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Browse by Category: Main > Optical & Optics
Class Information
Number: 359/217
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
Description: Subject matter wherein the faces or sides of the reflective element are parallel to the axis of rotation.










Sub-classes under this class:

Class Number Class Name Patents
359/219 Having five or fewer facets 54
359/218 Having six, seven, or eight facets 220


Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
7466331 Bow-free telecentric optical system for multiple beam scanning systems Dec. 16, 2008
7375847 Optical scanning device and image forming apparatus using the same May. 20, 2008
7355773 Optical scanning apparatus and image forming apparatus using same Apr. 8, 2008
7312920 Confocal microscope Dec. 25, 2007
7193762 Scanning optical apparatus and image forming apparatus using the same Mar. 20, 2007
7182466 Projection optical system and optical system Feb. 27, 2007
6934062 Scanning optical system Aug. 23, 2005
6903858 Optical scanning device with air current rectifying mechanism Jun. 7, 2005
6873466 Scanning optical system Mar. 29, 2005
6859329 Scanning type display optical system and scanning type image display apparatus Feb. 22, 2005
6847474 Optical scanning device, scanning optical system, scanning imaging optical component, optical scanning method, ghost image preventing method and image forming apparatus Jan. 25, 2005
6822774 Optoelectronic device Nov. 23, 2004
6798549 Multi-beam scanning optical system and image forming apparatus using it Sep. 28, 2004
6795222 Multi-beam scanning optical system and image forming apparatus using it Sep. 21, 2004
6738172 Rotating multi-faceted mirror for an optical scanning apparatus May. 18, 2004
6735003 Method and apparatus for reducing artifacts in an imaging system May. 11, 2004
6693733 Polygonal mirror fixing device Feb. 17, 2004
6683707 Scanning optical apparatus and image forming apparatus using the same Jan. 27, 2004
6680789 Optical scanning device Jan. 20, 2004
6667820 Multi-beam scanning optical system and image forming apparatus using it Dec. 23, 2003
6643043 Scanning optical device and image forming apparatus Nov. 4, 2003
6633423 Scanning optical system and image forming apparatus using the same Oct. 14, 2003
6624920 Optical scanning device, scanning optical system, scanning imaging optical component, optical scanning method, ghost image preventing method and image forming apparatus Sep. 23, 2003
6556332 Optical scanner and image forming apparatus using the same Apr. 29, 2003
6532095 Optical scanner Mar. 11, 2003
6476955 Multi-beam scanning optical system and image forming apparatus using it Nov. 5, 2002
6473216 Optical scanner Oct. 29, 2002
6462853 Optical scanning device Oct. 8, 2002
6421157 Optical deflection apparatus, production method and adhering method thereof Jul. 16, 2002
6400485 Air-dynamic bearing apparatus and polygon scanner motor Jun. 4, 2002
6359717 Optical scanning apparatus and scanning image forming lens Mar. 19, 2002
6347004 Optical scanning apparatus and scanning image forming lens Feb. 12, 2002
6304360 Optical scanning device Oct. 16, 2001
6239894 Scanning optical system and image forming apparatus using the same May. 29, 2001
6185029 Optical scanner and electrophotographic printer employing the same Feb. 6, 2001
6185027 Monitoring optical system for scanning optical device Feb. 6, 2001
6178031 Raster output scanning system having scan line non-linearity compensation means Jan. 23, 2001
6172788 Light scanning device, optical device, and scanning method of optical device Jan. 9, 2001
6169623 Raster output scanner with a field replaceable collimator assembly Jan. 2, 2001
6154303 Laser scanning system Nov. 28, 2000
6151152 Reference frequency and facet to facet error correction circuit Nov. 21, 2000
6140979 Scanned display with pinch, timing, and distortion correction Oct. 31, 2000
6137617 Optical scanner, and image reading apparatus and image forming apparatus using the same Oct. 24, 2000
6130768 Scanning image forming lens and optical scanning apparatus Oct. 10, 2000
6115165 Optical scanning apparatus Sep. 5, 2000
6104520 Laser scanning optical system and image forming apparatus using the same Aug. 15, 2000
6104523 Dual beam double pass raster output scanner Aug. 15, 2000
6084696 Laser scanning optical system Jul. 4, 2000
6067182 Optical scanning device May. 23, 2000
6064130 Motor having dynamic pressure bearing, and rotator device having the motor as driving source May. 16, 2000

1 2 3 4 5 6 7










 
 
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