Patent ID: 7860745

Claim:
A credit card signature inspection method capable of enhancing security for transaction, in which a credit card is slid at a card-sliding device for proceeding with a transaction, the credit card has a signature for verification signed thereon by a credit card holder, the card-sliding device includes a display screen and is connected to a credit card server through a network, the credit card server includes a credit card database pre-stored with data of a plurality of credit cards, and data of each credit card corresponds to an authentication signature of a credit card holder wherein the authentication signature does not comprise the name of the credit card holder, the method comprising the steps of: (A) receiving a credit card by a card sliding device and retrieving credit card information from the credit card by the card credit sliding device wherein the credit card comprises a signature and the signature comprises the name of the credit card holder; (B) generating a bill by the card sliding device in response to the receiving of the credit card and displaying the bill on the display screen of the card sliding device; (C) receiving a signature on the bill by the card sliding device wherein the signature does not comprise the name of the credit card holder; (D) transmitting the credit card information from the card sliding device to the card server; (E) retrieving an authentication signature by the card server from the credit card database using the credit card information; (F) transmitting the authentication signature to the card sliding device; and (G) displaying the authentication signature on the display screen of the card sliding device.