The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 14, 1999
Filed:
Jun. 11, 1998
Applicant:
Inventors:
Yuji Suzuki, Yokohama, JP;
Masaki Takahashi, Yokohama, JP;
Hideki Ito, Yokohama, JP;
Tamane Takahara, Bunkyo-ku, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
359198 ; 359204 ; 359212 ; 359216 ;
Abstract
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.