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Class Information
Number: 359/219
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 five or fewer facets
Description: Subject matter wherein the element has less than six facets.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7118233 |
Polygon mirror drive motor |
Oct. 10, 2006 |
| 6937376 |
Scanning optical system |
Aug. 30, 2005 |
| 6833940 |
Method and apparatus for optical scanning capable of performing a high speed and high pixel density scanning |
Dec. 21, 2004 |
| 6735003 |
Method and apparatus for reducing artifacts in an imaging system |
May. 11, 2004 |
| 6583913 |
Multibeam scanner |
Jun. 24, 2003 |
| 6543694 |
Extended coverage barcode scanner |
Apr. 8, 2003 |
| 6449036 |
Sensor unit, process and device for inspecting the surface of an object |
Sep. 10, 2002 |
| 6185029 |
Optical scanner and electrophotographic printer employing the same |
Feb. 6, 2001 |
| 6094287 |
Wobble correcting monogon scanner for a laser imaging system |
Jul. 25, 2000 |
| 5986793 |
Optical apparatus |
Nov. 16, 1999 |
| 5982527 |
Inertial stabilization of rotational optical scanners |
Nov. 9, 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 |
| 5621561 |
Laser scanner incorporating variable focus mechanism for rapidly changing beam spot size |
Apr. 15, 1997 |
| 5619363 |
Laser optical system |
Apr. 8, 1997 |
| 5453870 |
Optical scanning system |
Sep. 26, 1995 |
| 5387996 |
Method of obtaining a narrow field of view scan |
Feb. 7, 1995 |
| 5373390 |
Optical scanning system |
Dec. 13, 1994 |
| 5363231 |
Light deflecting device |
Nov. 8, 1994 |
| 5315428 |
Optical scanning system comprising optical chopper |
May. 24, 1994 |
| 5309274 |
Optical beam scanning apparatus |
May. 3, 1994 |
| 5286961 |
Bar code reader producing two groups of vertical scan lines and two groups of inclined scan lines on a plane normal to the read window |
Feb. 15, 1994 |
| 5239403 |
Optical deflector device for deflecting laser beam |
Aug. 24, 1993 |
| 5235454 |
Light beam scanner |
Aug. 10, 1993 |
| 5196956 |
Beam deflector and laser beam printer using only two inclined reflecting surfaces |
Mar. 23, 1993 |
| 5194981 |
Light scanning apparatus |
Mar. 16, 1993 |
| 5179271 |
Compact optical scan pattern generator for bar code reading systems |
Jan. 12, 1993 |
| 5179464 |
Polygonal mirror with a reflection film and method for manufacturing the same |
Jan. 12, 1993 |
| 5157532 |
Post-objective type optical scanner |
Oct. 20, 1992 |
| 5153608 |
Skew and bow correction system for an image scanner |
Oct. 6, 1992 |
| 5136416 |
Optical scanning unit for use in laser beam printer or the like |
Aug. 4, 1992 |
| 5124830 |
Optical deflector device for deflecting laser beam |
Jun. 23, 1992 |
| 4848862 |
Laser beam scanner |
Jul. 18, 1989 |
| 4828375 |
Lens for scanning devices |
May. 9, 1989 |
| 4782228 |
High efficiency optical scanner with multiplexing means |
Nov. 1, 1988 |
| 4560862 |
System for optical scanning over a large depth of field |
Dec. 24, 1985 |
| 4527055 |
Apparatus for selectively viewing either of two scenes of interest |
Jul. 2, 1985 |
| 4516024 |
Automatically adjustable aperture stop for optical scanning system |
May. 7, 1985 |
| 4460240 |
Semiconductor laser scanning system |
Jul. 17, 1984 |
| 4444457 |
Process and device for the production of a telecentric light beam and use of the process |
Apr. 24, 1984 |
| 4418989 |
Apparatus for shifting the wavelength of light |
Dec. 6, 1983 |
| 4241257 |
Scanning microscopic apparatus |
Dec. 23, 1980 |
| 4215912 |
High speed scanning device for scanning the same area plural times by a beam deflected by a single deflecting surface |
Aug. 5, 1980 |
| 4196961 |
Optical apparatus for correcting the spherical aberration of a spherical concave mirror |
Apr. 8, 1980 |
| 4170398 |
Scanning microscopic apparatus with three synchronously rotating reflecting surfaces |
Oct. 9, 1979 |
| 4165149 |
Device for scanning an object with a light beam |
Aug. 21, 1979 |
| 4124269 |
Scanning system with improved radiation energy collecting capabilities |
Nov. 7, 1978 |
| 4121883 |
Scanning device for radiation beams |
Oct. 24, 1978 |
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