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. 01, 1985
Filed:
Jun. 22, 1983
Applicant:
Inventors:
Assignee:
Clarion Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H / ; H03H / ; H03H / ;
U.S. Cl.
CPC ...
333151 ; 333154 ; 333194 ; 357 26 ;
Abstract
A surface acoustic wave device in which first electrodes are provided on a piezoelectric film deposited on an elastic substrate, second electrodes between the piezoelectric film and the elastic substrate, and third electrode within the piezoelectric film, respectively, so that an electric signal is applied to the first and second electrodes.