Patent ID: 8594730

Claim:
A transaction system, comprising: a portable, personal wireless communication device enabled for near field communications with a similarly enabled device, the wireless communication device being programmed with at least one smart card application for use in contactless smart card transactions, wherein the wireless communication device is configured to format contactless smart card transaction data for magnetic stripe transactions and communicate magnetic stripe transaction data by near field communication, the magnetic stripe transaction data including the formatted contactless smart card transaction data; and a companion card enabled for near field communications with a similarly enabled device, the companion card including a card body which includes: a magnetic stripe emulator for use with a transaction terminal configured to read transaction information encoded on a magnetic stripe of a standard transaction card; a card controller in communication with the magnetic stripe emulator, wherein the card controller is configured to receive the magnetic stripe transaction data communicated to the companion card by near field communication and control the magnetic stripe emulator to emit a magnetic field encoded with the magnetic stripe transaction data; and a power supply.