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:
Jan. 16, 1990
Filed:
Jul. 20, 1988
Applicant:
Inventor:
Keisuke Honda, Aichi, JP;
Assignee:
Honda Electronic Co., Ltd., Aichi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
310323 ; 310366 ; 310369 ;
Abstract
In the present invention, an electrode in both end portions of a piezoelectric vibrator is respectively divided in two, alternative current voltage is supplied to each of electrodes of the both end portions, whereby reversible circumferential progressive wave arises on the both end portions or side portion of a state consisting of the piezoelectric vibrator. A member to be driven is composed on each of the both end portions or the side portion of the stator.