Matches 151 - 200 out of 933 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >
Match Document Document Title
6757088 Laser scanning unit  
A laser scanning unit disclosed in the present invention is intended to form an image on a photo-sensitive drum by generating laser beams in a facsimile unit, a copying machine and a printer using...
6756583 Optical scanning device and image forming apparatus wherein the light source is kept continuously lit between line scans  
An optical scanning device includes a first optical system, including a light source, for directing a light beam, emitted from the light source, to an optical deflector. A second optical system...
6738172 Rotating multi-faceted mirror for an optical scanning apparatus  
A rotating multi-faceted mirror of an optical scanning apparatus is disclosed having a plurality of planar reflective surfaces that deflect and scan a light beam incident thereon. Edges, formed as...
6735007 Optoelectronic device  
An optoelectronic device detects labels provided with contrasting patterns. A transmitter emits light rays, and a receiver receives the light rays. The receiver includes a receiver output for...
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...
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...
6731417 Scanning optical system  
A multi-beam scanning optical system is provided with a plurality of light sources that emit a plurality of laser beams having different wavelengths, respectively, a single deflector which deflects...
6728015 Bar code reader  
A bar code reader having two reading windows, i.e., a bottom window and a side window. An increased number of scanning lines are used for constituting scanning patterns for scanning bar codes, and...
6717705 Scanning optical system  
A scanning optical system is provided with a light source that emits at least one beam, an anamorphic optical element that converges the at least one beam in an auxiliary scanning direction, a...
6717704 Optical scanning system  
An optical scanning system for scanning a plurality of light beams on scanned surfaces, such as photosensitive drums, includes a light source, a front optical system, a deflector (e.g., a rotating...
6714332 Scanning optical system  
There is provided a scanning optical system, which is provided with a light source, a cylindrical lens that converges the beam emitted by the light source in an auxiliary scanning direction, a...
6704152 Light irradiating device, optical pickup device with the same, method of adjusting light irradiating device  
Disclosed herein is a light irradiating device, optical pickup device with the same, and method of adjusting the light irradiating device. The light irradiating device has a light emitting device,...
6704129 Optical scanning apparatus capable of reducing variations in shading and improving light usage  
An optical scanning apparatus reduces shading and variations in light intensity and significantly increases light usage during an optical scanning process using a simple construction in which a...
6700687 Optical scanning device  
An optical scanning device directs a light beam emitted from a light source to a mirror of a mechanical deflector through a first optical system, deflects the light beam in a main scanning...
6697183 Light beam scanning apparatus and image forming system incorporating such apparatus  
A light beam scanning apparatus is provided having a light source for emitting light beams, a first optical unit for optically coupling the light beams, a second optical unit for converging the...
6697181 Optical scanning device, image forming apparatus and optical scanning method  
A coupling lens couples a light flux from a light source to form a parallel light flux, a convergent light flux or a divergent light flux. An optical deflector includes a deflective reflection...
6693733 Polygonal mirror fixing device  
A polygonal mirror fixing device comprising a rotary body, to which a polygonal mirror is adapted to be mounted, has a mounting circumferential surface in a center opening of the polygonal mirror...
6690498 Laser scanning unit  
A laser scanning unit disclosed in the present invention is intended to form an image on a photo-sensitive drum by generating laser beams in a facsimile unit, a copying machine and a printer using...
6690497 Optical scanner and image forming apparatus using the same  
A light scanner in which, when forming an image on a scan surface by a scanning optical device through a deflector using light from a light source device, the scanning optical device includes first...
6690496 Multi-beam scanning device  
The multi-beam scanning device includes first and second light emitting elements that emit first and second light beams, respectively, a polygon mirror that deflects the first and second light...
6687033 Optical scanning device  
An optical scanning device has a light transmitter and a light receiver which are arranged in spatial proximity to one another and which each comprise a deflecting device with which a scanning...
6683708 Multi-beam exposure unit  
This invention has as its object to provide an image forming apparatus which can provide a color image free from any color misregistration with low cost, and a light scanning unit suitable for the...
6680789 Optical scanning device  
An optical scanning device comprises a rotary polygonal mirror which performs deflection scanning of a light beam emitted from a light source; and an annular member which is disposed around the...
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...
6667822 Scanning optical system and image forming apparatus using the same  
A scanning optical system less subject to the effect of decentering of an optical element and having improved optical performance on a scanning surface is provided. The ratio of Ra and Rs satisfies...
6667820 Multi-beam scanning optical system and image forming apparatus using it  
Provided are a multi-beam scanning optical system capable of implementing high-quality printing in relatively simple structure and at high speed, and an image forming apparatus using it. The...
