Mobile information storage and communication device and method of communication

[0076] A preferred embodiment of a mobile low-cost electronic token device according to the present invention is shown in FIGS. 1 to 5.

[0077] Although the device can be implemented as an object having virtually any shape, such as a tag card, card case, or CD sleeve, a traditional standard format is the shape of an ISO7811 credit card with an integrated circuit. The card 10 may optionally have an electromagnetic strip (not shown) and an embossed text area to be approved for use as a traditional credit card.

[0078] As is apparent from Fig. 1, the card 10 is preferably composed of three layers of sheets 12, 18, 24, more suitably a polyester plastic material with a combined thickness of 0.8 mm, that is, the thickness of a traditional credit card.

[0079] In the preferred embodiment, the card has an input device including a keyboard 14, a data storage and processing device including an integrated circuit (IC) 50, and a transceiver / energy supply device including a capacitive transc