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:
Oct. 18, 1994
Filed:
Jun. 09, 1992
Applicant:
Inventors:
Yoshio Suzuki, Atsugi, JP;
Yutaka Hirai, Tokyo, JP;
Osamu Takamatsu, Atsugi, JP;
Masaru Nakayama, Atsugi, JP;
Takayuki Yagi, Machida, JP;
Yuji Kasanuki, Isehara, JP;
Keisuke Yamamoto, Yamato, JP;
Yasuhiro Shimada, Atsugi, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
250306 ; 369126 ;
Abstract
A cantilever type displacement element comprises a piezoelectric layer and at least two electrodes for applying a voltage to said piezoelectric layer, at least one of said electrodes being a comb-shaped electrode pair having respectively comb-tooth portions disposed separately as facing and alongside of each other in the width direction of the cantilever.