Title:
共振子
Document Type and Number:
Japanese Patent JP6424901
Kind Code:
B2
Abstract:
A resonator includes a support frame, a rectangular vibrating plate that performs contour vibration in a predetermined direction, and two pairs of support arms. The vibrating plate includes four vibration regions arranged in a row in the lengthwise direction and electrodes disposed in the vibration regions. Each of the vibration regions vibrate with a phase opposite to phases with which the adjacent vibration regions vibrate upon excitation. A center line of a pair of the electrodes in the lengthwise direction is offset from a center line, in the lengthwise direction, of a corresponding vibration region that includes the electrode disposed thereon.
Inventors:
Toshio Nishimura
Yuichi Goto
Colonel Nakamura
Yuichi Goto
Colonel Nakamura
Application Number:
JP2016569345A
Publication Date:
November 21, 2018
Filing Date:
January 08, 2016
Export Citation:
Assignee:
MURATA MANUFACTURING CO.,LTD.
International Classes:
H03H9/24
Domestic Patent References:
| JP7007361A | ||||
| JP2006203742A | ||||
| JP2002076825A | ||||
| JP2008228195A | ||||
| JP2014531833A |
Foreign References:
| US20080246559 |
Attorney, Agent or Firm:
Yoshiyuki Inaba
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito
Mutsumi Sato
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito
Mutsumi Sato