Card comprising electrical contacts
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United States of America Patent
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May 24, 2005
Grant Date -
Aug 21, 2003
app pub date -
May 2, 2001
filing date -
May 3, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A card comprises electrical contacts (32, 34) for communicating data in the form of a differential accordance with a universal serial bus (USB) standard. The card can be inserted in a card reader having complementary electrical contacts (16). The card has an insertion edge (A) which traverses the complementary electrical contacts when the card is inserted in the card reader in a correct fashion. The card comprises an electrical contact for receiving a power supply voltage which (22) electrical contact (22) is closer to the insertion edge than either electrical contact of the pair of electrical contacts (32, 34) for communicating data in the form a differential signal in accordance the USB standard.
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