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5251071 |
Color filter
The color filter according to the present invention contains black matrix formed by polyimide, which contains light shielding pigments such as carbon black, triiron tetraoxide, etc. instead of the...
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5246803 |
Patterned dichroic filters for solid state electronic image sensors
Forming a color filter by vacuum depositing alternating layers of SiO 2 and TiO 2 at a temperature of less than 150° C.
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5245474 |
Electromagnetic filter device
The optical filter device comprises a stack of thin layers exhibiting a sequences h and g which defines a fractal organization. This device makes it possible to obtain spectrum lines which are...
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5243681 |
Aperture disk attenuator for laser diode connector
A connector assembly (10) for connecting a laser diode (14) and an optical fiber (12). The assembly (10) includes an optical connector subassembly (26) having an input for collecting optical energy...
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5242889 |
Blue dyes for color filter array element
A thermally-transferred color filter array element comprising a support having thereon a polymeric dye image-receiving layer containing a thermally-transferred image comprising a repeating pattern...
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5243464 |
Damage tolerant light absorbing material
A light absorbing article comprised of a composite of carbon-bonded carbon fibers, prepared by: blending carbon fibers with a carbonizable organic powder to form a mixture; dispersing the mixture...
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5229232 |
Method of making thermally-transferred color filter arrays with incorporated black matrix using electronic light flash
A thermal printing system is disclosed in which various patterned masks are used in conjunction with an electronic light flash and other related hardware to thermally transfer dyes to a receiver in...
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5220464 |
Color filter assembly driver for scanners
A color filter assembly driver using a microprocessor to control a motor drive in driving a color filter assembly through a step motor and to compare feedback signal of the color filter assembly...
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5218473 |
Leakage-corrected linear variable filter
A leak-corrected linearly variable filter comprises optical filter coatings formed on an assembly of one or more optically transmissive substrates. Leaks due to the longitudinal precession of...
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5218485 |
Expanded dynamic range image digitizing apparatus
The expanded-range image digitizing apparatus utilizes a light-attenuating layer in concert with solid-state light detectors of limited dynamic range to provide a means for digitizing...
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5215957 |
Benz-cd-indole merocyanine blue dyes for color filter array element
A thermally-transferred color filter array element comprising a support having thereon a polymeric dye image-receiving layer containing a thermally-transferred image comprising a repeating pattern...
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5214725 |
Optical coupler/splitter with a filter
An optical coupler/splitter having an optical waveguide on the side of light incidence, two optical waveguides on the branched side, branched from the former optical waveguide and each having...
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5210657 |
Optical attenuator apparatus without steep level variation
A first optical attenuation filter is arranged in a predetermined optical path and attenuates light to be attenuated with a first variable attenuation amount. A second optical attenuation filter is...
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H001182 |
Dielectric optical switch
A novel optical filter structure for selectively blocking radiation of predetermined wavelength is described which comprises a plurality of alternate first and second layers deposited on a...
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5204773 |
Ultraviolet light filter and filter system
An ultraviolet light filter is provided by implanting an ultraviolet light absorbing chemical species into an ultraviolet light transmissive substrate. Two such filters having gradient...
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5201977 |
Process for producing structures from synthetic single-crystal pieces
A process for producing structures from synthetic single-crystal pieces having identical major component and crystal systems by chemically bonding to produce integration and simulation. The process...
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5185074 |
Process for producing color filter
A process for producing color filters, which comprises dispersing or dissolving pigments and the like having spectral properties in three primary colors, and a structure reinforcing resin in an...
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5182788 |
Optical bandpass filter having a variable passband wavelength
An optical bandpass filter comprises a waveguide region for guiding an optical beam from an input end to an output end, a clad structure provided above and below the waveguide region for confining...
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5173811 |
Nonlinear optical shield
An optical shield which is transparent to ambient light but which blocks high intensity light such as that from a laser, with a response speed on the order of several picoseconds or less, to...
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5172278 |
Buckminsterfullerenes for optical limiters
Optically sensitive materials (18) such as sensors or the human eye are passively protected against overexposure to high intensity light (20) in the visible region using a reverse saturable...
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5170501 |
Welding mask to prevent orange flare and method of welding
An improved welding mask glass to prevent orange flare is provided by utilizing as the glass in the lens a narrow bandpass green glass sold under Model S-8008N from Schott Glass Technologies, Inc.,...
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5168094 |
Mixture of yellow and cyan dyes to form green hue for color filter array element
A thermally-transferred color filter array element comprising a support having thereon a polymeric dye image-receiving layer containing a thermally-transferred image comprising a repeating pattern...
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5166124 |
Mixture of yellow and magenta dyes to form a red hue for color filter array element
A thermally-transferred color filter array element comprising a support having thereon a polymeric dye image-receiving layer containing a thermally-transferred image comprising a repeating pattern...
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5166126 |
Color filter array element with protective overcoat layer and method of forming same
A color filter array element, preferably for use in a color electro-optical display device such as a color liquid crystal display device, comprises a support having thereon a thermally transferred...
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5161068 |
Superconducting searching filter
An optical reflection band filter structure for selectively blocking radiation within a preselected range of wavelengths is described which comprises a plurality of multipole elements of...
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5157426 |
False color viewing device
A viewing device for observing objects in near-infrared false-color comprising a pair of goggles with one or more filters in the apertures, and pads that engage the face for blocking stray light...
