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Patent # Description
US-6,473,252 Biphasic multiple level storage method
A novel magnetic data storage method is disclosed for storing digital data in a magnetic medium. According to the present invention, the digital data is...
US-6,473,251 Apparatus and method for reducing thermal interference in MR heads in disk drives
An apparatus (and method) is provided that reduces thermal interference in the read signal of a disk drive. A variable or programmable resistance is used to...
US-6,473,250 Beam deflector
A beam deflector has first and second wedge prisms having refractive indices and geometries which are similar (in the case of the geometry to within arc...
US-6,473,249 Prism optical system and image pickup apparatus using the same
The present invention relates to a compact and high-performance prism optical system having, in order in which light rays pass from the object side, a first...
US-6,473,248 Method for manufacturing an optical pickup
A movable enclosure contains optical components, such as an objective lens, a semiconductor laser, a mirror, and a photodetector. The movable enclosure is...
US-6,473,247 Optical lens support and method for using same
The invention concerns a support of the type comprising at least a first base (13), and, borne by the latter, for maintaining such an optical lens (10) at its...
US-6,473,246 Electro-optical light beam deflector
A light beam deflector comprises an initial beam deflector that imparts a small initial deflection, and a beam deflection amplifier that increases the initial...
US-6,473,245 Catadioptric lens barrel structure having a plurality of support platforms and method of making the same
A catadioptric lens barrel structure for a projection exposure apparatus includes first and second lens barrels, each having an optical axis which runs parallel...
US-6,473,244 Projection lens
A projection lens including a first lens group, a diaphragm, and a second lens group, which are disposed in that order from a screen to an image source. The...
US-6,473,243 Catadioptric imaging system and a projection exposure apparatus provided with said imaging system
The object of the present invention is to provide a catadioptric imaging system, or the like, which is capable of obtaining a desired image-side NA and an image...
US-6,473,242 Projection lens
The projection lens comprises, in order from the object side of the lens to the modulator side of the lens, a first lens group having a positive power, including...
US-6,473,241 Wide field-of-view imaging system using a reflective spatial light modulator
PRS0847A foveated imaging system using a relatively simple optical imaging system with a reflective spatial light modulator at or near a pupil plane to correct...
US-6,473,240 Apparatus and method for using orthogonally polarized light in projection cockpit displays
An apparatus and method for illuminating a tiled projection display which includes a first polarizing beam splitting prism which separates incident light into...
US-6,473,239 Imaging system with a cylindrical lens array
The invention relates to an imaging system for optical automatic analysers, especially fluorescence readers. On the sample side, the imaging system contains a...
US-6,473,238 Lens arrays
Lens systems and an array of lenses for reproduction, capture and display of three dimensional images. The arrays generally fall into two categories. The first...
US-6,473,237 Point array maskless lithography
A system for performing digital lithography onto a subject is provided. The system includes a noncoherent light source for producing a first light and an optical...
US-6,473,236 Projection lens and system
Projection lenses and projection lens systems are telecentric between an illumination subsystem and a set of imagers. The lenses and systems can exhibit color...
US-6,473,235 Touch panel substrate having transparent conductive film
A transparent touch panel substrate comprising a transparent substrate and deposited thereon a transparent conductive metal oxide film which contains zinc,...
US-6,473,234 Tunable filter system with backreflection reference
A tunable filter system comprises a signal source providing a WDM having multiple channels, or other signal requiring spectral analysis, within a spectral signal...
US-6,473,233 Multi-beam optical system
A multi-beam optical systems forms a plurality of beam spots on an object surface to be exposed. The system includes a light source that emits a light beam...
US-6,473,232 Optical system having a diffractive optical element, and optical apparatus
An optical system includes a diffractive optical element having a diffraction grating provided, on a lens surface having a curvature, in a concentric-circles...
US-6,473,231 Variable magnification optical system having image stabilizing function
A variable magnification optical system having an image stabilizing function includes, in order from an object side to an image side, a fixed first lens unit of...
US-6,473,230 Microscope
The invention concerns a microscope with a capability for switching between the deep ultra-violet and the visible spectral region having a displaceable tube lens...
US-6,473,229 Stereomicroscope
A stereomicroscope has an objective system, a zoom system, and an eyepiece system. The zoom system consists of two systems that are juxtaposed at the same...
US-6,473,228 Microscope
A specimen of transparent living material is covered over with a cover glass while being observed. An optical image of this specimen captured by an objective...
US-6,473,227 Silica glass optical material for projection lens to be utilized in vacuum ultraviolet radiation lithography,...
