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. 22, 2008
Filed:
Jul. 20, 2005
Applicant:
Katsuro Yoneya, Nagano, JP;
Inventor:
Katsuro Yoneya, Nagano, JP;
Assignee:
Seiko Epson Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 9/64 (2006.01); H03H 9/25 (2006.01);
U.S. Cl.
CPC ...
Abstract
A surface acoustic wave element includes a pair of interdigital transducers arranged in parallel with a propagation direction of a surface acoustic wave; a reflector prepared at both sides of the interdigital transducers; and a coupling portion, which mutually couples one end of a plurality of electrode fingers constituting one electrode portion of each interdigital transducer to be in common, wherein each of the electrode fingers includes a plurality of straight line portions that intersect with the coupling portion, and a bending portion prepared between these straight line portions.