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. 27, 2015
Filed:
Feb. 04, 2011
Applicants:
Mohamed Elhakiki, Valbonne, FR;
Heiko Hartmann, Unterhaching, DE;
Jacques Antoine Damy, Nice, FR;
Inventors:
Assignee:
EPCOS AG, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 9/00 (2006.01); H03H 9/64 (2006.01); H03H 9/02 (2006.01); H03H 9/145 (2006.01);
U.S. Cl.
CPC ...
H03H 9/64 (2013.01); H03H 9/0222 (2013.01); H03H 9/02779 (2013.01); H03H 9/14505 (2013.01); H03H 9/14558 (2013.01);
Abstract
A new type of very broad bandwidth filters with small insertion loss and high return loss are given. The new filter uses a substrate that can propagate a PSAW and fan shaped transducers of low metallisation height, high metallisation ratio, low reflectivity and high coupling coefficient.