Here, in addition to the features described in relation to the smartcard shown in FIG 4A, the card can contain an LCD display 19, a microphone/speaker 20, a miniature mouse 21 and {HEAD ~ other features} needed to transmit, receive, and display {TAIL ~ information} 
Here , in addition to the features described in relation to the smartcard shown in FIG 4A , the card can contain an LCD display 19 , a microphone / speaker 20 , a miniature mouse 21 and { HEAD ~ other features } needed to transmit , receive , and display { TAIL ~ information }
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