Fitzpatrick, Cella, Harper & Scinto
Rotary apparatus and deflection-scanning apparatus using the rotary apparatus
 A rotary apparatus includes a stator portion, a rotor portion rotatably supported by the stator portion and including a permanent magnet, a ring-shaped stator core arranged opposingly to the permanent magnet and including a plurality of electromagnetic coils wound around a plurality of locations of the stator core discretely existing along its circumferential direction, and a ring member for supporting a free end of the stator core. 
Canon Kabushiki Kaisha
G
G02B
inventional
Yasuo Taku
Suzuki Fukita