Title:
塵埃除去装置および塵埃除去方法
Document Type and Number:
Japanese Patent JP5430367
Kind Code:
B2
Abstract:
In a piezoelectric device (30), a first electrode (32) and a second electrode (33) are disposed to be opposed to each other on plate surfaces of the piezoelectric device (30), a first electrode plane (36) of the piezoelectric device (30) is fixedly bonded to a plate surface of a vibrating plate (20), a piezoelectric material (31) forming the piezoelectric device (30) is polarized in a direction parallel to the first electrode plane (36), the piezoelectric device (30) is fixed to a base through a second electrode plane (37) of the piezoelectric device (30), and the piezoelectric device (30) generates a thickness-shear vibration with the fixed second electrode plane (37) being a reference plane. The piezoelectric vibration generated by the piezoelectric device (30) generates a flexural vibration in the vibrating plate (20), to thereby remove dust adhering to a surface of the vibrating plate (20).
Inventors:
Toshihiro Ifuku
Tatsuo Furuta
Hiroshi Saito
Kenichi Takeda
Tatsuo Furuta
Hiroshi Saito
Kenichi Takeda
Application Number:
JP2009269316A
Publication Date:
February 26, 2014
Filing Date:
November 26, 2009
Export Citation:
Assignee:
Canon Inc
International Classes:
H04N5/225; B08B7/02; G03B11/00; G03B17/02
Domestic Patent References:
| JP3159378A | ||||
| JP3097311A | ||||
| JP35262A |
Attorney, Agent or Firm:
Takuma Abe
Sogo Kuroiwa
Sogo Kuroiwa