Payment machines and programs

Abstract

The buyer is instructed to perform the payment process. [Solution] The product sales system comprises a missing information detection means and a control means. The missing information detection means detects whether or not there are any missing items in the information relating to the purchased product transmitted to the payment machine by the information transmission means of the sales processing device. If the missing information detection means detects that there are missing items in the information relating to the purchased product, the control means activates the settlement by the first settlement means of the sales processing device and invalidates the settlement by the second settlement means of the payment machine.

Claims

1. A payment machine connected to a sales processing device, A receiving means for receiving information relating to purchased goods transmitted from the sales processing device, A settlement means for settling transactions based on the information received regarding the purchased goods, A missing information detection means for detecting whether or not there are any missing pieces in the information relating to the purchased product that has been received, When the missing information detection means detects that there is missing information related to the purchased product, the control means invalidates the payment by the payment means and enables the payment by the sales processing device. A payment machine equipped with the following features.

2. The information relating to the purchased goods transmitted from the sales processing device to the payment machine is accompanied by regular information, The payment machine according to claim 1, wherein the missing information detection means detects that there is a missing piece in the information relating to the purchased product when the regularity of the regular information attached to the received information relating to the purchased product is lost.

3. The payment machine according to claim 1, wherein the missing information detection means detects that there is a missing piece of information related to the purchased product when the sales processing device cannot recognize the authorization response signal that is sent back to the sales processing device when information related to the purchased product is received.

4. The payment machine according to claim 1, wherein the missing information detection means compares the number of times the sales processing device has transmitted information relating to the purchased product to the payment machine with the number of times the receiving means has received information relating to the purchased product, and detects that there is a missing piece of information relating to the purchased product if they do not match.

5. The sales processing device transmits the information relating to the purchased goods to the payment machine before receiving an instruction to complete the input of the information relating to the purchased goods, and transmits the instruction to complete the input to the payment machine if settlement of the transaction is impossible at the time the instruction to complete the input is received. The payment machine according to claim 1, wherein the payment means settles a transaction based on information relating to the purchased goods when the transaction can be settled at the time the input completion instruction is received.

6. A computer for a payment machine, comprising receiving means for receiving information relating to purchased goods transmitted from a sales processing device, A payment means for settling a transaction based on the information received regarding the purchased goods, A missing information detection means for detecting whether or not there are any missing pieces in the received information relating to the purchased product, When the missing information detection means detects that there is missing information related to the purchased product, the control means invalidates the payment by the payment means and enables the payment by the sales processing device. A program designed to function as such.

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