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7619796 |
Optical scanning device and image forming apparatus
An aperture has an aperture opening that transmits a predetermined portion of a light beam. A phase optical element changes a phase of a portion of a light beam. A scanning lens focuses the light...
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7619795 |
Optical scanning device, optical scanning method, and image forming apparatus
An optical scanning device includes a laser light source that emits a laser beam; a light deflector that deflects the laser beam; a scan-imaging optical system that focuses the laser beam deflected...
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7614752 |
Image display apparatus and method, and driving apparatus and method
The present invention provides an image display apparatus including a spatial light modulating element formed with a plurality of light modulating elements for each modulating light from a light...
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7609431 |
Light scanning device and image forming apparatus
A light scanning device which exposes a photoconductor of an image forming apparatus, includes: a light emitting unit which emits a light; a mirror which reflects a light emitted by the light...
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7572015 |
Displaying optical system and image projection apparatus
A displaying optical system is disclosed, which is capable of reducing a speckle noise. The displaying optical system comprises a light source emitting coherent light, a scanning device scanning...
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7564607 |
Light source module, optical scanning device, and image forming apparatus
A coupling lens collimates an optical beam emitted from a laser light source. An aperture shields a peripheral light flux area of the collimated optical beam. A phase adjusting element partially...
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7557974 |
Optical scanning apparatus and image forming apparatus using the same including relationship between interval between deflector and scanned surface and a natural convergent point
A compact optical scanning apparatus capable of desirably correcting an f characteristic, a field curvature, and other aberrations, and an image forming apparatus using the same, which includes an...
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7554710 |
Two-dimensional scanning apparatus, and image displaying apparatus
Disclosed is a two-dimensional scanning apparatus which includes a deflecting unit for deflecting a light beam from a light source two-dimensionally, and a scanning optical system for directing the...
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7548365 |
Semiconductor device and method comprising a high voltage reset driver and an isolated memory array
A method of operating a semiconductor device, a semiconductor device and a digital micromirror system are presented. In an embodiment, the semiconductor device comprises a grounded substrate, a...
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7529011 |
Deflector mirror with regions of different flexural rigidity
A deflector mirror is disclosed that includes a mirror substrate configured to vibrate in a reciprocating manner on beams as a torsional rotary shaft so as to deflect a light beam emitted from a...
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7522789 |
Optical switches and actuators
An optical switch comprises one or more input ports for directing an optical beam into the switch; dispersive means configured to receive said optical beam and which spatially separate the optical...
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7520063 |
Device with precise tip-tilt adjustment
A device assembly ( 216 ) for positioning a device ( 222 ) in a precision apparatus ( 10 ) includes a first housing ( 224 ), a second housing ( 226 ), a movement ball joint ( 229 ), and a locking...
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7518773 |
Light scanning system and image forming apparatus employing the same
A light scanning system is provided that includes a light source unit emitting light, and a light deflector having a sinusoidally vibrating deflecting surface that deflects and scans the light...
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7474450 |
Light scanning device and image forming apparatus
A light scanning device which exposes a photoconductor of an image forming apparatus, includes: a light emitting unit which emits a light; a mirror which reflects a light emitted by the light...
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7470891 |
Optical device
The optical device 10 includes a light source 13 , a mirror element 12 including a mirror 36 for reflecting light emitted from the light source 13 in a predetermined direction, and a...
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7470070 |
Optical scanner device and image forming apparatus
A first wall is installed on a bottom portion of a housing along an outer peripheral thereof orthogonally to the bottom portion. A second wall is installed opposite to the first wall at a...
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7466467 |
Method and apparatus for generating an angular sweep of a directed propagation of electromagnetic radiation
An angular sweep of a directed propagation of electromagnetic radiation is generated by a first oscillating or vibrating reflector that cooperates with at least one fixed reflector. Electromagnetic...
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7463396 |
Confocal optical scanning device
The invention concerns a confocal optical scanning device comprising a mobile scanning mirror, reflection on one side 101 ( b ) compensating reflection on the opposite side 101 ( a ) after...
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7463395 |
Method for recording information into rewritable thermal label of the non-contact type
A method for recording information into a rewritable thermal label of a non-contact type by irradiation with a laser beam is provided. When a prescribed drawing is conducted by irradiation with a...
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7453619 |
Rotary optical delay line
Disclosed herein is an optical delay line. The optical delay line includes a body and at least one wing, which constitute a rotating body that rotates around a rotational axis. The rotational wing...
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7450287 |
Optical scanning device and method for detecting synchronization signal
Provided are an optical scanning device and a method for detecting a synchronization signal. In the optical scanning device, a beam incident on a scanning area of an object's surface to be scanned...
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7443586 |
Display device using single-panel diffractive light modulator
Disclosed herein is a display device using a single-panel diffractive light modulator. The display device includes a light source unit, a condensing unit, an illumination unit, a diffractive light...
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7443560 |
Scanning imaging apparatus
A scanning imaging apparatus comprises an optical system including a curved polariser/reflector, a rotatable reflector, a polarisation twisting plate, and a receiver array, wherein a convex...
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7428089 |
Optical scanning device and image forming apparatus
An optical scanning device includes a light source that emits a light beam, an optical deflector at which a light beam emitted from the light source is incident, the optical deflector deflecting...
