Patent ID: 6147861
Filing Date: 2000-11-14
Classification: G06K,H01L

Abstract:
A card shaped external storage device unit capable of interfacing with a card shaped external storage device main that stores data, the card shaped external storage device main comprising a storage element containing at least one flash type non-volatile semiconductor memory device capable of being electrically written with the data to be stored, and a flat type connection terminal formed on a surface of the card shaped external storage device main, the card shaped external storage device unit comprising:means capable of engaging, insertedly and rigidly attaching and detaching the external storage device main;a resilient contact capable of electrically connecting to the connection terminal of the external storage device main; andmeans capable of driving and controlling the storage element, the driving and controlling means being capable of causing the flash type non-volatile semiconductor memory device to receive, store, and output data, and the driving and controlling means comprising at least an integrated circuit.