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7453487 Optical scanning apparatus having scanning line curvature correcting mechanism with sliding pressure point along a longitudinal direction of the optical element  
An optical scanning apparatus for correcting the curvature of a scanning line effectively by a small number or parts, having a rotary polygon mirror for scanning a ray of light, and a reflecting...
7450313 Scanning lens molded from resin and method of positioning a scanning lens  
A scanning lens is molded from resin. A lens part refracts a light beam which is scanned in a first direction of the lens part. The lens part defines an optical axis orthogonal to the first...
7450142 Scanning optical device with post-deflection diffraction element supported by an end-side swing member to suppress vibration  
In a scanning optical device which deflects a light flux from a light source with a deflection scanning unit to perform light scanning to a body to be scanned through at least one optical member,...
7446917 Optical scanning apparatus  
An optical scanning apparatus constructed to dispose optical elements guiding light beams to a deflector such as a rotary polygon mirror at a low cost with high accuracy, includes a first 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...
7443558 Optical scanning device and image forming apparatus  
An optical scanning device includes a first optical element that converts a cross-section shape of a light beam from a semiconductor laser to a desired shape; a second optical element that guides...
7443557 Optical beam scanning apparatus and image forming apparatus  
An image forming apparatus provided with an optical beam scanning apparatus according to the invention includes a semiconductor laser device, a pre-deflection optical system, a polygon mirror, and...
7443556 Optical scanning apparatus and image forming apparatus  
In an optical scanning apparatus, an optical element has power for predominantly correcting a position of a scanning line by scanning in a sub-scanning direction; a scanning line curvature...
7436562 Scanning examination apparatus, lens unit, and objective-lens adaptor  
It is possible to easily and accurately confirm the position of an optical axis of an objective lens relative to an examination site on a specimen, and positioning of the objective relative to the...
7433109 Scanning optical system and scanning optical device  
There is provided a scanning optical system used with a deflection mirror that produces sinusoidal vibrations. The scanning optical system includes a first lens having a positive power, and a...
7428088 Optical scanning apparatus and method for adjusting the same  
An optical scanning apparatus which is free from any deterioration of drawing performance and which can be miniaturized and simplified in overall configuration, and an image forming apparatus using...
7414765 Optical scanning device and image forming apparatus using the same  
An optical scanning device deflects, by a common optical deflecting part, a plurality of groups of light beams emitted from a plurality of light sources and directs, by a scanning and imaging...
7397591 Optical scanner and image forming apparatus  
An optical scanner includes a light source, an optical coupler, an optical line image unit, a deflector, and an optical scanning unit. The optical scanning unit includes scanning lenses that guide...
7397590 Optical scanning apparatus and image forming apparatus employing this apparatus  
At least one exemplary embodiment is directed to an optical scanning apparatus that employs a short wave light source to constantly maintain a spot having a tiny diameter, even when an...
7391548 Optical beam scanning device and image forming apparatus  
An optical beam scanning device and an image forming apparatus are capable of suppressing adverse effect due to ambient temperature change on plural optical elements. The optical beam scanning...
7385746 Optical scanning system and image forming apparatus using the same  
An optical scanning system includes a deflecting device to scanningly deflect a light beam from a light source in a main scan direction, and an imaging optical system for imaging, upon a surface to...
7385745 Two-dimensional scanning apparatus and scanning type image displaying apparatus using the same  
The invention is to provide an optical scanning apparatus which scans light from a light source onto a surface to be scanned, comprising a light scanning optical system having at least one...
7385181 Optical scanning device and image forming device  
Light beams emitted from a plurality of light source devices are deflected by a shared light deflector. The light beams are respectively concentrated on different scanning subjects using a first...
7365893 Iterative Fourier reconstruction for laser surgery and other optical applications  
Methods, systems and software for determining an optical surface model for an optical tissue system using Fourier transformation algorithms. A method of reconstructing optical tissues of an eye...
7362487 Optical element and optical scanning device using the same  
Provided is an optical element capable of reducing Fresnel (surface) reflection on a lens surface which causes flare or ghost, an optical system including the optical element, and an optical...
7362486 Optical scanning device with at least one resin lens for controlling a beam waist position shift  
A first optical system guides a light beam from a light source to an optical deflector, and a second optical system converges the light beam deflected by the optical deflector on a surface to be...
7355771 Optical scanning apparatus  
An optical scanning device has a light shield plate where a scanning line emitted from a light source passes through a scanning lens, and is reflected by a rotation polygon mirror, and after that,...
7351944 Beam irradiation device  
In a beam irradiation device of the present invention, laser beams emitted from a semiconductor laser impinge on an irradiation lens supported by a lens actuator. The laser beams that have passed...
7347567 Arrangement for projecting an image onto a projection surface and associated transformation lens system  
The invention relates to an arrangement for projecting an image, which is made of pixels, onto a projection surface, including at least one light source whose intensity can be altered and which...
7346261 Image display apparatus  
There disclosed is an image display apparatus having a light source, a scanning member for deflecting a light from the light source to scan a predetermined surface with the light to form a...
7345826 Optical scanning lens, optical scanning device and image forming apparatus  
An optical scanning lens used in a scanning and imaging optical system in which a beam deflected by a light deflector is condensed on or in the vicinity of a surface to be scanned. The optical...
