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Patent # Description
US-5,790,322 Optical system and apparatus for magnifying a display panel
An optical system for magnifying a display panel includes a magnifying lens disposed in front of a display panel. The magnifying lens is constructed with two...
US-5,790,321 Imaging optical system
An imaging optical system comprising at least one diffractive optical element having a positive refractive power, at least one refractive optical element having...
US-5,790,320 Correction lens system of an exposure apparatus for a cathode-ray tube and a method for manufacturing the same
Disclosed is a correction lens system of an exposure apparatus for a cathode-ray tube which comprises a lens formed with a plurality of block cells joined...
US-5,790,319 Lens barrel
A lens barrel includes a fixed tube, a moving tube arranged to move in the direction of an optical axis over the outer circumference of the fixed tube and to...
US-5,790,318 Two-group zoom lens
Even when the refractive index of the plastic material forming a plastic lens fluctuates due to temperature change and the like, the change in the paraxial back...
US-5,790,317 Zoom lens system
In a zoom lens system in which the movement locus of a focusing lens unit is defined by synthesizing a focus cam and a zoom compensation cam, when the...
US-5,790,316 Zoom lens
A zoom lens is disclosed comprising, from front to rear, a first lens unit of positive refractive power, a second lens unit of negative refractive power, a flare...
US-5,790,315 Synthetic silica glass formed article for optical use
A high purity ball-shaped optical article formed of silica glass useful in optical systems employed in photolithography applications. The optical article is...
US-5,790,314 Grin lensed optical device
An optical device is disclosed wherein a first GRIN lens and a second GRIN lens having their optical axes offset. The first GRIN lens has one or more input ports...
US-5,790,313 Eyepiece system
An eyepiece system includes a single positive lens and a cemented lens assembly having a positive biconvex lens and a negative lens cemented thereto, in this...
US-5,790,312 Optical system
The invention relates to an optical system which is compact and light in weight with well corrected aberrations, and is suitable for use on an image display...
US-5,790,311 Ocular optics system having at least four reflections occurring between curved surfaces
The invention relates to an ocular optics system which forms no intermediate image, is reduced in terms of size and weight with well-corrected aberrations, and...
US-5,790,310 Lenslet module for coupling two-dimensional laser array systems
A lenslet module configured to receive light from a two dimensional laser array having laser sources disposed in a plurality of rows and columns, comprises a...
US-5,790,309 Zoom lens system capable of shifting an image and compensating back focus variation
A zoom lens system in which the back focus variations that accompany the movement of a shift lens unit can be compensated. During image shifting, the shift lens...
US-5,790,308 Computerized microscope specimen encoder
A computerized slide encoder for use with microscope analysis and pathological studies is provided. The slide encoder is attached to the movable microscope...
US-5,790,307 Stereotactic adapter and procedure for its use
A stereotactic adapter on which a surgical therapeutic and/or diagnostic instrument is reproducibly mounted and attached to a surgical microscope that can be...
US-5,790,306 Microscope beamsplitter
A zonal beamsplitter for use with surgical microscopes including a pair of right triangular prisms positioned adjacent to each other in opposing relation along...
US-5,790,305 Projection system comprising a free form reflector and a free form lens
The disclosure relates to an LCD projector illumination system that optimizes the illumination through a liquid crystal screen as well as through the aperture of...
US-5,790,304 Self-healing UV-barrier coating for flexible polymer substrate
A protective composite thin film coating structure is disclosed which provides ultraviolet (UV)-protection to polymer components used in low earth orbit (LEO)...
US-5,790,303 System for amplifying an optical pulse using a diode-pumped, Q-switched, intracavity-doubled laser to pump an...
An efficient, powerful and reliable system for amplifying optical pulses. Seed-pulses are generated by a seed-pulse source and are transmitted to an optical...
US-5,790,302 Semiconductor diode laser amplifier having antireflection layers and method of manufacturing
A semiconductor diode laser amplifier (100) includes an active layer (4) which is situated between two cladding layers (1A, (3,6)) and in which a strip-shaped...
US-5,790,301 Optical filter module and optical amplification using it
In an optical filter module and an optical amplification apparatus for a wavelength division multiplex (WDM light), the respective wavelength intervals of the...
US-5,790,300 Multi-channel fiber amplification system and associated method
The multi-channel fiber amplification system and associated method includes a fiber amplifier which solves problems with power poaching by simultaneously...
US-5,790,299 Optical isolator employing a cadmium-zinc-tellurium composition
A Faraday rotator for rotating a plane of polarization of polarized light, said Faraday rotator having an optical element comprising a rod which is comprised of...
