Title:
振動波モータ及び同モータを駆動源とする発音装置
Document Type and Number:
Japanese Patent JP5873802
Kind Code:
B2
Abstract:
The present invention addresses the problem of increasing the lifetimes of an oscillatory wave motor and a sound generation device using the oscillatory wave motor as a drive source, and proposed the structure and mechanism for integrally increasing the lifetimes of the oscillatory wave motor and the sound generation device using the oscillatory wave motor as the drive source. To maintain the drive performance of a drive unit, the drive unit is provided with a core sheathing structure, with the result that the drive unit is prevented from breaking and being damaged, and even if the entire drive unit is worn down, an intrinsic drive unit member serving as a core portion keeps the same drive area, so an initial drive feature is maintained. The descending order of a wear resistance of the members is the drive unit core material, a moving unit, and a drive unit sheathing material. In the oscillatory wave motor including a second drive mechanism, when performing an original operation of the oscillatory wave motor, a driven area on the moving unit is relatively drifted at the same time.
Inventors:
Hirokazu Negishi
Ikuo Ohira
Tohro Oga
Takaaki Ishii
Ikuo Ohira
Tohro Oga
Takaaki Ishii
Application Number:
JP2012542932A
Publication Date:
March 01, 2016
Filing Date:
November 08, 2011
Export Citation:
Assignee:
Nikko Ceramics Co., Ltd.
International Classes:
H02N2/00; H04R23/00
Domestic Patent References:
| JPH11146667A | 1999-05-28 | |||
| JPH11146673A | 1999-05-28 | |||
| JP2000175466A | 2000-06-23 | |||
| JP2010063349A | 2010-03-18 | |||
| JP2004325827A | 2004-11-18 | |||
| JP2008206251A | 2008-09-04 | |||
| JP2007067999A | 2007-03-15 |
Attorney, Agent or Firm:
Kunihisa Landlord
Atsushi Hayashi
Atsushi Hayashi