The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 18, 2005
Filed:
Jun. 12, 2003
Mitsunori Iima, Saitama-ken, JP;
Toshimitsu Saito, Saitama-ken, JP;
Tadashi Minakuchi, Saitama-ken, JP;
Shoji Iwazaki, Tokyo, JP;
Mitsunori Iima, Saitama-ken, JP;
Toshimitsu Saito, Saitama-ken, JP;
Tadashi Minakuchi, Saitama-ken, JP;
Shoji Iwazaki, Tokyo, JP;
PENTAX Corporation, Tokyo, JP;
Abstract
A multi-beam scanning device includes a light source for emitting a plurality of laser beams, a polygon mirror for deflecting the laser beams so that the laser beams scan across an object surface in a main scanning direction, an fθ lens disposed between the polygon mirror and the object surface, and a cylindrical lens that converges each laser beam in a vicinity of the polygon mirror in the auxiliary direction. A mirror is disposed between the light source and the cylindrical lens which deflects the laser beams in the auxiliary scanning direction. The mirror is rotatably supported by a mirror holder such that the traveling direction of the laser beams deflected by the mirror can be adjusted.