Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Optical & Optics
Class Information
Number: 359/218
Name: Optical: systems and elements > Deflection using a moving element or medium (offsetting or changing at least a portion of the beam) > Using a periodically moving element (periodic change of optically reflecting, refracting or diffracting element) > Including reflective type moving element > Having multifaceted rotating element > With facets parallel to rotation axis > Having six, seven, or eight facets
Description: Subject matter wherein the element has more than five facets and less than nine facets.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
7355773 Optical scanning apparatus and image forming apparatus using same Apr. 8, 2008
6735003 Method and apparatus for reducing artifacts in an imaging system May. 11, 2004
6511186 Focus and aim device and method for image projection Jan. 28, 2003
6185029 Optical scanner and electrophotographic printer employing the same Feb. 6, 2001
6118568 Polygon mirror motor and polygon mirror supporting structure Sep. 12, 2000
6104523 Dual beam double pass raster output scanner Aug. 15, 2000
6084696 Laser scanning optical system Jul. 4, 2000
6057953 Dual beam double pass raster output scanner May. 2, 2000
5986793 Optical apparatus Nov. 16, 1999
5962838 Barcode scanner with manually switchable scan patterns Oct. 5, 1999
5946124 Laser scanning unit having a noise reducing portion Aug. 31, 1999
5801870 Light exposure and illuminating apparatus Sep. 1, 1998
5757535 Optical scanner May. 26, 1998
5621562 Optical Scanning device Apr. 15, 1997
5619363 Laser optical system Apr. 8, 1997
5617133 Method and apparatus for adjusting orientation of light beams in a raster scanning system Apr. 1, 1997
5596444 Optical apparatus having laser beam diameter variable according to image data Jan. 21, 1997
5521763 Optical device May. 28, 1996
5506719 Optical scanning device Apr. 9, 1996
5486945 Optics for passive facet tracking Jan. 23, 1996
5461505 Polygon mirror Oct. 24, 1995
5438446 Uniform reflectance optical mirror Aug. 1, 1995
5418638 Apparatus for detecting light focus position May. 23, 1995
5387996 Method of obtaining a narrow field of view scan Feb. 7, 1995
5381259 Raster output scanner (ROS) using an overfilled polygon design with minimized optical path length Jan. 10, 1995
5373391 Polygon mirror with embedded yoke Dec. 13, 1994
5343326 Compact ros imaging system Aug. 30, 1994
5340982 Symbol reading device for varying the focal point of a scanning laser beam through variance of scanning laser beam optical path length Aug. 23, 1994
5317444 Light scanning apparatus May. 31, 1994
5301060 Optical element Apr. 5, 1994
5293266 Optical beam scanning apparatus Mar. 8, 1994
5267075 Optical unit for use in laser beam printer apparatus Nov. 30, 1993
5245481 Optical unit and method of fixing optical elements in optical unit Sep. 14, 1993
5239403 Optical deflector device for deflecting laser beam Aug. 24, 1993
5233454 Image forming reflecting mirror for constant speed optical scan and optical scanner Aug. 3, 1993
5221986 Scanning image-forming lens system and optical scanner Jun. 22, 1993
5212581 Microfilm scanning apparatus May. 18, 1993
5206754 Moisture condensation prevention structure for laser scanning optical system Apr. 27, 1993
5206755 Optical beam scanner Apr. 27, 1993
5194994 Mirror installation in an optical device Mar. 16, 1993
5193013 Scanner with non-linearity compensating pixel clock Mar. 9, 1993
5191463 Scanning optical system in which a ghost image is elminated Mar. 2, 1993
5184246 Scanning of moving objects using unique polygon mounted on carousel which rotates at twice polygon's speed Feb. 2, 1993
5182668 Optical beam scanning system having an image-forming system for reshaping a light beam to be applied to a scanning reflector Jan. 26, 1993
5179465 Optical system for light beam scanning Jan. 12, 1993
5177632 Tracking system using a polygon of unique dimension or arbitrary polygon combined with sensors Jan. 5, 1993
5173798 Beam scanning apparatus with sensor for detecting beam position Dec. 22, 1992
5151811 Light deflecting apparatus Sep. 29, 1992
5149969 Infrared surveillance device Sep. 22, 1992
5142403 ROS scanner incorporating cylindrical mirror in pre-polygon optics Aug. 25, 1992

1 2 3 4 5










 
 
  Recently Added Patents
System and method for agitation of multiple specimen containers
Touch panel structure and manufacturing method thereof
Apparatus for electrographic printing or copying
Motilin-like peptide compound having transmucosal absorbability imparted thereto
Method for spore detection
Electrical converter with variable capacitor
Charging seat having cleaning member
  Randomly Featured Patents
Multiple unit material processing apparatus
Polishing plate for optical fiber connector ferrule end face and polishing apparatus therefor
Packet relaying apparatus and relaying method with next relaying address collation
Gear
Foldable cross-patterned pull-handle and bag having the same
Method for prevention of platelet aggregation employing and RGD-enriched gelatine-like protein
Power line communication system utilizing a local oscillator
Self advancing support chocks
Absorbent article composition for sequestering skin irritants
Device for remote metering