Title:
RFID TAG, AND ANTENNA MEMBER USED FOR THE SAME
Document Type and Number:
Japanese Patent JP2023020086
Kind Code:
A
Abstract:
To provide an RFID tag that achieves reduction in cost while comprising an antenna with an isotropic radiation pattern.SOLUTION: An RFID tag 10 comprises a base material 22, an antenna part 24, and an IC chip 30. A split-ring resonance part 40 of the antenna part 24 has a first portion 42 and a second portion 44. A first end part 421 of the first portion 42 is provided with a first opposed part, and a first end part 423 thereof is provided with a first connection part. A second end part 441 of the second portion 44 is provided with a second opposed part, and a second end part 443 thereof is provided with a second connection part. The first opposed part 421 and the second opposed part 441 are separated from and opposed to each other. A third end part 501 of an impedance matching part 50 is connected with the first portion 42 at a part between the first opposed part 421 and the first connection part 423, and a third end part 503 thereof is connected with the second portion 44 at a part between the second opposed part 441 and the second connection part 443. The IC chip 30 is connected with the first connection part 423 and the second connection part 443.SELECTED DRAWING: Figure 1
Inventors:
UCHIDA ATSUSHI
Application Number:
JP2021125269A
Publication Date:
February 09, 2023
Filing Date:
July 30, 2021
Export Citation:
Assignee:
JAPAN AVIATION ELECTRONICS IND LTD
International Classes:
H01Q7/00; G06K19/077; H01Q1/24; H01Q9/04
Attorney, Agent or Firm:
Takuya Yamazaki