Wireless tag communication device and sheet processing apparatus
AssigneeToshiba Tec Kabushiki Kaisha
InventorYuki Koike
Life of this patent
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Abstract
A wireless tag communication device for communicating with a wireless tag conveyed in a conveyance direction includes an antenna with a plurality of radiation regions from which a polarized radio wave is emitted and including a first radiation region extending along a first direction crossing the conveyance direction and having a first length in the first direction, and a second radiation region extending parallel to the first radiation region and having a second length that is different from the first length in the first direction, and a controller configured to cause at least one of the first and second radiation regions to emit a polarized wave towards the wireless tag.
Claims19
A wireless tag communication device for communicating with a wireless tag conveyed in a conveyance direction, comprising:
- an antenna with a plurality of radiation regions from which a polarized radio wave is emitted, the plurality of radiation regions including:
- a first radiation region extending along a first direction crossing the conveyance direction and having a first length in the first direction, and
- a second radiation region extending parallel to the first radiation region and having a second length that is different from the first length in the first direction, and
- a controller configured to cause at least one of the first and second radiation regions to emit a polarized wave towards the wireless tag.
A sheet processing apparatus, comprising:
- a sheet conveyance path along which a sheet having a wireless tag is conveyed in a conveyance direction;
- and
- a wireless tag communication device configured to communicate with the wireless tag and including:
- an antenna with a plurality of radiation regions from which a polarized radio wave is emitted, the plurality of radiation regions including:
- a first radiation region extending along a first direction crossing the conveyance direction and having a first length in the first direction, and
- a second radiation region extending parallel to the first radiation region and having a second length that is different from the first length in the first direction, and
- a controller configured to cause at least one of the first and second radiation regions to emit a polarized wave towards the wireless tag.
Dependencies are inferred from the claim text.