System for reducing transaction failure
US-12175472-B2 · Dec 24, 2024 · US
US11481748B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11481748-B2 |
| Application number | US-201816650547-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 8, 2018 |
| Priority date | Sep 29, 2017 |
| Publication date | Oct 25, 2022 |
| Grant date | Oct 25, 2022 |
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The present invention includes: a plurality of terminal devices configured to wirelessly communicate with a balance storage medium; and a settlement control device that is communicably connected to each of the plurality of terminal devices. The settlement control device includes an update instruction distribution unit that distributes, to each of the terminal devices, balance update instruction information including a balance update instruction and an update instruction identification number corresponding to the balance update instruction. The terminal device includes an update control unit that performs balance update processing corresponding to the balance update instruction on the basis of a comparison between an update instruction identification number that has been acquired from the balance storage medium and that is recorded in the balance storage medium, and the update instruction identification number included in the balance update instruction information.
Opening claim text (preview).
The invention claimed is: 1. A settlement control system comprising: a plurality of terminal devices configured to wirelessly communicate with a balance storage medium; and a settlement control device that is communicably connected to each of the plurality of terminal devices, wherein the settlement control device comprises: an update instruction generation unit configured to sequentially determine an update instruction identification number for each balance update instruction and generate balance update instruction information including the balance update instruction and the determined update instruction identification number; an update instruction distribution unit configured to distribute, to each of the plurality of terminal devices, the balance update instruction information, generated by the update instruction generation unit, which includes the same balance update instruction and the same update instruction identification number, and each of the plurality of terminal devices comprises: a storage configured to store the balance update instruction information in advance of communicating with the balance storage medium; and an update control unit configured to determine, when communicating with the balance storage medium, whether or not to perform balance update processing corresponding to the balance update instruction on the basis of a result of a comparison of magnitude of values between an update instruction identification number that has been acquired from the balance storage medium and that is recorded in the balance storage medium, and the update instruction identification number included in the balance update instruction information stored in the storage, and perform the balance update processing when it is determined that the balance update process is to be performed. 2. The settlement control system according to claim 1 , wherein the settlement control device comprises: an instruction discard request unit configured to receive a completion notification of the balance update processing from the terminal device and that transmit a request for discarding balance update instruction information including the update instruction identification number to a terminal device different from the terminal device that transmitted the completion notification. 3. The settlement control system according to claim 1 , wherein the settlement control device comprises: a communication connection monitoring unit configured to monitor a communication connection with the terminal device; and the update instruction distribution unit transmits the balance update instruction information to the terminal device in which a communication connection with the settlement control device is successful on the basis of the monitoring of the communication connection. 4. The settlement control system according to claim 1 , wherein the update instruction distribution unit determines the plurality of terminal devices to which the balance update instruction information including medium identification information of the balance storage medium is transmitted on the basis of a movement range of the balance storage medium. 5. The settlement control system according to claim 1 , wherein the balance update instruction information including the balance update instruction and the update instruction identification number determined in ascending order is generated, the update control unit of the each of the plurality of terminal devices performs the balance update processing when the update instruction identification number included in the balance update instruction information is larger than the acquired update instruction identification number recorded in the balance storage medium. 6. The settlement control system according to claim 1 , wherein the update instruction distribution unit of the settlement control device distributes the same balance update instruction information to each of the plurality terminal devices installed in an estimated movement range of a user corresponding to the balance update instruction information. 7. A settlement control method of a settlement control system comprising a plurality of terminal devices that wirelessly communicate with a balance storage medium, and a settlement control device that is communicably connected to each of the plurality of terminal devices, the settlement control method comprising: sequentially determining, by the settlement control device, an update instruction identification number for each balance update instruction and generate balance update instruction information including the balance update instruction and the determined update instruction identification number; distributing, by the settlement control device, to each of the plurality of terminal devices, the balance update instruction information, generated by the update instruction generation unit, which includes the same balance update instruction and the same update instruction identification number; storing, by each of the plurality of terminal devices, the balance update instruction information into a storage of the terminal device in advance of communicating with the balance storage medium; and determining, by the each of the plurality of terminal devices, when communicating with the balance storage medium, whether or not to perform balance update processing corresponding to the balance update instruction on the basis of a result of a comparison of magnitude of values between an update instruction identification number that has been acquired from the balance storage medium and that is recorded in the balance storage medium, and the update instruction identification number included in the balance update instruction information stored in the storage, and performing the balance update processing when it is determined that the balance update process is to be performed. 8. The settlement control system according to claim 1 , wherein the each of the plurality of terminal devices communicates with the balance storage medium by a radio frequency identifier module.
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