Patent ID: 6069727
Filing Date: 2000-05-30
Classification: G02B

Abstract:
A laser scanning unit comprising:a laser diode for emitting laser beams;a photo-sensitive drum for receiving the laser beams emitted by said laser diode;means for deflecting the laser beams toward said photo-sensitive drum, which is disposed between said laser diode and said photo-sensitive drum, said deflecting means including means for reflecting the laser beams emitted from said laser diode toward said photo-sensitive drum at a predetermined angle; means for rotating said reflecting means at a range of predetermined angles with respect to said photo-sensitive drum; and means for supporting said reflecting means so that said reflecting means can be rotated,wherein said supporting means includes a base and said reflecting means is rotated about a central axis which is parallel with said base,wherein said rotating means includes a plurality of first electrodes which are attached to a surface of a base of said supporting means and separated at a predetermined distance from each other; and a plurality of second electrodes which are attached to a surface of said reflecting means and separated at the predetermined distance from each other, wherein said first electrodes are positioned to be opposite to said second electrodes respectively.