US 12,412,063 B2
RFID tag, blood collection tube, and antenna
Takuro Shimada, Kagawa (JP); Alina Khan, Ehime (JP); and Taro Ikawa, Ehime (JP)
Assigned to DAIO PAPER CORPORATION, Ehime (JP)
Appl. No. 18/252,939
Filed by DAIO PAPER CORPORATION, Ehime (JP)
PCT Filed Nov. 25, 2021, PCT No. PCT/JP2021/043274
§ 371(c)(1), (2) Date May 15, 2023,
PCT Pub. No. WO2022/114084, PCT Pub. Date Jun. 2, 2022.
Claims priority of application No. 2020-197057 (JP), filed on Nov. 27, 2020.
Prior Publication US 2024/0095486 A1, Mar. 21, 2024
Int. Cl. G06K 19/07 (2006.01); G01N 35/00 (2006.01); G06K 19/077 (2006.01); H01Q 1/22 (2006.01); H01Q 1/38 (2006.01)
CPC G06K 19/07758 (2013.01) [G01N 35/00732 (2013.01); G06K 19/07773 (2013.01); H01Q 1/2283 (2013.01); H01Q 1/38 (2013.01); G01N 2035/00742 (2013.01)] 8 Claims
OG exemplary drawing
 
1. An RFID (radio frequency identification) tag adapted to be applied to a container for holding liquid, the RFID tag comprising:
an IC (integrated circuit) chip on which identification information is recorded; and
an antenna made of a loop-shaped conductor connected to the IC chip,
wherein the antenna has a T-shaped opening in which the conductor is not formed,
wherein an outer shape of the antenna forms a rectangle,
wherein the IC chip is electrically connected to a central portion of one side of the rectangle, and
wherein the T-shaped opening includes:
a first opening extending in a direction parallel to the one side of the rectangle, and
a second opening connected to a central part of the first opening, extending in a direction orthogonal to the one side of the rectangle, and extending in a direction opposite to the one side.