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:
Jan. 03, 1989
Filed:
Feb. 19, 1987
Applicant:
Inventors:
Takahisa Mihara, Sagamihara, JP;
Shoji Sanma, Yokohama, JP;
Assignee:
Fujitsu Limited, Kanagawa, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K / ; G11B / ;
U.S. Cl.
CPC ...
310 / ; 310116 ; 310266 ; 335222 ;
Abstract
An encoder motor comprising: an encoder incorporated in the encoder motor, for carrying out positional detection and having an encoder code wheel fitted to a motor rotary shaft of the encoder motor; a coil formed as a moving coil movable together with the motor rotary shaft; a magnet operative with respect to the moving coil; and a bobbin in the form of cylinder on which the moving coil is disposed. The bobbin is arranged concentrically with respect to the motor rotary shaft and directly fixed to the code wheel of the encoder.