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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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...