US-5,790,298 Method of forming optically transparent seal and seal formed by said method
A method of forming an optically transparent seal involves the steps of providing an uncured resinous material, adding a spacing media to the resinous material...
US-5,790,297 Optical row displacement for a fault tolerant projective display
A projective display system includes a light source, a display surface, and a two dimensional light modulator array in an optical path between the light source...
US-5,790,296 Method and apparatus for controlling propagation of electrical charges using multiple coherent light beams
A method and apparatus for generating and controlling the propagation of electrons in a semiconductor material using a plurality of beams of coherent light is...
US-5,790,295 Gated integrator preamplifier for infrared data networks
A method and apparatus for receiving infrared signals are provided. The circuit includes preamplifier that includes an integrator that charges based on light...
US-5,790,294 Line monitoring method and line monitoring apparatus
A line monitoring apparatus which features a simple configuration is capable of quickly detecting a position where a failure has occurred. A main track signal on...
US-5,790,293 Systems for monitoring optical path characteristics in an optical communication system
An optical distribution network connects a downstream central office terminal to a number of upstream optical network units which service respective subscribers....
US-5,790,292 Optical fiber transmission line
An optical fiber transmission line capable of suppressing the generation efficiency of four wave mixing in transmitting wavelength multiplex signal light. The...
US-5,790,291 Beam steering and tracking of laser communication links by dual-quadrant tracker and photodiode assembly
At the reception site of a laser transmission system the received laser light beam is converted into a focusing cone of light. The cone of light is directed to...
US-5,790,290 Optical distribution system having time switch
Optical paths to propagate a plurality of optical information signals intersect optical paths to transmit light signals to a plurality of subscribers. Light...
US-5,790,289 WDM optical communication method with pre-emphasis technique and an apparatus therefor
A wavelength division multiplexed (WDM) optical communication method and apparatus uses a pre-emphasis technique to adjust the attenuation or amplification of a...
US-5,790,288 Transport network with high transmission capacity for telecommunications
A transport network with a transmission capacity for telecommunications in which nodes of the network are transparently connected with one another by optical...
US-5,790,287 Optical communication system with improved maintenance capabilities
A communication system where a central module repetitively sends interrogation optical pulses to endpoint modules in order to determine operational state of the...
US-5,790,286 Technique for embodying duplication of optical paths in optical data transmission
An optical data transmitting technique duplicates optical paths and includes: a divider for dividing electrical data transmitted to an optical data transmitting...
US-5,790,285 Lightwave communication monitoring system
A lightwave communication monitoring system has a monitoring member to which are applied signals extracted from one or more fibers in a transmission system. The...
US-5,790,284 Display apparatus and displaying method for image display producing stereoscopic effect
This specification discloses a displaying apparatus having a display emitting light, and an optical element formed by two holograms each having optical power and...
US-5,790,283 Optimization of overlapping holographic lens array for creating via matrix
A mask for generating a high density regular matrix of working images for generating a corresponding high density regular matrix of vias in a substrate, the...
US-5,790,282 Apparatus and method for adjusting color image by changing saturation without changing brightness
An apparatus and method for color image adjustment which ensure proper saturation adjustment by a simple process. Color image data for three primary colors are...
US-5,790,281 Method of correcting the measured reflectance of an image acquired by an image acquisition device for the...
This invention discloses a method of correcting the measurement of the amount of light reflected by a document that is being processed by a digital image...
US-5,790,280 Digital image recording method and apparatus therefor and digital image processing apparatus
A digital image recording method is to make high quality positive reproduction images from any types of originals by processing image data of each original based...
US-5,790,279 Combined scanner, printer and facsimile apparatus
A scanner and printer share a same paper feed mechanism. The paper sheets either pass through the scanner first and then to the printer, or a paper path...
US-5,790,278 Scanner with drawer load and exit
A scanner includes a drawer, extendible outside the scanner, for loading the original into the scanner; and a drawer supporting arrangement for supporting the...
US-5,790,277 Duplex film scanning
A method, system and process for reflecting a light on both sides of a film and developing the film to produce a digital image by scanning an image on the film...
US-5,790,276 Apparatus and method for image reformatting
An apparatus for image presentation and reformatting comprising an image projector for transmitting an image from an image source, a sizing element for...
US-5,790,275 Scanning optical system
A scanning optical system having both a reading optical system and an image forming optical system is capable of using one or more components for both systems.
US-5,790,274 Imaging and recording apparatus
An imaging and recording apparatus for electrically recording an optical image of a subject as an image information signal which facilitates memory access from...
US-5,790,273 Method and apparatus for producing a grey scale stencil
Method and apparatus for producing a grey-shade stencil in which a pattern which is bounded by edges is transferred, with a grey-shade grid superimposed on it,...
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