Patent ID: 6934689
Filing Date: 2005-08-23
Classification: G06Q

Abstract:
1. Payment transaction method for conducting a payment transaction between a customer with a portable mobile device and a service point, comprising: determining a total transaction amount to be paid and a transaction identification assigned to the total transaction amount at a payment terminal of the service point, wherein the transaction identification includes a payment terminal identification identifying the respective payment terminal from a plurality of payment terminals existing at the service point; informing the customer about the total transaction amount and the transaction identification; entering the transaction identification into the mobile device; extracting the payment terminal identification from the transaction identification; transmitting by the mobile device, via a first contactless device interface, the transaction identification directly to the payment terminal based on the payment terminal identification; transmitting by the payment terminal, after receipt of the transaction identification, a payment request including a service point identification, the payment terminal identification, and the total transaction amount, via a second contactless device interface directly to the mobile device; and accepting the payment transaction based on the payment request by,