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Match Document Document Title
7625089 Wavefront sensor having multi-power beam modes, independent adjustment camera, and accommodation range measurement  
An improved wavefront sensor is provided that enhances the initial focus and precision of imaged spots used to determine the monochromatic wave aberrations of the eye. The wavefront sensor includes...
7602541 Optical beam scanning apparatus and image forming apparatus  
In an image forming apparatus provided with an optical beam scanning apparatus according to the invention, an optical beam scanning apparatus of an overillumination scanning optical system includes...
7593151 Display unit and scanning method therefor  
In a display unit which makes coherent light perform scanning on a screen to display an image, it is necessary to rotate a polygon mirror at ultrahigh speed for display of a high resolution image...
7450286 Laser projection apparatus  
A laser projection apparatus includes: laser devices; incident optical systems, each of which is supplied with light beam from the laser device; a scanning device for two-dimensionally scanning the...
7450285 Laser projection apparatus  
A laser projection apparatus PJ includes: laser devices; incident optical systems, each of which is supplied with light beam from the laser device; a scanning device for two-dimensionally scanning...
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...
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...
7414766 Optical beam scanning device having two sets of fθ mirrors where the mirror base and mirror face have differing coefficients of linear expansion  
An optical beam scanning device includes a rotating polygon mirror for scanning a beam from a pre-deflection optical system in a main scanning direction and two mirrors 23, 25 for imaging the...
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...
RE40109 Multi-beam optical scanner  
A multi-beam optical scanner, in which a lateral magnification β in a composite system of an optical system between the light source for a multi-beam and the scanned surface satisfies the...
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...
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...
7274507 Two-mirror telescope with central spider support for the secondary mirror  
A telescope has a primary light mirror structure including a central base, and a concave primary mirror having a central opening in which the central base is received and extending radially...
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...
7265886 Optical scanner and image forming apparatus  
The over-field type optical scanner includes a first imaging optical system disposed between a light source and a rotating polygon mirror for forming, on one surface of the rotating polygon mirror,...
7212324 Optical scanning arrangement and image forming device with the arrangement  
The present invention includes a first plate ( 14 ) and a second plate ( 15 ) which perform a coarse adjustment of a cylinder mirror ( 245 ) by moving the cylinder mirror ( 245 ) linearly in the...
7145706 Image displaying apparatus  
Disclosed is a compact image displaying apparatus which is high in light utilizing efficiency. The image displaying apparatus is provided with a light source, a scanning member for...
7102805 Scanner having scan angle multiplier  
A transmission optical system comprises a concave surface mirror whose reflection surface is directed toward a deflection mirror surface and a transmission lens which is disposed between the...
7023597 Optical scanning device, image reading device provided with this, image forming device, and photographing device  
An image reading device comprising a rotary polygon mirror ( 6 ) for scanning a light flux from a light source ( 1 ), an imaging optical system ( 4 ) for forming on a reflection plane of the mirror...
7012723 Optical scanning device and color image forming apparatus  
By a first image forming optical system ( 42 a to 42 d ), a plurality of light beams from light sources ( 41 a to 41 d ) form linear images on a common deflecting surface ( 46 ) of an optical...
6900917 Laser scanning apparatus  
A laser scanning apparatus includes a light source to emit light fluxes, a first imaging optical system to magnify or reduce the light fluxes emitted from the light source in a given position and...
6894818 Conformal all-reflective beam-steering (CARBS) device  
A conformed all-reflective beam-steering (CARBS) device is provided which is a hybrid of a mirror and one-axis gimbal assembly mounted on a rotating carriage. The CARBS device functions as a...
6895190 Switchable bandwidth lowpass filter  
A novel transceiver is provided which allow for either a transmitter or receiver to be dynamically switched between two different frequency bands by use of a novel switchable lowpass filter.
6888680 Optical arrangement for obtaining information from a sample or an observed object  
An optical arrangement is disclosed for obtaining information from a sample or an observed object which comprises a light source for illuminating the sample or observed object and a reception...
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...
6785029 Optical scanner  
An optical scanner having a simple structure in which the light quantities of a plurality of light beams are not varied by differences in polarization direction among the light beams. The optical...
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...
6678081 Light scanning system  
A light scanning system causes a light spot to scan a surface at a constant speed. The light scanning system includes a light source radiating a light bundle, a deflector which deflects the light...
