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Class Information
Number: 359/203
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) > Plural moving scanning elements > Having a common axis of rotation
Description: Subject matter wherein the multiple elements revolve around the same line.

Patents under this class:
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Patent Number Title Of Patent Date Issued
7474451 Optical scanning device, image forming apparatus, and method of reducing noises in optical scanning device Jan. 6, 2009
7471434 Optical scanning device and image forming apparatus Dec. 30, 2008
7453619 Rotary optical delay line Nov. 18, 2008
7379221 Laser scanner and image forming apparatus using it May. 27, 2008
7310176 Light deflector using torsional rotation about two axes Dec. 18, 2007
7307650 Arrangement for, and a method of, reducing image distortion due to electrical interference Dec. 11, 2007
7286273 Light deflecting device Oct. 23, 2007
7158295 Apparatus and method for determining directional transport processes Jan. 2, 2007
7106482 Scanning apparatus Sep. 12, 2006
7090359 Scrolling unit, color illuminating system, and projection system using the scrolling unit Aug. 15, 2006
7046412 Scanning optical delay line using a reflective element arranged to rotate May. 16, 2006
7038821 Scanning apparatus May. 2, 2006
7009752 Actively-supported multi-degree of freedom steerable mirror apparatus and method Mar. 7, 2006
7002717 Apparatus for beam deflection Feb. 21, 2006
6879419 Laser scanner with peripheral scanning capability Apr. 12, 2005
6843568 Projection apparatus Jan. 18, 2005
6839156 Laser scanning unit and electrophotographic image forming apparatus adopting the same Jan. 4, 2005
6813050 Rotary mirror array for fast optical tomography Nov. 2, 2004
6735003 Method and apparatus for reducing artifacts in an imaging system May. 11, 2004
6687033 Optical scanning device Feb. 3, 2004
6628446 High-resolution reading and writing using beams and lenses rotating at equal or double speed Sep. 30, 2003
6522443 High-resolution writing using beams and lenses rotating at equal or double speed Feb. 18, 2003
6466352 High-resolution reading and writing scan system for planar and cylindrical surfaces Oct. 15, 2002
6437896 Device for deviating electromagnetic rays or radiation beams in the optical spectral domain Aug. 20, 2002
6292285 Single rotating polygon mirror with v-shaped facets for a multiple beam ROS Sep. 18, 2001
6288818 Optical scanning apparatus Sep. 11, 2001
6278538 Optical scanner Aug. 21, 2001
6262815 Image sensor Jul. 17, 2001
6222663 High duty cycle scanner for laser printer Apr. 24, 2001
6219168 Single rotating polygon mirror with adjacent facets having different tilt angles Apr. 17, 2001
6211988 Optical device for scanning a beam in two axes that are substantially perpendicular to each other Apr. 3, 2001
6120976 Laser ablated feature formation method Sep. 19, 2000
6057915 Projectile tracking system May. 2, 2000
6055083 Optical scanning unit module and optical scanning system adopting the same Apr. 25, 2000
6052211 Compact multiple-beam scanning optical system Apr. 18, 2000
6007208 Miniature scanning confocal microscope Dec. 28, 1999
5995265 Method and apparatus for treating a surface with a scanning laser beam having an improved intensity cross-section Nov. 30, 1999
5907423 Scanning optical delay device having a helicoid reflecting mirror May. 25, 1999
5886806 Scanning optical delay device having a helicoid reflecting mirror Mar. 23, 1999
5867298 Dual format pre-objective scanner Feb. 2, 1999
5861977 Dual format dual resolution scanner with off-axis beams Jan. 19, 1999
5805325 Inertially stabilized mirror system Sep. 8, 1998
5793514 Optical scanner for finite conjugate applications Aug. 11, 1998
5764398 Optical reader with vibrating mirror Jun. 9, 1998
5742420 Optical scanner for generating scanning lines on all sides of an object Apr. 21, 1998
5661586 Optical positioning system for at least one picture element Aug. 26, 1997
5650871 Single element optics for passive facet tracking Jul. 22, 1997
5650869 Point relay scanner utilizing ellipsoidal mirrors Jul. 22, 1997
5629790 Micromachined torsional scanner May. 13, 1997
5610752 Optical reader with vibrating mirror Mar. 11, 1997

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