SYSTEM, APPARATUS FOR INQUIRING CREDIT CARD USING WIRELESS LAN AND METHOD THEREOF, AND WIRELESS BRIDGE FOR BRIDGING INQUIRING CREDIT CARD AND METHOD THEREOF

摘要

The present invention relates to a wireless credit card inquiry system connected with a VAN server and a card company server through a network via wireless bridge and access point, comprising wireless LAN card unit for transmitting credit card information to the wireless bridge and receiving credit card commerce approval information from the wireless bridge, a card reader for reading the credit card and transmitting the credit card information to the wireless LAN card unit and receiving the creit card commerce approval information from the wireless LAN card unit and displaying the credit card commerce approval information; and media conversion unit for matching physical signal between the wireless LAN card unit and the card reader.