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5155634 |
Superconducting reflection filter
An optical reflection band filter structure for selectively blocking radiation within a preselected range of wavelengths is described which comprises a plurality of multipole elements of...
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5153481 |
Display device with display screen and optical film on the display screen
A display device comprising a display screen, and an optical film formed on the display screen and having a porous lower layer mainly consisting of TiO 2 and having a porosity of 30% to 75% and an...
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5151336 |
Masking material
A masking material with a semiopaque layer containing a coloring agent, characterized in that the semiopaque layer permits the transmission of the light at a wavelength corresponding to the...
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5149183 |
Color enhancing lens
A color enhancing sun lens comprising a lens having an integrated visible light transmission, with respect to CIE illuminant C, of less than 40% T, wherein the transmission over a 10 nm wide band...
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5144498 |
Variable wavelength light filter and sensor system
Light filter apparatus for receiving a light beam having wavelengths in a selected band and for dispersing the light into a plurality of rays, with each ray having a different wavelength for which...
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5144499 |
Optical shaped article for CRT and having particular spectral transmittance characteristics
Provided are optical shaped articles for CRT, such as projection lens and filter used for the CRT's of projection TV's, which comprise a transparent synthetic resin containing a red dyestuff or a...
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5142418 |
Superconducting tunable inorganic filter
An optical filter structure for blocking radiation at or shorter than a preselected design wavelength is described which comprises a substantially transparent dielectric host material having...
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5139611 |
Colloidal spheres in suspension
The invention is a method of producing oriented, essentially perfect colloidal crystals by subjecting a suspension of colloidal spheres, which is contained betwen two narrowly spaced substantially...
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5131736 |
Solid colloidal optical wavelength filter
A solid colloidal optical wavelength filter includes a suspension of spheal particles dispersed in a coagulable medium such as a setting plastic. The filter is formed by suspending spherical...
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5122388 |
Method of producing an X-ray mirror by spin coating an intermediate layer onto a substrate and using cluster ion beam deposition to form a thin film in the spin coated layer
An X-ray mirror having its layer structure in the sequence of: a substrate having the surface roughness (R max ) of 1,000 Å or below; an intermediate layer of high molecular weight material...
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5121030 |
Absorption filters for chlor display devices
A contrast enhancement filter for color displays, particularly adapted for color CRT tubes of the shadow mask type. A transparent plate has applied thereon absorptive areas, each area dyed with a...
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5116113 |
Laser eye protective devices
Laser protection is provided by utilizing certain organic polymers with carboxylic or sulfonic acid groups which exchange their protons with cupric or ferrous metal ions to form cupric or ferrous...
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5111343 |
Gradient filter
A gradient filter is disclosed which is adapted to compensate for the variation of beam divergence of diode lasers. The gradient filter comprises a substrate having a transmission density...
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5101411 |
Organic non-linear optical device
In a semiconductor laser wavelength conversion device comprising a semiconductor laser beam souce, a lens, a single crystal of a non-linear optical material and a filter, the non-linear optical...
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5091244 |
Electrically-conductive, light-attenuating antireflection coating
A coating for an article comprising layers of nitrides of certain transition metals to provide an electrically-conductive, light-attenuating, antireflection surface.
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5081221 |
Chiral smectic C liquid crystalline polyester and optical filter
Provided is a novel chiral smectic C liquid crystalline polyester consisting essentially of structural units (A), (B) and (C) of the following formulae: ##STR1## which is optically active and...
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5078462 |
Process and screen for disturbing the transmission of electromagnetic radiation particularly infra-red radiation
Process for disturbing the transmission of electromagnetic radiation emitted by a source within a predetermined wavelength band, for reception by a receiver designed to detect signals situated in...
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5077155 |
Method of making grid lines for thermally-transferred color filter array element
A process of making opaque grid lines for a color filter array element comprising a) exposing a photographic element comprising an unhardened gelatin-silver halide emulsion coated on a support...
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5075797 |
Cooled mosaic window
A process and resulting structure for a window typically used on weapons with infrared sensors. The window has a plurality of transparent blocks connected in a mosaic pattern. Between the blocks...
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5073534 |
Color filter array element with polyester receiving layer
A thermally-transferred color filter array element comprising a transparent support having thereon a thermally-transferred image comprising a repeating pattern in a binder of colorants composed of...
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5071227 |
Optical filter in the form of a rectangular parallelepiped having a plurality of nonintersecting bevels
An optical filter is formed as a rectangular parallelepiped having a plurality of beveled edges formed thereon, preferably three non-intersecting beveled edges formed at an angle of 45 degrees. The...
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5069530 |
Solid state image pick-up apparatus
An apparatus for picking-up an optical image of object including a lens system for forming the optical image of object, an optical filter for suppressing moire fringes, a color separation system...
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5049633 |
Ethylene/polycyclic monomer copolymer, process for preparation thereof, and optical article
A random copolymer comprised of recurring units derived from ethylene, recurring units derived from a polycyclic monomer of the formula (I): ##STR1## wherein l, m and n are 0 or 1, p is an integer...
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5044736 |
Configurable optical filter or display
A configurable display comprising a distributed Bragg reflector having a plurality of flexible, compressible polymer layers is provided. The polymer layers are transparent and comprise alternating...
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