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Title:
METAL ACCESSORY HAVING NON-CONTACT SHORT-RANGE WIRELESS COMMUNICATION FUNCTION, AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2020/036349
Kind Code:
A1
Abstract:
The present invention relates to a metal accessory having a non-contact communication function. The metal accessory comprises: an integrated circuit element (IC chip) for control, capable of performing non-contact short-range wireless communication with an external terminal; a loop antenna with a predetermined length, having both ends connected respectively to both ends of the integrated circuit element for control; and a body part, which is made of a metal or precious metal material, is formed into a loop shape having a through hole formed through the center thereof, and has a slit formed by cutting a partial section of the loop. The integrated circuit element for control and the loop antenna are provided inside the body part, the loop antenna is wound several times along the loop-shaped body part, and a portion of the loop-shaped body part is completely cut by the slit. The metal accessory according to the present invention can be a loop-shaped ring, necklace pendant, or the like, and can perform the function of a non-contact credit card, a key for a non-contact door locking device, or the like.

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Inventors:
JUNG JI SU (KR)
JUNG YEON JIN (KR)
Application Number:
PCT/KR2019/009599
Publication Date:
February 20, 2020
Filing Date:
August 01, 2019
Export Citation:
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Assignee:
JUNG JI SU (KR)
JUNG YEON JIN (KR)
International Classes:
A44C25/00; H04B5/00
Foreign References:
KR20150042069A2015-04-20
JPH0529413U1993-04-20
KR20160105269A2016-09-06
KR101001719B12010-12-15
JPH0767709A1995-03-14
KR200294180Y12002-11-04
KR200445348Y12009-07-22
Attorney, Agent or Firm:
LEE, Ji-Yeon (KR)
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