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Patent # Description
US-6,243,213 Zoom lens and camera having the zoom lens
In a zoom lens having a variable power ratio representing a ratio of a focal length at a telephoto end position to a focal length at a wide angle end position...
US-6,243,212 Telecentric zoom lens
A telecentric zoom lens having telecentric forming aperture optically and preferably mechanically intermediate an objective lens and a zoom group. The aperture...
US-6,243,211 Projection lens system and projection image display apparatus using the same
When a projection lens system used for a rear projection type image display apparatus has a first lens group having an aspherical lens surface, a second lens...
US-6,243,210 Optical image rotating device used with afocal image relaying optics and laser diode array
A new optical image rotating device, used in combination with laser diode bars or laser diode bar arrays, cylindrical lens elements or cylindrical lens element...
US-6,243,209 Method and apparatus for providing rectangular shape array of light beams
A linear array of equal intensity optical beams is transformed into a rectangular array of equal intensity optical beams, while the intensity of each beam is...
US-6,243,208 Optical element, optical system using optical element, and optical device with optical element
In an optical element (B1) prepared by integrally forming, on surfaces of a transparent member, a refracting surface (R2) for receiving a light beam, a plurality...
US-6,243,207 Display apparatus
A semi-spherical system holding mechanism 8 such as to cover the head portion of the user is provided in the upper portion of a user holding mechanisms 9 such as...
US-6,243,206 Illuminating system for vacuum ultraviolet microlithography
An illuminating system for the vacuum ultraviolet (VUV) microlithography (at 157 nm) is disclosed and has a VUV light source (1), refractive optical elements of...
US-6,243,205 Device for driving an EC dimming mirror
In a device for diving an EC dimming mirror, an oscillation circuit generates pulse signals which change in the duty factor in accordance with quantity of...
US-6,243,204 Color shifting thin film pigments
A color shifting multilayer interference film is provided which may be used to produce flakes for use in colorants having color shifting properties. The flakes...
US-6,243,203 Optical system with anti-reflection coating
In an optical system, like a lens system, having at least one transition from a first medium to a second medium, a newly designed coating, for example, an...
US-6,243,202 Structure arrangement, in particular for a security element
A structural arrangement having optical diffraction qualities for use as a security element in a value bearing document, such structural arrangement having a...
US-6,243,201 Retroreflective articles having polymer multilayer reflective coatings
A retroreflective article that has a layer of optical elements and a multilayer reflective coating disposed on the optical elements. The reflective coating...
US-6,243,200 Optical wavelength router based on polarization interferometer
A method and apparatus for optical wavelength routing separates even and odd optical channels from an input WDM signal. The input beam is first converted to at...
US-6,243,199 Broad band wire grid polarizing beam splitter for use in the visible wavelength region
A wire grid polarizing beam splitter has a generally parallel arrangement of thin, elongated elements which interact with electromagnetic waves of a source light...
US-6,243,198 High efficiency electromagnetic beam projector and systems and method for implementation thereof
This invention relates to electromagnetic wave beam paths, formation of the beam, illumination of programmable electromagnetic wave field vector orientation...
US-6,243,197 Lighting device for a microscope
A description is given of an illuminating device for a microscope (1), having a light source (2), an illuminating optical system (3) and an LCD (5) arranged in...
US-6,243,196 Optical fiber for optical amplifier and fiber optic amplifier
An optical fiber for optical amplification used for 1.58 .mu.m band signal light amplification, at least a core region thereof being doped with Er, wherein at...
US-6,243,195 Optical amplifier and a method of preventing emission therefrom of optical power exceeding a prescribed safety...
An optical amplifier comprises an active fiber (1), a pump unit (2) spaced from the active fiber and adapted to give a nominal, continuous pump power in an...
US-6,243,194 Electro-mechanical grating device
A electro-mechanical grating device for diffracting an incident light beam has a base which defines a surface. A spacer layer is provided above the base, said...
US-6,243,193 Magneto-optical light modulator
A magneto-optical light modulator includes a first polarizer, a transparent magneto-optical component including a magneto-optical film deposited on a surface of...
US-6,243,192 Electrochemical display and timing mechanism with migrating electrolyte
Printed electrochemical display cells are arranged in layer form with two electrode layers and an electrolyte layer occupying distinct areas of a substrate. When...
US-6,243,191 Optical path length modulator
A dynamic optical path length modulator for optical interferometry, holography and tomography is disclosed. The optical path length in a beam path is changed in...
US-6,243,190 Light scanning apparatus
A light scanning apparatus includes a deflector for deflecting a light beam emitted from a laser. A rotating reflector is provided in the deflector, and a...
US-6,243,189 Inexpensive, high quality scanning system
The present invention provides an inexpensive, simple, compact, optical relay for use primarily with scanning beam imaging systems. More specifically, it can be...
