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:
Nov. 25, 2014
Filed:
Nov. 30, 2011
Chul Soo Kim, Hwaseong-si, KR;
Jun Chul Kim, Seongnam-si, KR;
IN Sang Song, Osan-si, KR;
Young IL Kim, Suwon-si, KR;
Duck Hwan Kim, Goyang-si, KR;
Sang Uk Son, Yongin-si, KR;
Jea Shik Shin, Hwaseong-si, KR;
Hyung Rak Kim, Seoul, KR;
Chul Soo Kim, Hwaseong-si, KR;
Jun Chul Kim, Seongnam-si, KR;
In Sang Song, Osan-si, KR;
Young Il Kim, Suwon-si, KR;
Duck Hwan Kim, Goyang-si, KR;
Sang Uk Son, Yongin-si, KR;
Jea Shik Shin, Hwaseong-si, KR;
Hyung Rak Kim, Seoul, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
Provided are low pass filters using a bulk acoustic wave resonator (BAWR). A low pass filter may include an input terminal configured to be connected with a first radio frequency (RF) device, an output terminal configured to be connected with a second RF device, a parallel segment including a first BAWR, a third BAWR, and a fifth BAWR that may be connected in parallel with each other to a reference potential, a first series segment having a second BAWR and a first inductor, and a second series segment having a fourth BAWR and a second inductor, and connected in series with the first series segment.