Title:
レーザスキャナ及びそれを適用する画像形成装置
Document Type and Number:
Japanese Patent JP4566723
Kind Code:
B2
Abstract:
A laser scanner comprises a laser driver (101A,101B) which emits two different laser beams (103A,103B) by one main-scanning line in correspondence with an input image signal, and two torsion mirrors (102A,102B) to reflect the two different laser beams emitted from the laser beam emission means to scan the laser beams on an opposite photosensitive member (104). The two torsion mirrors conduct a reciprocal torsion movement in mutual opposite phases in synchronization with each other, and the laser beams reflected from the respective torsion mirrors are emitted alternately by one main-scanning line. Thus a laser scanner which enables image formation upon backward movement of the torsion mirror with a simple structure to increase the resolution and realize highspeed image formation, and an image forming apparatus to which the laser scanner is applied can be provided.
Inventors:
Satoshi Saito
Application Number:
JP2004355889A
Publication Date:
October 20, 2010
Filing Date:
December 08, 2004
Export Citation:
Assignee:
Canon Inc
International Classes:
G02B26/10; B41J2/44; H04N1/113
Domestic Patent References:
| JP2000275549A |
Attorney, Agent or Firm:
Yasunori Otsuka
Shiro Takayanagi
Yasuhiro Otsuka
Shuji Kimura
Osamu Shimoyama
Nagakawa Yukimitsu
Shiro Takayanagi
Yasuhiro Otsuka
Shuji Kimura
Osamu Shimoyama
Nagakawa Yukimitsu