The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 27, 2007
Filed:
Oct. 26, 2004
Naoto Yonetake, Sendai, JP;
Toru Ueno, Sendai, JP;
Kazuhiro Kobayashi, Fujiyoshida, JP;
Keita Watanabe, Fujiyoshida, JP;
Naoki Miura, Fujiyoshida, JP;
Yoshiro Ohkawa, Kawasaki, JP;
Harunami Suzuki, Kawasaki, JP;
Naoto Yonetake, Sendai, JP;
Toru Ueno, Sendai, JP;
Kazuhiro Kobayashi, Fujiyoshida, JP;
Keita Watanabe, Fujiyoshida, JP;
Naoki Miura, Fujiyoshida, JP;
Yoshiro Ohkawa, Kawasaki, JP;
Harunami Suzuki, Kawasaki, JP;
Citizen Electronics Co., Ltd., Yamanashi, JP;
NEC Tokin Corporation, Miyagi, JP;
Authentic, Ltd., Kanagawa, JP;
Abstract
An actuator, comprising a beam () including a laminated structure which has piezoelectric layers () and electrode layers (), a holding mechanism to hold the beam, a feeding terminal () to supply an exciting power to the electrode layers of the beam, and a contact mechanism provided in the holding mechanism, the holding mechanism comprising a case () including a space () to house the beam () and a holding part to hold at least one of an end and a central portion of the beam (), the contact mechanism being configured to contact with a part of the beam () and prevent the beam from excessively deflecting when a great impact is added to the beam.