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.:

US 9583806 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 28, 2017

Filed:

Mar. 22, 2012
Applicants:

Hak Rae Cho, Incheon, KR;

Su Duk Seo, Incheon, KR;

Inventors:

Hak Rae Cho, Incheon, KR;

Su Duk Seo, Incheon, KR;

Assignee:

Innertron Co., Ltd., Incheon, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01P 7/06 (2006.01); H01P 1/203 (2006.01); H01P 1/208 (2006.01); H01P 1/207 (2006.01);
U.S. Cl.
CPC ...
H01P 1/203 (2013.01); H01P 1/208 (2013.01); H01P 1/2082 (2013.01);
Abstract

An multi-band pass filter is disclosed. The multi-band pass filter in accordance with an embodiment of the present invention includes: a housing comprised with an input terminal and an output terminal separated from each other; a high pass filter installed in one inside of the housing and electrically connected to the input terminal and configured to form a plurality of resonator patterns with the circuit patterns on the printed circuit board; and a dual band reject filter series-connected with the high pass filter and provided between the high pass filter and the output terminal by forming a plurality of cavities inside the housing and furnishing each of the cavities with a resonator.


Find Patent Forward Citations

Loading…