US-6,243,188 Light beam scanning system
A non-symmetrical scanning mirror for a laser scanning system is stiffer at a bottom end than at a top end. The mirror, which is driven from the bottom end, has...
US-6,243,187 Polygonal mirror device
An annular groove is formed on the upper surface, or a surface C, of a rotor member. A surface D and a surface E of a rotor member, which are located closer to...
US-6,243,186 Position detection of mechanical resonant scanner mirror
Two piezoelectric sensors are mounted on the back of a spring-plate of a mechanical resonance scanner on respective sides of a center line coinciding with an...
US-6,243,185 Reflective/transmissive scanner with removable scanning platform and docking port
An optical scanner for retrieving digital images of opaque and transmissive objects. The scanner of the present invention includes a scanner body, a docking...
US-6,243,184 Method and apparatus for light scanning
A light scanner includes a beam deflector supported for rotary motion to deflect an incoming light beam into an image field in response to being rotationally...
US-6,243,183 Method and equipment for optical communication
The present invention relates to a method and an arrangement for the automatic compensation of a DC-level for an incoming signal (IN) converted into an...
US-6,243,182 Atmospheric turbulence resistant open-air optical communication system
An open-air optical communication system is provided which enhances accuracy and reliability of signal transmission by utilizing multiple optical receivers. Two...
US-6,243,181 Reduction of collision induced timing jitter by periodic dispersion management in soliton WDM transmission
Collisions between solitons in different frequency channels are one of the major sources of errors in transmission systems that utilize wavelength division...
US-6,243,180 Optical interconnect for high speed processors
An optical interconnect for use with SIMD processors, including holographic-optical elements, dove prisms, beamsplitters and a processor. Laser diodes, with each...
US-6,243,179 Banded add drop device
A demultiplexer demultiplexes an incoming WDM signal that contains a given number of channels into a given number of bands, each band containing a subset of the...
US-6,243,178 Optical crossbar network using wavelength division multiplexing an optical crossbar exchange
Including optical transmitters for producing optical signals on different wavelengths, an optical network comprises an optical crossbar exchange for exchanging...
US-6,243,177 Bidirectional WDM optical communication system with bidirectional add-drop multiplexing
The present invention provides bidirectional add-drop multiplexers for bidirectional wavelength division multiplexed optical communication systems. In a first...
US-6,243,176 Optical wavelength multiplex transmission method and optical dispersion compensation method
The invention provides an optical wavelength multiplex transmission method wherein a band in the proximity of a zero dispersion wavelength of an optical fiber is...
US-6,243,175 WDM optical communication system having reduced loss and cross-talk
A WDM ring configuration having a central office node is provided in which each channel has substantially the same loss and no single channel has a ...
US-6,243,174 Image processing device, color printing device, image processing method and medium recording image processing...
In order to prevent an operational amount of color conversion from increasing when resolution is changed since the operational amount of color conversion is...
US-6,243,173 Method and apparatus for correcting alignment error of scanning head of a shuttle type scanner
Disclosed are a method and an apparatus for correcting an alignment error of a scanning head of a shuttle type scanner capable of compensating an error occurred...
US-6,243,172 Method and system for merging variable text and images into bitmaps defined by a page description language
A computer implemented method includes the steps of: a) generating a template PDL (page description language) specification, which includes template data and...
US-6,243,171 Laboratory system, method of controlling operation thereof, playback apparatus and method, film image...
Images of film that has been developed are captured by image sensing. The original digital image data is converted to reduced digital image data. The reduced...
US-6,243,170 Double pass etalon spectrometer
A double pass etalon based spectrometer. Spectral components of a diffused beam are angularly separated as they are transmitted through an etalon. A ...
US-6,243,169 Interferometric instrument provided with an arrangement for periodically changing a light path of a received...
An interferometric instrument for sensing the surfaces of a test object includes a radiation generating unit for emitting briefly coherent radiation and a first...
US-6,243,168 Dynamic optical micrometer
A dynamic optical micrometer for measuring the position of a moving object is invented. The optical micrometer includes a laser for generating an optical signal,...
US-6,243,167 Multimode fiber optic gyroscope
The invention concerns an optical fiber gyrometer with high stability of scaling factor comprising a light source (2) supplying the two ends of a ring-shaped...
US-6,243,166 Process and device for recognition of foreign bodies in fibre of predominantly textile fibres
The invention relates to a method and a device for detecting impurities (F) in a fiber stream (1) of mainly textile fibers, wherein the fiber stream and at least...
US-6,243,165 Measuring system with improved method of reading image data of an object
When a scanning start position set signal is input in an area image sensor, the content is transferred to a vertical scanning circuit, and the scan start...
US-6,243,164 Method and system for determining lead coplanarity
The coplanarity of leads (14) of an integrated circuit (IC) in a surface-mount technology package (SMT) (10) can be determined by means of a plurality of views...
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