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Patent # Description
US-6,798,576 Lens sheet and method for producing it
The invention relates to a lens sheet applicable to a screen for a pixel type projection TV characterized in high quality and definition and a simple producing...
US-6,798,575 Scanning type display optical system, scanning image display apparatus, and image display system
This application discloses a scanning type display optical system that has a small number of parts and is easily miniaturized. A scanning type display optical...
US-6,798,574 Prism diffuser for diffracting and spreading light
The present invention relates to a prism diffuser for diffracting and spreading light, and in particular to a prism diffuser for diffracting and spreading light...
US-6,798,573 Device for generating a 3-D image from two 2-D pictures
A device for generating a 3-D image includes a tubular body with liquid filled therein and two protrusion portions extrude from one side of the body. Two...
US-6,798,572 Transmission screen sheet and transmission screen comprising the same
A transmission screen sheet which is given a large number of lens-like forms on the surface like ridges and has a thickness of 0.1 to 2.0 mm, wherein (i) the...
US-6,798,571 System for microscopic digital montage imaging using a pulse light illumination system
An illumination system for microscopic digital montage imaging based on a pulsed light illumination source triggered by the position of a specimen with respect...
US-6,798,570 Apparatus and methods for creating real-time 3-D images and constructing 3-D models of an object imaged in an...
A light microscope illuminator with a light source off the conjugate objective aperture allowing light beam shaping and modifying devices to be located at the...
US-6,798,569 Microscope and method for operating a microscope
The present invention concerns a microscope, in particular a confocal or double confocal scanning microscope, as well as a method for operating a microscope, at...
US-6,798,568 Polarization independent semiconductor optical amplifier
Semiconductor optical amplifier with polarization independent gain. A polarization adjusting layer is formed on a semiconductor optical amplifier. The...
US-6,798,567 Method and apparatus for controlling power transients in an optical communication system
A method and apparatus for controlling transients in an optical signal propagating along an optical fiber path interconnecting a plurality of network elements...
US-6,798,566 Variable optical gain equalizer and variable branching ratio beam splitter
A variable optical gain equalizer in accordance with one embodiment of the present invention comprises a variable branching ratio beam splitter having a variable...
US-6,798,565 Method and arrangement for compensating for cross phase modulation
The cross phase modulation generated by a fiber amplifier is compensated for by converting the amplitude variations of the wavelength-division multiplex signal...
US-6,798,564 Raman amplification method, raman amplifier, and optical transmission system
The present invention relates to a Raman amplification method realizing Raman amplification of WDM signal light in a wider amplification wavelength band with a...
US-6,798,563 Method and device for reducing pump noise transfer in raman amplification
A Raman pump unit for connection to a main optical path includes a signal generator for generating a plurality of at least partially complementary dither...
US-6,798,562 Fast optical wavelength shifter
A process shifts wavelengths of optical pulses. The process includes transmitting an incoming optical pulse through a nonlinear optical material, splitting the...
US-6,798,561 Double substrate reflective spatial light modulator with self-limiting micro-mechanical elements
A spatial light modulator includes an upper optically transmissive substrate held above a lower substrate containing addressing circuitry. One or more...
US-6,798,560 Micromirror systems with open support structures
Micromirror devices, especially for use in digital projection are disclosed. Other applications are contemplated as well. The devices employ a superstructure...
US-6,798,559 Electro-optic spatial modulator for high energy density
The present invention provides an imaging assembly comprising: (a) a modulator crystal comprising a first surface and a second surface substantially opposite to...
US-6,798,558 Optical clock multiplier and method thereof
An optical clock multiplier comprises a phase modulator (12) to shift a phase in pulse duration of an input optical clock pulse by .pi., a polarization mode...
US-6,798,557 Direct optical N-state phase shift keying
A unique optical encoder is employed that utilizes an optical phase modulator, in which an arbitrary phase shift can be realized. The phase modulator is driven...
US-6,798,556 Locally-switched reversible electrodeposition optical modulator
The present invention is a reversible electrodeposition optical modulation device employing a segmented counter electrode that permits localized areas of a...
US-6,798,555 Fully solid electrochromic element
A tapping electrode for a lower electrode film and a tapping electrode for an upper electrode film are provided on one side of an area around a substrate. By...
US-6,798,554 Flexible electrochrome structure and methods for the production thereof
The present invention concerns a flexible electrochrome structure operating in reflection at wavelengths between 0.35 and 20 .mu.m. It comprises a microporous...
US-6,798,553 Optical filter elements and methods of making and using same
Optical filter elements and optical systems comprise optically mismatched etalons and optically mismatched stacked, optically coupled etalons that are directly...
US-6,798,552 Semiconductor light modulator
A band discontinuity reduction layer having a band gap energy larger than that of that of an MQW (multiple quantum well) absorption layer and smaller than that...
