Patent ID: 7219846

Claim:
A memory card kit for selective use with a plurality of card readers/writers compliant with different access protocols, comprising: a shared circuit module having therein: a non-volatile memory; and a control circuit coupled to said non-volatile memory and communicable with the plurality of card readers/writers via a plurality of data transmission paths, respectively; and a plurality of carrier housings, each of which has a configuration fitting a connecting site of one of the plurality of card readers/writers and has a room for accommodating said shared circuit module, wherein when one of the plurality of card readers/writers is selected for use, said shared circuit module is mounted to a corresponding one of said plurality of carrier housings fitting the connecting site of the selected card reader/writer, and said corresponding carrier housing is further coupled to the selected card reader/writer to conduct one of said data transmission paths, thereby transmitting data between said non-volatile memory and the selected card reader/writer.