Title:
RFID TAG, AND ANTENNA
Document Type and Number:
WIPO Patent Application WO/2021/166852
Kind Code:
A1
Abstract:
This RFID tag is provided with a first electrically conductive layer, a second electrically conductive layer in which an antenna is formed, an insulating layer, and an IC chip, wherein the antenna includes: a first slot; a second slot facing the first slot; a linking slot linking the first slot and the second slot; a first adjustment slot which is linked to one end portion of the first slot, and which is wider than the first slot; a second adjustment slot which is linked to the other end portion of the first slot, and which is wider than the first slot; a third adjustment slot which is linked to one end portion of the second slot, and which is wider than the second slot; and a fourth adjustment slot which is linked to the other end portion of the second slot, and which is wider than the second slot.
Inventors:
SHIMADA TAKURO (JP)
BISTA ALINA (JP)
IKAWA TARO (JP)
BISTA ALINA (JP)
IKAWA TARO (JP)
Application Number:
PCT/JP2021/005554
Publication Date:
August 26, 2021
Filing Date:
February 15, 2021
Export Citation:
Assignee:
DAIO SEISHI KK (JP)
International Classes:
G06K19/077; H01Q1/50; H01Q9/16; H01Q13/10
Domestic Patent References:
| WO2016129542A1 | 2016-08-18 |
Foreign References:
| JP2014041443A | 2014-03-06 | |||
| JP2010081290A | 2010-04-08 | |||
| JP2013037653A | 2013-02-21 | |||
| JP2019533860W | ||||
| JP2016170576A | 2016-09-23 | |||
| JP2020026431A | 2020-02-20 |
Other References:
See also references of EP 4109338A4
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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