US 12,293,246 B2
Wireless tag reading device
Yuichiro Kawabe, Mishima Shizuoka (JP); and Wataru Sakurai, Izu Shizuoka (JP)
Assigned to Toshiba Tec Kabushiki Kaisha, Tokyo (JP)
Filed by TOSHIBA TEC KABUSHIKI KAISHA, Tokyo (JP)
Filed on Apr. 13, 2022, as Appl. No. 17/720,132.
Claims priority of application No. 2021-110504 (JP), filed on Jul. 2, 2021.
Prior Publication US 2023/0004733 A1, Jan. 5, 2023
Int. Cl. G06K 7/10 (2006.01); G07G 1/00 (2006.01); G07G 1/01 (2006.01)
CPC G06K 7/10079 (2013.01) [G06K 7/10297 (2013.01); G06K 7/10316 (2013.01); G06K 7/10415 (2013.01); G07G 1/009 (2013.01); G07G 1/01 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A wireless tag reading device, comprising:
an accommodation region having a bottom surface portion, a first side surface portion, a second side surface portion, and a back surface portion, the accommodation region being configured to accommodate therein a product to which a wireless tag is attached;
an opening on a front side of the accommodation region and an upper side of the accommodation region, the opening permitting the product to be placed into or taken out of the accommodation region; and
a tag reading unit including an antenna configured to emit radio waves toward the product in the accommodation region and receive a response signal from the wireless tag of the product therein, wherein
outside portions of the first side surface portion, the second side surface portion, and the back surface portion are a radio wave reflecting material,
a bottom portion of the bottom surface portion is a radio wave reflecting material;
an inside portion of the back surface portion is a radio wave transmitting material, the inside portion and the outside portion of the back surface portion being spaced from each other leaving a gap therebetween; and
an enclosed space surrounded by a radio wave reflecting material below the bottom surface portion, wherein
the gap is connected to the enclosed space.