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Document Title |
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7611249 |
Projector
A projector including a shiftable projection lens unit is disclosed. The projector includes an illumination unit adapted to emit generated light, a micro device adapted to receive the light from...
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7463394 |
Linear optical scanner
A device for linear scanning includes a roof prism. The roof prism includes a roof of two mutually perpendicular reflecting surfaces intersecting in a line of intersection. A scanning mechanism...
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7453618 |
Miniature single actuator scanner for angle multiplexing with circularizing and pitch correction capability
The present invention provides a scanner comprising: a reflector component; means supporting the reflector component for pivoting with respect to the MCR to provide a scan which is stationary with...
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7428086 |
Method and apparatus for scanning optical delay line
A scanning optical delay line includes an optical path element that rotates about its central axis, such that a face is intermittently incident a beam of light to be optically delayed. When the...
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7336407 |
Scanner/pointer apparatus having super-hemispherical coverage
A scanner apparatus which has super-hemispherical coverage includes a receiver, a pair of counter-rotating prisms, and a rotating mirror aligned with the pair of counter-rotating prisms. The...
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7298538 |
Rotary optical switch
An apparatus for directing a light path sequentially between multiple positions. A rotary switch rotates a light beam from a prism relative to a plurality of optical elements arranged radially on a...
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7286270 |
Optical reading document board and optical reader
In an optical-reading document board, an anti-reflection layer is formed by a transparent film and an anti-reflection film is bonded on a document-resting surface of a transparent glass plate. The...
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7258448 |
Display device
A display device has plural light emitting elements disposed in line, a first optical system to diverge light emitted from the light emitting elements, and a second optical system to converge the...
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7236299 |
Compact periscopic beam director
A periscopic beam director is disclosed. The periscopic beam director can be configured with a hemispheric field of regard, in a volume that minimizes external structure or dome size when mounted...
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7224521 |
Parcentric objective
A parcentric objective is described, including an objective lens configured to receive an incident ray from a field of view and to translate the incident ray into a translated incident ray, the...
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7215455 |
Inner drum exposure apparatus
The inner drum exposure apparatus records an image by scanning a recording material held on an arcuate inner peripheral surface of a support with a light beam that is emitted from a light source...
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7177059 |
Device and method for manipulation and routing of a metrology beam
A lithographic projection apparatus is equipped with a device for manipulation and routing of at least one portion of a metrology beam of radiation. The device includes a first and a second optical...
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7123394 |
System and method for the laser beam deflection for optical measuring systems
A system for the laser beam deflection for optical measuring systems includes an optical element for the deflection of an incident laser beam and a driving unit for generating a rotational movement...
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7106482 |
Scanning apparatus
A scanning apparatus comprises two rotatable bodies ( 1,10 or 40 ) arranged to rotate in opposite directions. The first body being a polarizer ( 10 ) and the second being a mirror ( 1 ) or a...
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7104652 |
Image display device and projector
To provide an image display device and a projector having a brightness or an excellent utilization efficiency of the light by improving the display performance of a moving picture. A projector...
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7040765 |
Device for projecting a light beam
A device for projecting a light beam on an object includes a light source for generating the light beam and projection optics for transmitting the light beam from the light source to the object. At...
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7035004 |
Laser microdissection device
The invention relates to a laser microdissection device comprised of a microscope table ( 1 ), which supports a specimen ( 3 ) to be dissected, of an incident lighting device ( 7 ), a laser light...
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6971748 |
High-resolution display including pixel moving optical system
A high-resolution display displaying an image on a screen includes an illumination optical system, an image optical system, a pixel moving optical system, and a projection optical system. The...
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6951411 |
Light beam generation, and focusing and redirecting device
An improved light beam generation and focusing device ( 15, 50 ) has a light source ( 16, 51 ) constructed and arranged to emit at least one beam of light ( 20 ), and a lens assembly ( 17, 19, 56 )...
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6937375 |
Scanning device
A scanning apparatus includes a radiation source for emitting a light beam, a rotatable prism for deflecting the light beam, and a lens arrangement for projecting the light beam onto a scene to be...
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6914676 |
System and method for optical multiplexing and/or demultiplexing
Improved methods and systems for routing and aligning beams and optical elements in an optical device include a multiplexing device and/or a demultiplexing device, which includes an optical...
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6879419 |
Laser scanner with peripheral scanning capability
The present invention relates generally to ladar and more particularly to a tilted primary clamshell lens laser scanner for transmitting a generally collimated beam of radiation at a first...
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6836364 |
Beam steering and scanning device
A beam steerer/scanner ( 50 ) includes a dynamically balanced bi-index rotating element ( 52 ). The element is comprised of a pair ( 52 A, 52 B) of transparent hemispheres which are of the same...
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6831789 |
Rotating periodic color-regulating module of an image display device
A rotating periodic color-regulating module of the image display device is disclosed to improve the usage of light. The rotating periodic color-regulating module comprises a color separating light...
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6827450 |
Scrolling color projection system
A integrating light pipe re-circulates color to improve efficiency. A number of color filters, such as blue, green, and red filters, on the end of the light pipe transmit a selected color and...
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6782160 |
Optical-signal coupler and related method
An optical coupler includes a housing, and includes first and second optical terminals and a prism disposed in the housing. One terminal is moveable with respect to the other, and the prism...
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6735003 |
Method and apparatus for reducing artifacts in an imaging system
A method and apparatus for reducing artifacts in an imaging system by directing a stream of air onto the beam deflection assembly of the imaging system. An air displacement system, such as a fan...
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6731418 |
Multibeam scanning optical system and image forming apparatus using the same
A multibeam scanning optical system includes a light source unit having a light source and a plurality of beam converting elements having a first optical system for converting a beam emitted from...
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6717756 |
Multibeam multi-wavelength internal drum recording apparatus
Internal drum recording apparatus provided with a rotating deflecting element, comprising two (or more) beams of different wavelengths, which are simultaneously operatable, and optical elements for...
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6693561 |
System for and method of wide searching for targets in a marine environment
An above-the-water system for and method of finding targets, both animate and inanimate, in a marine environment, especially by determining the distance and depth of targets at, above or below the...
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6628447 |
Array of rotatable solid elements for color display
A display array element including a substrate, a prism rotatable relative to the substrate, and a fluid conduit defined in part by the substrate. The prism has a first viewable surface having fist...
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6626547 |
Method of using a spectral dispersion device
A spectral dispersion device includes a transmission member formed of a translucent material and formed with an image surface, a reflection surface, and a dispersion surface. The image surface...
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6511186 |
Focus and aim device and method for image projection
An image projection system includes an image generator, a screen and a focus and aim component. The focus and aim component receives modulated light from the image generator and focuses and...
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6449036 |
Sensor unit, process and device for inspecting the surface of an object
A sensor unit ( 50 ), a device, and a process for inspection of a surface ( 10′, 10 Δ) of an object ( 10 ) for the purpose of identifying surface characteristics, such as structural defects. The...
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6437896 |
Device for deviating electromagnetic rays or radiation beams in the optical spectral domain
The invention concerns a device for electromagnetic rays or radiation beams in the optical spectral domain, in particular for laser beams, comprising at least a deviating element provided with at...
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6406153 |
Spectral dispersion device
A spectral dispersion device includes a transmission member formed of a translucent material and formed with an image surface, a reflection surface, and a dispersion surface. The image surface...
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6344937 |
Beam steering optical arrangement using Risley prisms with surface contours for aberration correction
A steerable optical arrangement. The inventive arrangement includes a first prism mounted for rotation about an optical axis and a second prism mounted for rotation about the optical axis. In...
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6341028 |
Jitter mechanism for a real time fingerprint sensor and verification system
A real time fingerprint verification system includes a recording device and a verification device each having a fingerprint scanner for generating a flat, dimensionally undistorted, high contrast,...
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6262825 |
Apparatus and method for the enhanced imagewise exposure of a photosensitive material
In accordance with the present invention, there are provided apparatus and methods useful for efficiently subjecting photosensitive materials to a relatively low energy pre-exposure using the...
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6259563 |
Optical system for image rotation
An optical system for image rotation comprises two Pechan prisms (8, 9) located on an optical axis (4) and a lens system located on the same optical axis. The two Pechan prisms (8, 9) can be...
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6181415 |
Position sensor for transmission type optical deflector and apparatus for correcting scanning position of scanning optical system
A position sensor is provided for a transmission deflector which has a wedge-shaped transmission prism that is rotatably supported by a yoke member through a prism holder and an elastic member, and...
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6172775 |
Composition for repairing and removing scratches from photographic surfaces
The present invention is a composition for removing scratches from photographic elements. The composition includes a solvent, an abrasive particle, a petroleum distillate, hard wax and water.
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6157473 |
Holographic storage system incorporated therein a parabolic mirror
A holographic storage system implements both a rotational and an angular multiplexings in combination. The system comprises a light source, a pair of wedge prisms, a beam splitter, a first, a...
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6144483 |
Optical scanning with phase shifted beam
A beam scanning system for scanning an imaging surface includes a phase shifter for issuing phase signals, a radiation emitter for emitting a beam of radiation and a deflection element, such as an...
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6094287 |
Wobble correcting monogon scanner for a laser imaging system
Disclosed is an optical scanner assembly for producing an image on imaging material positioned on an internal surface of a curved film platen. The scanner assembly includes a light source for...
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6078605 |
Track-changing utilizing phase response of resonators
A device and method of track changing an optical signal beam in response to the frequency selective phase characteristics of a resonator. The resonator is side-coupled to a single optical beam and...
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6038050 |
Rotating laser scanner head with target mounted therein and system and method for use therewith
A laser generator is provided having a rotating scanner head within which a target is mounted. The target is a position sensitive cell which is used to buck the laser generator into a...
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6028660 |
Illumination unit for an optical apparatus
Illumination unit (2) for an optical system, including an illumination system (1) which comprises, in this order, a radiation source (3) and a first optical integrator (11). The illumination unit...
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5966253 |
Transmission type optical deflector
A transmission type optical deflector wherein a prism holder is supported by a yoke member to rotate about a principal axis through an elastic device. A wedge-shaped transmission prism is provided...
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5959756 |
Optical deflection switch
A 1×n optical deflection switch has an array of k transmissive light deflectors to switch an incident light beam into one of n=2 k directions. The switch can steer the light through the...
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