Method of transmitting information from a card reader with a power supply and wake-up circuit to a mobile device

摘要

A method of transmitting information to a mobile device has a card reader with wake-up electronics and a microcontroller, and a power supply coupled to the wake-up electronics and the microcontroller. Data is read on the magnetic stripe. A raw magnetic signal is produced indicative of data stored on the magnetic stripe. The raw magnetic head signal is converted into a processed digital signal that the microcontroller can interpret. An output jack signal is sent to the mobile device.

主权项

1. A method of transmitting information to a mobile device, comprising:
providing a card reader with a read head that has a slot for swiping a magnetic stripe of a card, the card reader including wake-up electronics that detect when the card is being swiped in the slot, signal a microcontroller to put the device electronics into an active mode from a sleep mode and power down the wake-up electronics when the device electronics is in the active mode, and a power supply coupled to the wake-up electronics and the microcontroller; reading data on the magnetic stripe; producing a raw magnetic signal indicative of data stored on the magnetic stripe; converting the raw magnetic head signal into a processed digital signal that the microcontroller can interpret; and sending an output jack signal to the mobile device.