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7422851 |
Correction for illumination non-uniformity during the synthesis of arrays of oligomers
The present invention provides an apparatus and a method for the synthesis of arrays of oligomers that have tight illumination intensity requirement. The apparatus and the method contains a...
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7420722 |
Multiple illumination source exposure apparatus
A method of combining output of a plurality of light sources includes arranging a plurality of light sources in the same plane and having their beams directed at a first mirror, rotating the first...
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7420449 |
Mirror actuating device for projection systems
A magnetic actuator utilizes a single magnet and two voice coils to rotate a mirror between two angular positions with respect to a rest state. A magnetic field assembly applies magnetic flux...
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7417777 |
Optical scanning device and image forming apparatus
A coupling lens arranged on an optical path of an optical beam from a VCSEL, which has a refraction plane and a diffraction plane that respectively change a power according to a temperature change...
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7411710 |
Optical beam scanning device and image forming apparatus
An optical beam scanning device is configured from a deflecting unit that has a function to support a deflecting member and a light source, including an exposing semiconductor laser, a polygon...
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7408688 |
Method for driving optical deflecting device array, optical deflecting device array, optical deflecting device, and image projection displaying apparatus
A method for driving an optical deflecting device array is disclosed, including in a series of processes for the light deflection operation, at least, a state of a first stage writing and recording...
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7405854 |
Fibrous micro-composite material
Fibrous micro-composite materials are formed from micro fibers. The fibrous micro-composite materials are utilized as the basis for a new class of MEMS. In addition to simple fiber composites and...
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7388699 |
Musical laser display device
A device for deflecting a light beam in response to an audio input signal includes a hub member, a mirror flexibly attached to the hub member, a magnet connected to the mirror, an electromagnetic...
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7388191 |
Mirror positioning unit of laser scanning unit and laser scanning unit employing the same
A mirror positioning structure of a reflection mirror for correcting skew and bow and a laser scanning unit employing the same are provided. The mirror positioning structure includes a mirror...
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7379222 |
Optical scanning unit and image forming apparatus
An optical apparatus for irradiating a surface to be scanned with laser light comprises rotary deflecting means for deflecting laser light emitted by a laser emitting means in a shape of a plane, a...
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7378632 |
Image display apparatus and image pickup apparatus using the same
Provided is an image display apparatus, including: a light source for emitting a modulated light beam based on image information; a conversion optical system for converting the light beam from the...
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7369298 |
Optical scanner and laser image projector using the same
Provided are an optical scanner including a micro-mirror having an improved a driving angle by using a micro-electro-mechanical system (MEMS) technique and a laser image projector using the same...
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7369287 |
Mirror positioning structure for compensation of skew and bow and laser scanning unit employing the same
A mirror positioning structure for compensating skew and bow includes a mirror rotating member having a recess at one side to hold a mirror inserted therein and a rotation shaft protruding from an...
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7365891 |
Method and apparatus for directing energy based range detection sensors
A directing apparatus includes a mechanism for producing steerable energy. The apparatus includes a mechanism for steering energy from the producing mechanism while the producing mechanism is...
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7362485 |
Image display medium, image writing device, and image forming apparatus
An image display medium comprising: a display layer; a pair of substrates that retain the display layer therebetween, with at least parts of the pair of substrates configuring a frame portion to...
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7349145 |
Optical deflection device and image projection display apparatus using the same
An optical deflection device includes a substrate; a plurality of regulating members including upper portions including stoppers; a fulcrum member serving as an electrode; a plate member; and a...
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7348549 |
Light scanning apparatus
Provided is a light scanning apparatus, including a light source, a light source controller to control an on/off operation of the light source, a light deflector deflecting light emitted from the...
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7330296 |
Synchronous detector, optical scanner, and image forming apparatus
A synchronous detector detects timing of scanning by an optical scanner in an image forming apparatus. The optical scanner has a light source that emits a light beam, a deflecting unit that...
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7330295 |
Optical scanning device and cover glass cleaning mechanism for optical scanning device
The present invention relates to an optical scanning device in which a light beam is incident twice on a deflective reflecting facet and its object is to reduce curvature in scanning line trail or...
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7330293 |
Optical scanning unit
An optical scanning unit designed to provide a sufficient optical path length between a light source and an exposed object while reducing the overall space it occupies. The optical scanning unit...
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7325736 |
Optical scanner and image forming apparatus having the same
An optical scanner is disclosed which includes: a first scanning device having a first mirror portion in which a first reflective surface is formed, the first scanning device scanning in a first...
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7304933 |
Optical recording apparatus using scanning mirror for generating two-dimensional beam
The present invention relates to an optical recording apparatus, which converts a one-dimensional signal beam into a two-dimensional signal beam using a scanning mirror at the time of recording...
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7301685 |
Optical scanning apparatus and its optical element, method and apparatus for positioning and fixing the optical element, and a molding tool for making the optical element
Method and apparatus for optical scanning includes a sliding bed and a center adjusting unit. The sliding bed predetermines a position of an optical element in a light axis direction. The optical...
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7301684 |
Scanning optical system
A scanning optical system capable of sufficiently enlarging an exit pupil and being reduced in size is disclosed. The scanning optical system has a scanning device used to scan light from a light...
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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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7295359 |
Light beam scanner and image forming apparatus
A light beam scanner irradiates surfaces of respective of different image carriers with respective of plural light beams having been subjected to constant angular velocity deflection by a...
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