Matches 51 - 100 out of 933 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >
Match Document Document Title
7193761 Method of controlling beam scanning timing and beam energy and light beam scanning apparatus using the same  
Disclosed herein is a method of controlling beam scanning timing and beam energy and a light beam scanning apparatus using the method. The light beam scanning apparatus includes a beam generation...
7193760 Optical scanning device and image forming apparatus  
An optical scanning device includes a light source, a pre-deflection optical device for applying a predetermined characteristic to a light beam irradiated from the light source, a light deflection...
7193759 Scanning optical system  
There is provided a scanning optical system, which is provided with a light source that emits at least one beam, a polygonal mirror, and an imaging optical system that converges the at least one...
7182466 Projection optical system and optical system  
A projection optical system includes an optical modulation unit which outputs modulated light for displaying an image, an optical scanning unit on which the modulated light output from the optical...
7164519 Laser processing apparatus and method using polygon mirror  
Disclosed is a laser processing apparatus and method for enhancing processing efficiency of an object by means of a polygon mirror. The laser processing apparatus includes a laser generator...
7154652 Light scanning optical system, image projection apparatus, and image display system  
A light scanning optical system that is capable of increasing a deflection angle without causing optical performance degradation includes a reflection surface for reflecting incident light, a unit...
7149021 Optical scanner and image forming apparatus using the same  
An optical scanner for an image forming apparatus of the present invention includes a polygonal mirror for steering a scanning beam incident thereto and an optical device located in the vicinity of...
7149019 Optical scanning system and image forming apparatus using the same  
Disclosed is an optical scanning system and an image forming apparatus using the same, which is designed to reduce the overall size of the system and to make uniform the light spot diameter in a...
7142340 Optical scanner apparatuses and optical scanning methods  
Aspects of the disclosure relate to optical scanner apparatuses, hard imaging devices, optical scanning methods, and hard imaging scanning methods. In one aspect, an optical scanner apparatus is...
7137560 Optical scanner  
An optical scanner includes a scanner housing including a scan window, a laser light source, reflected light detector and a mirrored polygon spinner. The spinner is arranged to spin around both a...
7136208 Light scanning apparatus and image forming apparatus using the same  
A light scanning apparatus capable of printing with a high quality and an image forming apparatus using the same are obtained. The light scanning apparatus is provided with an incidence optical...
7130097 Image forming apparatus  
There is provided a controller that controls and drives the polygon mirror to a target speed with keeping a predetermined phase. When the controller controls the speed of the polygon mirror along...
7130096 Light beam scanning device and image forming apparatus  
An effective scanning range of laser light in a scanning direction is configured so that a center position of the effective scanning range is displaced by a distance β along the scanning direction...
7126737 Optical scanning apparatus and image forming apparatus  
An optical scanning apparatus includes a light source that emits a light beam, optical systems through which the light beam travels including one that forms a line image, a polygon mirror that...
7118233 Polygon mirror drive motor  
A polygon mirror drive motor according to the present invention comprises a stator and a rotor having a hexahedron-shaped polygon mirror and a rotation drive shaft. The polygon mirror in one...
7104652 Image display device and projector  
To provide an image display device and a projector having a brightness or an excellent utilization efficiency of the light by improving the display performance of a moving picture. A projector...
7099061 Image-forming device and scanning unit for use therein  
A scanning unit for use in an image-forming device includes, for example, four light sources that emit light beams corresponding to yellow, magenta, cyan and black images. The light beams are...
7095541 Method of generating area light source by scanning, scanning area light source and laser projection television using the same  
A method of generating an area light source by scanning, an area light source and a laser projection television using the same. The method comprising the steps of illuminating a light beam onto a...
7075688 Multibeam scanning apparatus  
A multibeam scan apparatus includes a light source having semiconductor laser diodes and coupling lenses arranged in a main scan direction. The semiconductor laser diodes are positioned so that...
7072088 Optical scanning apparatus, multi-beam optical scanning apparatus, and image-forming apparatus  
Provided are compact, high-definition, optical scanning apparatus and multi-beam scanning apparatus capable of keeping the spot size uniform in the sub-scanning direction throughout the entire,...
7072087 Optical scanning apparatus  
An optical scanning apparatus includes a rotatable polygonal mirror for deflecting first and second laser beams, which are incident on the polygonal mirror at diff(rent positions with respect to a...
7071931 Image capture device with projected display  
An image capture device includes provision for projecting indicia onto an object surface. For a scanned beam image capture device, the image may be projected from the scan engine. The light source...
7057782 Optical scanner and color image forming apparatus using the same  
The present invention has an object to provide a highly accurate optical scanner of a simple construction which permits reduction of jitter caused by a division error of the deflection surface of a...
7057781 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...
7057780 Optical scanning device and image forming apparatus using the same  
An optical scanning device of the present invention includes a plurality of light source units each including two semiconductor lasers and two coupling lenses respectively associated with the...
