Title: Scanner motor combined with polygon mirror in laser scanning unit
Application Number: 98120346 Application Date: 1998.08.30
Publication Number: 1211753 Publication Date: 1999.03.24
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: G03G15/04
Applicant(s) Name: Samsung Electronics Co., Ltd. Address:
Inventor(s) Name: Dong-Hoon Park
Attorney & Agent: zhang shegao
Abstract:
    The present invention provides a motor with a polygon mirror for a laser scanning unit of a laser scanning apparatus of an electrophotographic device. The motor includes: a printed circuit board for controlling the laser scanning unit, wherein different elements arranged on the printed circuit board are connected by leads; a bearing support, which is used for supporting a bearing installed at the inner portion of the bearing, installed on the printed circuit board; a rotary shaft installed at the inner portion of the bearing so that the rotary shaft is enabled to rotate; a plurality of stators fixed on the board wherein each of the stators comprises a stator loop to coil; and a rotor being at its center fixed to the rotary shaft and carrying a plurality of permanent magnets being installed at a inner surface of the rotor wherein the polygonal mirror is formed as a reflection area on the outer surface of the rotor.
Time: 8