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Title:
DEMAGNETIZING DEVICE AND ACOUSTO-MAGNETIC TAG DECODER
Document Type and Number:
WIPO Patent Application WO/2019/196958
Kind Code:
A1
Abstract:
A demagnetizing device and an acousto-magnetic decoder. The demagnetizing device comprises: an open soft magnetic core (1), at least one magnetic excitation coil (2), and an AC power supply circuit (3). The AC power supply circuit (3) is connected to the at least one magnetic excitation coil (2) to power the same. The at least one magnetic excitation coil (2) is wound around the soft magnetic core (1). The demagnetizing device enables an acousto-magnetic tag decoder to be more reliable and durable, thereby reducing manufacturing and maintenance costs of the acousto-magnetic tag decoder.

Inventors:
LI, Lin (No.69 Nanhai Road, Xinqi Beilun Distric, Ningbo Zhejiang 0, 315000, CN)
Application Number:
CN2019/083784
Publication Date:
October 17, 2019
Filing Date:
April 23, 2019
Export Citation:
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Assignee:
NINGBO SIGNATRONIC TECHNOLOGIES LTD (No.69 Nanhai Road, Xinqi Beilun Distric, Ningbo Zhejiang 0, 315000, CN)
International Classes:
G08B13/24; H01F13/00
Foreign References:
EP1669959A22006-06-14
EP1669959A22006-06-14
CN102160098A2011-08-17
CN200990268Y2007-12-12
US5151843A1992-09-29
CN108346251A2018-07-31
CN208092892U2018-11-13
CN205645429U2016-10-12
US5126720A1992-06-30
Attorney, Agent or Firm:
SCIHEAD IP LAW FIRM (Room 1508, Huihua Commercial & Trade Building No.80 Xian Lie Zhong Road, Yuexiu Distric, Guangzhou Guangdong 0, 510070, CN)
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