7345801 Laser scanning device  
Laser light, emitted from a laser light source, is formed into a converged light ray by a condensing lens, and deflected by a resonance mirror. The laser light is converged on a photosensitive...
7342700 Optical scanning apparatus and image forming apparatus  
An optical scanning apparatus includes a deflecting member that deflects and scans a light beam emitted from a light source, an optical element that scans and images the light beam on a medium to...
7342699 Scanner apparatus and image forming apparatus including a lens having a thin portion formed to extend in one scanning direction  
A cylindrical lens is positioned between and a polygon mirror and a second slit plate through which light beams from two light beam emitting units pass, and the cylindrical lens has a thin portion...
7338439 Condensing optical system, confocal optical system, and scanning confocal endoscope  
A condensing optical system, suitable for a scanning confocal optical system (having a composition for scanning a beam spot on a subject surface by swinging a point source of light) and capable of...
7315409 Optical scanning device and image forming apparatus using the same  
An optical scanning device deflects, by a common optical deflecting part, a plurality of groups of light beams emitted from a plurality of light sources and directs, by a scanning and imaging...
7304778 Optical scanning system and image forming apparatus using the same  
An optical scanning system and an image forming apparatus with such optical scanning system, include a light source, an optical deflector having a deflecting surface, for scanningly deflecting a...
7304777 Optical scanning apparatus and image forming apparatus using the same  
An overfilled optical scanning apparatus has an incidence optical system for converging a light beam onto a deflection surface of a light deflector which has a plurality of deflection surfaces, and...
7298537 Optical scanner and image forming apparatus  
An optical scanner includes a light source, an optical coupler, an optical line image unit, a deflector, and an optical scanning unit. The optical scanning unit includes scanning lenses that guide...
7295722 Scanning device, laser projector, and optical device  
A scanning device, a laser projector and an optical device that are capable of accomplishing a wide scanning area in a simple manner include a galvanomirror that is a scanning part scans a laser...
7292517 Optical scanning device for use with multiple types of record carrier surfaces  
An optical scanning device for scanning of a first, second and third type of optical record carrier with radiation of a first wavelength λ 1 , a second wavelength λ 2 and a third wavelength λ 3...
7286274 Optical scanner and image forming apparatus using the same  
The invention aims at provision of an optical scanner in which an optics required for equalizing an optical magnification in a scanning range is produced with high accuracy, so that intervals among...
7285089 Confocal imaging equipment in particular for endoscope  
Equipment includes an image guide ( 1 ) consisting of flexible optical fibers with: on the proximal end side: a source ( 2 ), angular scanning elements ( 3 ), injection elements ( 4 ) in one of the...
7283288 Scanning device  
According to an aspect of the invention, there is provided a scanning device, which is provided with a light source unit that emits a light beam, a collection optical system that converges the...
7277212 Optical scanning unit and image forming apparatus  
An optical scanning unit includes a light source that emits a light beam, a light deflector that deflects the light beam from the light source, and a scanning optical system that focuses the light...
7274499 Scanning optical apparatus and image forming apparatus using the same  
An object of the present invention is to prevent deterioration of image quality caused by ghost light generated from components of a scanning optical apparatus. In the present invention, an image...
7271941 Laser scanning unit including a shield  
A laser scanning unit is provided comprising: a housing; a scanning device; a first pre-scan assembly generating a first light beam and directing the first light beam toward the scanning device; a...
7268928 Photo scanner and image forming device  
A first reflecting optical element ( 7 ) and a second reflecting optical element ( 51 ) are provided, and the second reflecting optical element ( 51 ) is disposed so as to reflect incident light to...
7256916 Optical scanning imaging system  
The system includes an illumination system, a scanner, a non-linear optical element, and a pumping light source. The illumination system emits imaging beam and the scanner scans the beam incident...
7253937 Multi-beam optical scanning device and image forming apparatus  
A multi-beam scanning device is disclosed that is able to realize a stable and small beam spot and realize stable scanning line intervals between plural light beams. The multi-beam optical scanning...
7251067 Optical scanning apparatus  
The present invention has as its object to provide a compact optical scanning apparatus of high performance. So, in the present invention, an optical scanning apparatus comprised of two or more...
7248391 Optical scanning system and image forming apparatus using the same  
Disclosed is an optical scanning system and an image forming apparatus having the same, wherein, in one preferred form of the invention, the optical scanning system includes a light source device,...
7244028 Laser illuminated projection displays  
A projection video display includes at least one laser for delivering a light beam. The display includes a beam homogenizer and a condenser lens. A scanning arrangement is provided for scanning the...
7224503 Optical scanning apparatus and image forming apparatus using the same  
Disclosed is an optical scanning apparatus for repeatedly optically scanning a plurality of surfaces to be scanned, including: a plurality of light sources; an optical deflector for deflecting and...
7221492 Scanning device including an objective system with a lens protection device  
An optical scanning device ( 1 ) for scanning an information layer ( 4 ) of an optical record carrier ( 2 ), the device ( 1 ) comprising a radiation source ( 11 ) for generating a radiation beam (...
Matches 1 - 50 out of 575 1 2 3 4 5 6 7 8 9 10 11 12 >