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:
Apr. 24, 2001
Filed:
Sep. 30, 1998
Applicant:
Inventors:
Katsumi Imada, Katano, JP;
Katsunori Moritoki, Takatsuki, JP;
Takeshi Masutani, Moriguchi, JP;
Kouji Nomura, Shijonawate, JP;
Kouji Kawakita, Joyo, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 4/108 ;
U.S. Cl.
CPC ...
H01L 4/108 ;
Abstract
The drive section made by bonding the piezoelectric material on part of the elastic shim and the displacement amplifying section which amplifies the amplitude of vibration vibrated in the drive section are provided in the same plane. The device is driven at drive frequencies in a region between the resonance frequency of the drive section and the resonance frequency of the displacement amplifying section.