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:
Nov. 20, 2007
Filed:
May. 25, 2005
Applicants:
Takanori Ikuta, Kyoto, JP;
Wataru Koga, Kyoto, JP;
Yuuko Yokota, Kyoto, JP;
Inventors:
Assignee:
Kyocera Corporation, Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 9/72 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a surface acoustic wave device according to the present invention, a transmitting filter element TX and a receiving filter element RX are formed on one main surface of a piezoelectric substrate, and are mounted by face down on an upper surface of a circuit board. A ground electrodein the receiving filter element RX is connected to three linear via conductors' formed on the circuit board, and a ground electrodein the transmitting filter element TX is connected to a crank-shaped via conductor′ formed on the circuit board