Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yoshihiro Takahashi0
Kensuke Masuda0
Tomotaka Takamura0
Yukio Itami0
Date of Patent
October 13, 2009
Patent Application Number
12370019
Date Filed
February 12, 2009
Patent Citations Received
Patent Primary Examiner
Patent abstract
An optical deflector includes a rotary body including a polygon mirror; a rotation shaft fixed to the rotary body; a bearing unit rotatably supporting the rotation shaft; and a board to which the bearing unit is fixed. Where P [rpm] is the number of revolutions of the rotary body, l [m] is a distance between a center of gravity of the rotary body and the board, m [kg] is mass of the rotary body, r [m] is a radius of the rotation shaft, E [Pa] is Young's modulus of the rotation shaft, and t [mm] is a thickness of the board, the following inequalities are satisfied:
Timeline
No Timeline data yet.
Further Resources
No Further Resources data yet.
