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:
Sep. 03, 2019
Filed:
Apr. 19, 2017
Applicant:
Infineon Technologies Ag, Neubiberg, DE;
Inventors:
Ruediger Bauder, Feldkirchen-Westerham, DE;
Hans-Joerg Timme, Ottobrunn, DE;
Assignee:
INFINEON TECHNOLOGIES AG, Neubiberg, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03H 9/54 (2006.01); H01L 41/047 (2006.01); H01L 41/107 (2006.01); H03H 3/02 (2006.01); H03H 9/205 (2006.01); H03H 9/58 (2006.01); H03H 9/60 (2006.01);
U.S. Cl.
CPC ...
H03H 9/542 (2013.01); H01L 41/047 (2013.01); H01L 41/107 (2013.01); H03H 3/02 (2013.01); H03H 9/205 (2013.01); H03H 9/584 (2013.01); H03H 9/605 (2013.01); H03H 2210/012 (2013.01); H03H 2210/025 (2013.01);
Abstract
A resonator element for use in a filter is provided. The resonator element includes a first resonator acoustically coupled to a second resonator. The first resonator has terminals for incorporation in a filter structure. A tuning circuit is coupled to the second resonator to enable tuning of the resonator element.