6657763 Image display apparatus and system  
An image display apparatus includes a scanning unit for scanning a beam by driving a reflecting surface for reflecting a beam from a light source part; an optical element having an incident surface...
RE38165 Laser scanning system with reflecting optics  
A laser beam scanning system which utilizes all reflective optics. The scanning system has a variable scan angle and focal length. The variable focal length in the reflecting optical system is...
6570696 Optical system for scanning and optical scanning apparatus  
An optical system and optical scanning apparatus can form a minute beam spot and big size images. The optical scanning apparatus deflects a beam with a polygon mirror, and focuses the beam on a...
6535317 Light-scanning optical system and image-forming apparatus using it  
A light-scanning optical system and light-scanning apparatus are capable of presenting an image at high speed and with high quality so as to equalize spot sizes throughout an entire surface to be...
6522444 Integrated angled-dual-axis confocal scanning endoscopes  
The present invention provides a novel class of integrated angled-dual-axis confocal scanning endoscopes. An integrated angled-dual-axis confocal scanning endoscope according to the present...
6504639 Optical scanner  
An optical scanner having excellent optical performance and guiding a light beam from one curved mirror directly to a photoconductive drum without requiring a reflecting mirror. The optical scanner...
6426825 Scanning optical system and laser scanning apparatus  
A scanning optical system that images a laser beam on a surface to be scanned, said laser beam being emitted from a light source and deflected by a deflector in order to scan the surface to be...
6366383 Relay optics for a deflection system, and a deflection system  
In relay optics for a deflection system with two scanning devices, each of which changes the angle of a light bundle from a location predetermined separately for each scanning device in a...
6320690 Scanning optical apparatus and laser scanning apparatus  
A scanning optical apparatus is provided with a light source for emitting a light beam, a deflector, and at least two reflecting surfaces. The deflector deflects the light beam emitted from the...
6282008 Scanning optical system  
A compact scanning optical system formed by combining a deflecting mirror and a reflecting optical system so that the central beam of the incident light beam and the central beam of the scanning...
6266174 Multi-beam scanning apparatus with controlled scan line bow  
A multi-beam scanning apparatus comprises a light source unit for emitting a plurality of beams, a beam deflector for deflecting the plurality of beams from the light source unit, and a common...
6262826 Reflective optical imaging method and circuit  
An optical system compatible with short wavelength (extreme ultraviolet) radiation comprising four reflective elements for projecting a mask image onto a substrate. The four optical elements are...
6252695 Multiple wobble correction optical elements to reduce height of raster output scanning (ROS) system  
Two shorter focal length wobble correction optical elements reduce the height of a raster output scanning (ROS) system. The wobble correction optical elements can be two lenses or two mirrors.
6198563 Optical scanning apparatus with improved design flexibility  
An optical scanning apparatus includes a light source unit for emitting a light beam, an image-forming lens for imaging the light beam in a main-scanning direction, a beam deflector for reflecting...
6185029 Optical scanner and electrophotographic printer employing the same  
An optical scanner comprises a light source, a polygon mirror having plural light deflection faces for deflecting a light flux emitted from the light source, a first optical system for introducing...
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.
6166843 Optical scanning system with single element refractive/reflective fθ lens and single element refractive/reflective fθ lens  
A scanning optical system includes a light deflector and a light emitter which emits a beam of light which scans a scanning surface along a main scanning direction. The beam of light emitted by the...
6118591 Imaging optical system for light beam scanning system  
An imaging optical system for a light beam scanning system for causing a light bundle deflected by a deflector to form an image on a predetermined surface to be scanned and causing the image of the...
6091533 Reflection type scanning optical system  
Disclosed is a scanning optical system, which is provided with a light source that emits a light beam, a deflector that deflects the light beam emitted by the light source to scan along a main...
6091534 Compact scanning optical system  
A compact optical system for and method of forming an image on an intermediate image-forming surface such as a photoreceptor drum at a high speed. An image-forming light source such as a laser...
6084706 High efficiency laser pattern generator  
A laser scanner includes an optical relay which reforms an image from a scan lens at a location that provides additional working distance. The optical relay contains primarily reflective elements...
6078420 Hole-coupled laser scanning system  
An all-reflective optical system uses a mirror with a hole to transmit a focused laser beam to an on-axis elliptical mirror. The reflected beam from the ellipse is predominately reflected off the...
Matches 1 - 50 out of 144 1 2 3 >