A silica glass optical material for projection lens to be used in vacuum ultraviolet radiation lithography using radiation from 155 to 195 nm in wavelength,...
US-6,473,226 Silica glass member
A silica glass member is provided for use in an optical system using light of a wavelength equal to or less than about 400 nm as a light source. The silica glass...
US-6,473,225 Light amplifier device
In order to be able to use a semiconductor light amplifier of conventional type and operating under gain saturation conditions while nevertheless providing...
US-6,473,224 Configurable safety shutdown for an optical amplifier using non-volatile storage
A system for configuring an optical amplifier in a fiber optic communications network including a safety shutdown input, includes a non-volatile memory for...
US-6,473,223 Raman amplifier
A Raman amplifier comprises first and second stages, in which a single pump source is used for both stages. The pump source output is coupled to one end of the...
US-6,473,222 Hyper-heterodyning, expanded bandpass apparatus and method
Multi-domain, phase-compensated, differential-coherence detection of photonic signals for interferometric processes and devices may be manufactured...
US-6,473,221 Galvano-mirror and method of making the same
A method of making a galvano-mirror is provided. It includes the following steps. First, a first material substrate formed with a plurality of mirror plate...
US-6,473,220 Film having transmissive and reflective properties
A film which simultaneously maximizes light reflectivity from one side of the film while maximizing light transmissivity from the opposite side of the film. This...
US-6,473,219 Method and apparatus for asymetrical optical modulation
An optical data transmission system using a Mach Zehnder (M-Z) modulator asymmetrically modulates the optical carrier to generate control information to optimize...
US-6,473,218 Light modulation in whispering-gallery-mode resonators
Techniques and devices to modulate light by using a whispering gallery mode optical resonator exhibiting an electro-optic effect. An electrical signal is coupled...
US-6,473,217 Diaphragm device
The space required in the vicinity of a shutter aperture can be reduced to achieve an overall reduction in size of a device by providing a diaphragm mechanism...
US-6,473,216 Optical scanner
An optical scanner comprises a laser diode which scans laser beam of definite wavelength; first optical element which patterns the beam scanned from the laser...
US-6,473,215 Optical scanner
In an optical scanner, while a plurality of lens elements comprise scanning lens optics, the angle (.theta..sub.46 of the line dropped normal to the first face...
US-6,473,214 Methods of and apparatus for optical signal transmission
A binary signal is encoded to produce a three-level encoded signal having reduced bandwidth and small low frequency and d.c. components, e.g. using modified...
US-6,473,213 Process and system to optimize optical inter-satellite links
The system for the optimization of inter-satellite links has a terminal comprising a multiplexer (1) which is connected to the output of a transmission unit (2)...
US-6,473,212 Lightwave communication systems using semiconductor optical amplifiers
Substantially error-free communications is achieved in an optical communication system that includes optical amplifiers by detecting bits transmitted in the...
US-6,473,211 Optical crossbar switching and/or routing system
A switching and/or rotuing system that utilizes high efficiency switched diffractive gratings to form optical switching, interconnection, and routing networks....
US-6,473,210 Method for measuring the performance of broadband dense wavelength division multiplexer (DWDM) using non-linear...
A method for detecting the presence of signal channels in a wavelength-multiplexed optical signal comprises the steps of providing an initial estimate of...
US-6,473,209 Apparatus for producing a three-dimensional image
Described herein is an apparatus for producing three-dimensional staic or moving images. In one embodiment, the apparatus includes an image generator and an...
US-6,473,208 Two-color holographic recording apparatus
A two-color holographic recording apparatus reduces error signals possibly included in reproduced digital data signals. The two-color holographic recording...
US-6,473,207 Image size transformation method for orthogonal transformation coded image
In an image size transformation method for an orthogonal transformation coded image, orthogonal coefficients as coded data of an image are read out by blocks,...
US-6,473,206 Image scanner
An image scanner is provided which includes a housing, a document supporting panel fixed to the housing, a movable carriage arranged under the document...
US-6,473,205 Image sensor module adjustable in six degrees of freedom for use with an image acquisition device
An image sensor sub-assembly for a scanner or other image acquisition device includes an image sensor array that detects light imaged by a scanner optical system...
US-6,473,204 Image processing apparatus capable of selecting a non-rectangular area
An image processing apparatus includes an input unit for inputting image data, a storage unit for storing a plurality of non-rectangular area data, a selection...
US-6,473,203 Image information processor and image information transmitter
An image information processor has an image superimposing and outputting means for printing out a superimposed image where a bar code representative of a storage...
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