflection hologram
12/10/1991US5071209 Variable acuity non-linear projection system
12/10/1991US5071208 Two beam method for forming holographic optical elements free of secondary fringes
12/10/1991US5071207 Broadband diffractive lens or imaging element
12/10/1991US5071206 Color-corrected heat-reflecting composite films and glazing products containing the same
12/10/1991CA1292903C Wide-angle-reflective cube-corner retroreflective sheeting
12/04/1991EP0459833A2 X-ray microscope
12/04/1991EP0459712A2 Optical apparatus for fingerprint recognition system
12/04/1991EP0459229A2 Polyarylenesulphide for making reflectors
12/04/1991EP0458788A1 Optical lenses and related devices
12/04/1991CN2089745U Combined mirror
12/04/1991CN1015006B Low radiation film produced at high temp.
12/03/1991US5069964 Flexible, substrate-insular retroreflective sheeting
12/03/1991US5069540 Parabolic solar collector body and method
11/1991
11/28/1991WO1991018315A1 Light source for image projector
11/28/1991DE4016362A1 Optical grid, esp. for three=dimensional object measurement - contains pattern with binary optical density distribution projected via defocussed lens
11/27/1991EP0458687A2 LCD projector with an optical system
11/27/1991EP0458635A2 Polymeric film optical phase retarder and process for its production
11/27/1991EP0458508A2 A tuned fresnel lens for multifocal intraocular applications including small incision surgeries
11/27/1991EP0458492A1 Beam splitter apparatus with adjustable image focus and registration
11/27/1991EP0458463A1 Variable acuity non-linear projection optics
11/26/1991US5068751 Three element grating objective and grating-beam shaper, and optical scanning device
11/26/1991US5068679 Imaging system for macrophotography
11/26/1991US5068568 Cathode ray tube having multilayer interference filter
11/26/1991US5067799 Beam combining/splitter cube prism for color polarization
11/26/1991CA2043192A1 Phase retarder and process for producing the same
11/26/1991CA1292379C Color wheel assembly for lighting equipment
11/21/1991EP0457607A2 Optical rotator
11/21/1991EP0457605A2 Polarization converting device and polarized-light illuminating system using the device and image display unit using the device
11/21/1991EP0457553A2 Multifocal multizone diffractive ophthalmic lenses
11/21/1991EP0457544A1 Printing of reflective sheeting
11/21/1991EP0457281A2 Image reading apparatus
11/21/1991EP0452323A4 Support and maneuvering apparatus for solar energy receiver
11/20/1991CN1014786B Transparent non-vitreous zirconia microspheres and process for preparing thereof
11/19/1991US5066512 Electrostatic deposition of lcd color filters
11/19/1991US5066133 Extended length embedded Bragg grating manufacturing method and arrangement
11/19/1991US5066099 Rear projection screen and method of producing the same
11/19/1991US5066098 Cellular encapsulated-lens high whiteness retroreflective sheeting with flexible cover sheet
11/19/1991US5066082 Sunbathing filter with incomplete UV-B absorption
11/14/1991WO1991015540A3 Unsaturated polyester resin compositions
11/13/1991EP0456488A1 Front surface mirrors
11/13/1991EP0456487A2 Interference filters
11/13/1991EP0456054A2 Low sag tungsten filaments and their use in lamps
11/12/1991US5064951 Naphthalocyanine compound and production thereof
11/12/1991US5064272 Encapsulated-lens retroreflective sheeting and method of making
11/12/1991US5064262 Postobjective optical deflector
11/12/1991US5064260 Optical scanning unit operating under changing temperature and moisture conditions
11/11/1991CA2041053A1 Monolithic front surface mirror
11/11/1991CA2019968A1 Aspheric elliptical paraboloid safety mirror
11/08/1991CA2040272A1 Variable acuity non-linear projection optics
11/06/1991EP0455450A2 Beam splitter/combiner apparatus
11/06/1991EP0454999A2 Improved double-pass tunable optical filter
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
11/05/1991US5062689 Electrostatically actuatable light modulating device
11/05/1991US5062684 Optical fiber filter
11/05/1991CA1291658C Bulk diffuser for a projection screen
10/1991
10/31/1991WO1991016652A1 High speed shutter mechanism for a light beam
10/31/1991WO1991016643A1 Lateral transfer retroreflector and roof mirror for same
10/30/1991EP0454517A1 Compositions of unsaturated polyesters
10/30/1991EP0454503A2 Optical scanners
10/30/1991EP0454409A1 Wavelength selective phase grating optical low-pass filter
10/30/1991EP0454349A2 Selective emissivity coatings for interior temperature reduction of an enclosure
10/30/1991EP0274491B1 Opto-electronic scale-reading apparatus
10/29/1991USRE33729 Multilayer optical filter for producing colored reflected light and neutral transmission
10/29/1991US5061568 Used in fadometer and weatherometer
10/29/1991US5061054 Keplerian finder optical system
10/29/1991US5061050 Polarizer
10/29/1991US5061046 Gradient index liquid crystal devices and method of fabrication thereof
10/29/1991US5061042 Phase retarder and liquid crystal display using the same
10/29/1991US5061032 Optical waveguide embedded light redirecting and focusing bragg grating arrangement
10/29/1991US5061027 Solder-bump attached optical interconnect structure utilizing holographic elements and method of making same
10/29/1991US5060981 Transparent overlay for protecting a document from tampering
10/29/1991CA1291465C Internally illuminated retroreflective sign
10/26/1991WO1991016197A1 Lead-free mirrors and environmentally safe manufacture thereof
10/24/1991CA2039109A1 Selective emissivity coatings for interior temperature reduction of an enclosure
10/23/1991EP0453144A1 Polygon scanner with predictable facet deformation characteristics
10/23/1991EP0453140A2 Rigid gas permeable lenses
10/23/1991EP0453092A1 Uniform illumination of large, thin surfaces particularly suited for automotive applications
10/23/1991EP0452815A1 Trapped beam hologram center high mounted stoplight
10/23/1991EP0452793A2 Optical head having a hologram associated with the objective lens
10/23/1991EP0452612A1 Concave light reflector
10/23/1991EP0452438A1 Light control devices with liquid crystals
10/23/1991EP0452323A1 Support and maneuvering apparatus for solar energy receiver
10/23/1991CN1014470B Reflective circle changing grating with sawteeth groove
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