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.

Date of Patent:
Apr. 09, 2024

Filed:

May. 23, 2023
Applicants:

Electronics and Telecommunications Research Institute, Daejeon, KR;

Korea Advanced Institute of Science and Technology, Daejeon, KR;

Inventors:

Jang Yeol Kim, Daejeon, KR;

In Kui Cho, Daejeon, KR;

Hyunjoon Lee, Busan, KR;

Sang-Won Kim, Daejeon, KR;

Seong-Min Kim, Daejeon, KR;

Jung Ick Moon, Daejeon, KR;

Woo Cheon Park, Daejeon, KR;

Je Hoon Yun, Daejeon, KR;

Jaewoo Lee, Daejeon, KR;

Ho Jin Lee, Daejeon, KR;

Dong Won Jang, Daejeon, KR;

Kibeom Kim, Chungju-si, KR;

Seungyoung Ahn, Daejeon, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 27/32 (2006.01); G01R 33/02 (2006.01); H01F 27/24 (2006.01); H01F 27/28 (2006.01); H01F 41/04 (2006.01);
U.S. Cl.
CPC ...
H01F 27/325 (2013.01); G01R 33/02 (2013.01); H01F 27/24 (2013.01); H01F 27/2804 (2013.01); H01F 41/041 (2013.01);
Abstract

A radio frequency (RF) weak magnetic field detection sensor includes a ferromagnetic core, a pickup coil disposed to surround the ferromagnetic core, a substrate that includes an opening, a core pad connected to the ferromagnetic core and a coil pad connected to the pickup coil, and an insulating tube interposed between the ferromagnetic core and the pickup coil. The insulating tube includes a bobbin around which the pickup coil is wound, and a core hole formed to pass through the bobbin and configured to accommodate the ferromagnetic core.


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