7054047 Polygon mirror and optical scanning device having the same  
A polygon mirror including a plurality of reflection surfaces. Each reflection surface has a writing region and two non-writing regions. The writing region includes a first reflecting section and a...
7038825 Optical deflection device and optical scanning apparatus equipped therewith  
An optical deflection device includes a rotor unit having a rotary polygon mirror and a magnet, a dynamic pressure bearing having a rotary bearing member rotatably supporting the rotor unit and a...
7034972 Optical scanning device and image forming apparatus using the optical scanning device  
An optical scanning device has an incident optical system that makes a light beam emitted from a light source unit enter to a deflection surface of an optical deflector in a state in which 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...
7019878 Optical deflector and optical scanner having the optical deflector  
The present invention provides an optical deflector capable of reducing a rise in heat of integrated circuits and a housing without increasing noises caused by a wind sound of a rotative polygon...
7016093 Optical scanning apparatus and image forming apparatus  
In an optical scanning apparatus, a light beam emitted from a light source is deflected and scanned by a light deflecting member, and then scanned and imaged with substantial speed uniformity onto...
7012725 Polygon mirror, deflecting apparatus, image forming apparatus and method of manufacturing the polygon mirror  
There is provided a polygon mirror comprising a mirror body shaped in a regular polygon and having circumferential surfaces, a top surface and a bottom surface, a reflection surface formed on each...
7009746 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...
7006269 Multi-beam scanning device  
A multi-beam scanning device includes a multi-beam light source unit that emits a plurality of light beams having different wavelengths. The light beams are aligned in a main scanning direction....
7002718 Optical deflection device, image printing apparatus, and optical deflection device manufacturing method  
This invention relates to an optical deflection device capable of obtaining sufficient durability without any positional error of a polygon mirror even when the rotational speed of the polygon...
6999218 Light scanning apparatus and image forming apparatus  
A width in a main scanning direction of a laser beam is decreased in the outside of an effective scanning region in such a manner that the width along the main scanning direction of the laser beam...
6995888 Optical scanning device  
An optical scanning device has a polygon mirror unit which is housed in a dust proof chamber and mounted on a mount configured so as to prevent generation of turbulence of a current of air that is...
6992807 Optical scanning apparatus and image forming apparatus using the same  
This invention provides an optical scanning apparatus in which the degree of sensitivity of the bending of a scanning line on a surface to be scanned resulting from the disposition error of a...
6980343 Optical scanning apparatus and image forming apparatus using the same  
In an optical scanning apparatus having a light source, an incidence optical system for causing a beam emitted from the light source to be incident on a deflector, an imaging optical system for...
6980340 Rotary deflector, optical scanning unit and image forming apparatus  
The inventive device reduces noises and stabilizes the image quality of an image forming apparatus by reducing vibration thereof by reducing vibration of a driving source itself within a preset...
6961163 Scanning optical system  
A scanning optical system includes a light source that emits a plurality of beams, a polygonal mirror that deflects the plurality of beams emitted by the light source to scan within a predetermined...
6958839 Scanning optical system  
A scanning optical system is configured to include a light source, an anamorphic optical element, a polygonal mirror, and an imaging optical system. The imaging optical system has a scanning lens...
6958838 Laser scanning unit  
A laser scanning unit is provided comprising a polygon mirror that deflects light beams respectively emitted by a plurality of light sources, an image focusing system that respectively focuses an...
6956686 Scanning optical system  
A scanning optical system includes a light source, an anamorphic optical element, a polygonal mirror, and an imaging optical system that converges the beam(s) on a surface to be scanned. The...
6956685 Multi-beam scanner, multi-beam scanning method, synchronizing beam detecting method and image forming apparatus  
A multi-beam scanner includes light sources, a deflector deflecting the beams emitted from the light sources at an equiangular velocity, a scanning image-forming optical system guiding the...
6954296 Scanning optical system  
A scanning optical system is provided with a light source, a polygonal mirror, and an imaging optical system that converges the at least one beam deflected by the polygonal mirror. The imaging...
6954295 Light scanning optical system, optical scanning apparatus and image forming apparatus using the same  
In a light scanning optical system having a first optical system for causing a beam emitted from light source means to be incident on the deflecting surface of a light deflector at a predetermined...
6943927 Optical scanning apparatus, multi-beam optical scanning apparatus, and image-forming apparatus  
Provided are compact, high-definition, optical scanning apparatus and multi-beam scanning apparatus capable of keeping the spot size uniform in the sub-scanning direction throughout the entire,...
6937376 Scanning optical system  
There is provided a scanning optical system which includes a light source, a line-like image forming optical system, a polygonal mirror, and an imaging optical system. The line-like image forming...
6937374 Scanning optical system  
A scanning optical system includes a polygonal mirror that deflects the even number of beams, which are incident thereon along optical paths arranged symmetrically with respect to a plane...
Matches 51 - 100 out of 933 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >