A stepping motor controller, optical apparatus, and an interchangeable lens

Title:

A stepping motor controller, optical apparatus, and an interchangeable lens

Document Type and Number:

Japanese Patent JP6234210

Kind Code:

B2

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Inventors:

Watanabe Minoru

Application Number:

JP2013261927A

Publication Date:

November 22, 2017

Filing Date:

December 19, 2013

Export Citation:

Assignee:

Canon Inc

International Classes:

H02P8/36

Domestic Patent References:

Foreign References:

WO2009153859A1

Attorney, Agent or Firm:

Ryosuke Fujimoto
Atsushi Mizumoto
Hirayama Tomoya

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