Patent ID: 6729548
Filing Date: 2004-05-04
Classification: G06K,H05K,Y10S

Abstract:
An electric device connectable to an external apparatus, comprising:a card body incorporating at least one controlling integrated circuit, said card body having a top, a forward end and a lateral side, said top of the card body having a concavity open at the forward end; a connector portion for communicating with said external apparatus, said connector portion having a plurality of terminals disposed side by side in the concavity in an inserting direction of the card body, said plurality of terminals having a signal input/output terminal for digital signal input or digital signal output for serial communication with said external apparatus and a reserved terminal for signal input or signal output, said reserved terminal being used only for parallel digital communication with said external apparatus, such that said signal input/output terminal is used without said reserved terminal for serial communication and said reserved terminal is used with said signal input/output terminal for signal input or signal output when in parallel communication with said external apparatus; and insulating projections formed between adjacent terminals disposed in the concavity.