6665103 Optical scanning apparatus and image forming apparatus using the same  
An optical scanning apparatus includes a deflector for deflecting a beam emitted from a light source, and scanning optical system having at least one scanning lens for causing the beam deflected by...
6661551 Optical scanner  
An optical scanner comprises a light source, a reflection mirror, deflection device, and an f·θ lens fixed to a plate-shaped bracket. The optical scanner is characterized in that a luminous flux...
6661550 Method of fixing polygon mirror and polygon scanner motor  
A polygon scanner motor has a polygon mirror having an outer periphery, a mirror surface for scanning light arranged around the outer periphery, and a setting hole having an inner periphery. A...
6654151 Image projector  
In an image projector for forming a visible image on an object, a light beam projector projects a light beam, and a deflector changes frequently a proceeding direction of the projected light beam...
6650454 Multi-beam scanning optical system and image forming apparatus using the same  
A multi-beam scanning optical system includes a plurality of light sources, a deflecting unit which deflects a plurality of laser beams emitted from the light sources, and a scanning optical unit...
6648482 Polygon mirror and method of manufacturing the same, optical scanner and electrophotograph  
A polygon mirror that can be manufactured at low cost and high productivity and a method of manufacturing the same, a polygon mirror that can be manufactured at low cost and presents little...
6643044 Scanning optical system  
In a scanning optical system, which is provided with an imaging optical system having first and second anamorphic optical elements to converge a deflected light beam from a deflector onto an object...
6639704 Scanning optical apparatus, and image forming apparatus using the same  
A scanning optical apparatus which includes incident optical system for causing at least one light beam emitted by light source onto a deflector, and image forming optical system, having at least...
6633424 Optical scanning device and image forming apparatus using the same  
An optical scanning device of the present invention includes at least one reflecting member intervening between a deflecting surface and a surface to be scanned. The device of the present invention...
6633423 Scanning optical system and image forming apparatus using the same  
A scanning optical system includes a first optical system for shaping a light beam emitted from a light source and forming the light beam into a linear image elongated in the same direction as a...
6628444 Scanning optical device and image forming apparatus having the same  
A scanning optical device has a first light source unit for generating a plurality of light beams, a second light source unit for generating at least one light beam, and a deflecting scanner for...
6628443 Optical scanner  
A multi-beam optical scanner includes shaping optics ( 42 ) by which a plurality of light beams issued from light emitting portions ( 41 1 , 41 2 ) are shaped to be substantially parallel in a...
6621610 Light deflective optical system  
The present invention relates to a light deflective optical system without necessity of use of a plane mirror of which width is narrow, which can prevent variation in pitch of scan lines even with...
6621609 Light beam display  
A laser beam display includes at least a first and second plurality of laser beam sources, each of which may preferably be an array of semiconductor lasers, providing a plurality of laser beams in...
6621608 Scanning optical apparatus  
An object of the present invention is to provide a scanning optical apparatus that has a light source emitting a light beam deflecting and scanning device for deflecting and scanning the light beam...
6619802 Multi-stripe scrolling for color projection  
A multi-stripe scrolling apparatus has a beam splitter ( 13 ) that internally reflects white light onto a movable array of holographic elements ( 30, 32, 34 ) that respectively emit three different...
6606179 Optical scanning device, line-image forming optical system therein, imaging adjustment method in the device and image forming apparatus  
A light source emitting a light flux; a coupling optical system couples the light flux from the light source to a subsequent optical system by transforming it into a parallel light flux, an...
6603589 Circular scanning patterns  
A method to compare similar physical areas of an inspection area using a scanning arrangement. The inspection area has a periodic pattern having a repeat vector. The scanning arrangement has a...
6600152 Device for treating a substrate having a rotating polygonal mirror with inclined faces and a system of adjacent focusing lenses  
A device for treating a substrate with laser radiation is described. The device has a rotating polygon mirror with N reflecting surfaces which are used to direct a laser beam via a system of...
RE38195 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...
6597486 Semiconductor laser and optical system having a collimator lens  
An optical system includes a semiconductor laser. The semiconductor laser is accommodated within a case. The case is formed with a window to pass through laser light emitted from the semiconductor...
6590688 Optical scanning apparatus and image forming apparatus using the same  
An optical scanning apparatus includes an incidence optical system for causing a beam emitted from a light source to be incident on a deflector, and a scanning optical system for causing the beam...
6583913 Multibeam scanner  
A multibeam scanner for scanning an image area with a plurality of laser beams, comprising a plurality of beam emitting points that emit a plurality of laser beams reaching the image area with...
6583912 Display system with light-emitting elements  
A display system comprises a linear array of light-emitting elements which can be driven in accordance with image information to be displayed, and a reflecting element provided with a reflecting...
Matches 151 - 200 out of 933 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >