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:
Mar. 23, 2021
Filed:
Apr. 17, 2019
Applicant:
Samsung Electro-mechanics Co., Ltd., Suwon-si, KR;
Inventors:
Sung-Tae Kim, Suwon-si, KR;
Chang Hyun Kim, Suwon-si, KR;
Jung Woo Sung, Suwon-si, KR;
Yoon Sok Park, Suwon-si, KR;
Assignee:
Samsung Electro-Mechanics Co., Ltd., Suwon-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03H 9/56 (2006.01); H03H 9/54 (2006.01); H03H 9/60 (2006.01); H01Q 1/24 (2006.01);
U.S. Cl.
CPC ...
H03H 9/566 (2013.01); H01Q 1/242 (2013.01); H03H 9/542 (2013.01); H03H 9/547 (2013.01); H03H 9/568 (2013.01); H03H 9/605 (2013.01);
Abstract
A filter includes a plurality of series portions each including one or more series resonators, and a plurality of shunt portions each including one or more shunt resonators. At least one of the plurality of shunt portions includes two shunt resonators connected to each other in anti-series, and antiresonance frequencies of the two shunt resonators are arranged externally of a passband.