Patent ID: 7118421

Claim:
An IC card adapter device for host electronic equipment comprising: a device case connected with the host electronic equipment; a loading portion provided at one side surface of the device case adapted to connect the host electronic equipment, the host electronic equipment including at least one semiconductor integrated circuit element, and said host electronic equipment including a first terminal; a second terminal provided at the loading portion of the device case, adapted for performing transmission/reception of data to the first terminal; an insertion/withdrawal opening provided at the other side surface opposite to the one side surface of the device case; cut portions respectively provided at the other side surface of the device case, and serving to face toward the external surface, wherein one of the cut portions is greater than the other serving to face a memorandum area of an IC card toward the external surface so that the memorandum area can be visually recognized in the state where the IC card is connected to the IC card adapter device; a first insertion direction indication portion provided on the upper surface of the casing of the IC card adapter device to conform insertion direction into the insertion portion of the host equipment; and a second insertion direction indication portion and an insertion attitude indication portion provided at the bottom surface of the casing of the IC card adapter device, said insertion attitude indication portion consisting of a model view of the IC card to prevent erroneous insertion of the IC card.