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:
Aug. 20, 1996
Filed:
Jan. 13, 1995
Applicant:
Inventors:
Toru Watanabe, Nagaokakyo, JP;
Kenichi Noto, Nagaokakyo, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03H / ; H03H / ;
U.S. Cl.
CPC ...
333194 ; 333195 ; 3103 / ;
Abstract
An SAW filter includes an SAW substrate and input and output IDTs which are arranged on the SAW substrate at a prescribed distance from each other. The IDTs are provided on outer end portions along the surface wave propagation direction with electric field concentration relaxation electrodes extending from pairs of bus bars inwardly along oblique directions.
Watanabe, Toru. (1996). Saw filter having electrodes for relaxation of electric field (U.S. Patent No. 5548256). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5548256
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile