Title:
ステッピングモータ及び時計
Document Type and Number:
Japanese Patent JP6515454
Kind Code:
B2
Abstract:
Disclosed is a stepping motor including a rotor including a cylindrical rotor magnet having an M number of magnetization, M being an even number, in a radial direction, and a stator including a stator body and a coil, the stator body having a rotor accommodating space which accommodates the rotor and an N number of magnetic poles, N being an odd number, disposed along an outer periphery of the rotor, and the coil being magnetically coupled with the stator body. Further including rotor stoppers disposed at every predetermined rotation angle which is smaller than an angle obtained by dividing one rotation by a product of the N and the M and a driving pulse supplying circuit which applies driving pulses to rotate the rotor by the predetermined rotation angle to the coil.
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Inventors:
Yuta Saito
Yohei Kawaguchi
Yohei Kawaguchi
Application Number:
JP2014144111A
Publication Date:
May 22, 2019
Filing Date:
July 14, 2014
Export Citation:
Assignee:
CASIO COMPUTER CO.,LTD.
International Classes:
G04C3/14; H02K37/14; H02P8/02
Domestic Patent References:
| JP2013038936A | ||||
| JP2055564A | ||||
| JP8047226A | ||||
| JP57024877A |
Attorney, Agent or Firm:
Gwangyang International Patent Office