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. 17, 2021
Filed:
Aug. 11, 2015
Applicant:
Snaptrack Inc., San Diego, CA (US);
Inventor:
Edgar Schmidhammer, Stein an der Traun, DE;
Assignee:
SnapTrack, Inc., San Diego, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 9/64 (2006.01); H03H 9/60 (2006.01); H03H 9/54 (2006.01); H03H 9/56 (2006.01); H03H 7/38 (2006.01); H03H 9/72 (2006.01); H03H 9/02 (2006.01); H03H 9/70 (2006.01);
U.S. Cl.
CPC ...
H03H 9/64 (2013.01); H03H 7/38 (2013.01); H03H 9/542 (2013.01); H03H 9/568 (2013.01); H03H 9/605 (2013.01); H03H 9/6483 (2013.01); H03H 9/706 (2013.01); H03H 9/725 (2013.01); H03H 2009/02165 (2013.01);
Abstract
An RF filter is disclosed. In an embodiment, the RF filter includes series-interconnected basic elements, each basic element having an electroacoustic resonator and impedance converters interconnected in series between the basic elements, wherein the impedance converters are impedance inverters and/or admittance inverters, and wherein the resonators of the basic elements are either only series resonators or only parallel resonators.