Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
Optical deflector and beam scanner using the same
 An optical deflector of the present invention comprises: a mirror 20 for reflecting light; a yoke 24 for rotatably holding the mirror 20 via a plate spring 21; a coil 27 and a magnet 27 for rotating the mirror 20 with respect to the yoke 24; a magnet fixing plate 28 for holding the yoke 24; and positioning pins 31a and 31b, a part of which is inserted into the yoke 24, for positioning the yoke 24. The magnet 27 forms a magnetic circuit in the yoke 24. The positioning pins 31 and 31b are made of a magnetic material so as not to obstruct the magnetic circuit formed in the yoke 24. 
Kabushiki Kaisha Toshiba
G
G02B
inventional
Hideki Yuji Masaki Tamane
Ito Suzuki Takahashi Takahara