US-6,798,551 Gires-Tournois interferometer with faraday rotators for optical signal interleaver
A GTIFR interferometer, for use in an interleaver or in a deinterleaver, wherein the GTIFR interferometer includes a Gires-Toutnois interferometer with a 45...
US-6,798,550 Spatial light modulator
A modulator formed with a solid state electro-optic material having a pixellated structure interconnected to a circuit on a semiconductor substrate. Silicon CMOS...
US-6,798,549 Multi-beam scanning optical system and image forming apparatus using it
Provided are a multi-beam scanning optical system capable of implementing high-quality printing in relatively simple structure and at high speed, and an image...
US-6,798,548 Apparatus for rotating a laser
Disclosed is a rotational laser apparatus capable of setting an obliquity without requiring a high accuracy light receiver or a complex optical system for...
US-6,798,547 Process for holographic multiplexing
A method of recording holograms includes: generating a first signal-beam from a signal-beam source and a first reference beam from a reference-beam source;...
US-6,798,546 Scanning document reader and memory medium storing scanner driver program
A control device for controlling a medium reader having a medium transport roller whose having in a color distinguishable from a color of a medium. The control...
US-6,798,545 Scanner which can input various symbols to control operations
A scanner includes a housing, a control circuit positioned in the housing, the control circuit being used to control the operations of the scanner, a scanning...
US-6,798,544 Image reading method, image reading device and image processing device
The present invention comprises an image reading unit for reading an image recorded on a medium, a gradation histogram generation unit for generating the...
US-6,798,543 Method and apparatus for compression and decompression of halftoned images
A method for compression and decompression of halftoned images using the halftone screen. The method reduces an input binary image into a mean image, uses the...
US-6,798,542 Image encoding apparatus
Input gray-scale bit map information is inputted to an image forming position extracting unit for extracting image forming position information. An input...
US-6,798,541 Systems and methods for generating binary clustered, irrational halftone dots
The result of integrating a halftone dot-shape can be clustered. When the edge of the halftone dot-shape extends across a "vertical" edge of a window, the window...
US-6,798,540 Method and apparatus for underprinting pixels
Methods and apparatus for trapping to prevent a polychromatic printing artifact are described. One method includes the step of selecting a region of a source...
US-6,798,539 Method for moire-free color halftoning using non-orthogonal cluster screens
The invention provides methods for using single-cell non-orthogonal cluster screens to satisfy the moire-free conditions for color halftoning. The invention also...
US-6,798,538 Halftoning at multiple different resolutions
Multi-resolution halftoning to process image data by determining whether the image data corresponds to black image data or color image data, performing a...
US-6,798,537 Digital color halftoning with generalized error diffusion vector green-noise masks
Disclosed are two novel techniques for digital color halftoning with green-noise stochastic dither patterns generated by homogeneously distributing minority...
US-6,798,536 Apparatus for displaying tone curve and apparatus for adjusting tone curve
An image for adjusting a tone curve includes an overall tone curve image including a tone curve of dot gains in a predetermined full scale with respect to all...
US-6,798,535 Printer head and printer apparatus
The present invention provides a printer head having a plurality of print elements for effecting recording on a recording medium on the basis of printer...
US-6,798,534 Image processing device
An image forming apparatus comprising a buffer memory for storing image data, a printer unit for printing based on image data output from the buffer memory, a...
US-6,798,533 Systems and methods for remote viewing of patient images
A digital camera containing patient images is connected to an uploader computer and the patient's name or history is entered into the uploader computer. The...
US-6,798,532 Photograph printing and delivering method, camera to be used in this method and photograph printing and...
A photograph printing and delivering method and system do not require external equipment, such as personal computer or the like and permits delivery of the...
US-6,798,531 Printing and delivery of digital images and text via a central receiving agency
A method of delivering printed images to a recipient, includes the steps of electronically transmitting digital images and image locator information from a...
US-6,798,530 Systems, methods and graphical user interfaces for printing object optimized images using virtual printers
Rather than implementing a printer as a single set of rendering parameters, a printer can be implemented as a "meta-printer" that comprises one or more virtual...
US-6,798,529 In-situ method and apparatus for end point detection in chemical mechanical polishing
A method and apparatus for providing in-situ monitoring of the removal of materials in localized regions on a semiconductor wafer or substrate during chemical...
US-6,798,528 System and method for measuring the dimensions of moving packages
A system and method for measuring the dimensions of moving packages includes a computer system connected to a position tracking system and a slice measurement...
US-6,798,527 Three-dimensional shape-measuring system
An object of the present invention is to provide a method for accurately measuring a three-dimensional shape of a measuring subject independent of the surface...
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