Title:
RFID ANTENNA, RFID TAG, AND PHYSICAL QUANTITY MEASUREMENT DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/129762
Kind Code:
A1
Abstract:
This RFID antenna (100) is provided with: an insulating substrate (110); a first antenna pattern (120) that is provided to a first surface (111) of the insulating substrate (110) and is formed of a spiral coil; and a second antenna pattern (130) that is provided to a second surface (112) of the insulating substrate (110), is electrically connected to the first antenna pattern (120), and is formed of a spiral coil. The first antenna pattern (120) and the second antenna pattern (130) have main antenna sections (1212, 1312) that are disposed at locations where the first antenna pattern (120) and the second antenna pattern (130) do not overlap, if the first surface (111) is seen in plan view and the second surface (112) is seen through the first surface (111).
Inventors:
KUBO RYOUSUKE (JP)
MURAMATSU HIDEKI (JP)
MURAMATSU HIDEKI (JP)
Application Number:
PCT/JP2019/048386
Publication Date:
June 25, 2020
Filing Date:
December 11, 2019
Export Citation:
Assignee:
NAGANO KEIKI CO LTD (JP)
International Classes:
G01L19/00; G06K19/077; H01Q1/38; H01Q7/00
Domestic Patent References:
| WO2014141906A1 | 2014-09-18 |
Foreign References:
| JP2011254307A | 2011-12-15 | |||
| JPH11195921A | 1999-07-21 | |||
| JPH10203066A | 1998-08-04 | |||
| JP2005067585A | 2005-03-17 | |||
| JP4826195B2 | 2011-11-30 |
Other References:
See also references of EP 3879253A4
Attorney, Agent or Firm:
KINOSHITA & ASSOCIATES (JP)
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