Low power consumption non-contact integrated circuit card
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United States of America Patent
Stats
-
Jan 26, 1993
Grant Date -
N/A
app pub date -
Aug 9, 1990
filing date -
Mar 13, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A noncontact IC card comprises a data transmit-receive circuit for transmitting and receiving data without contact, a detection circuit for detecting a trigger signal in a signal received by the data transmit-receive circuit, a data processing circuit connected to the data transmit-receive circuit for processing the data, a clock generating circuit for supplying a clock signal to the data processing circuit, an actuating circuit for actuating the clock generating circuit in response to the detection of the trigger signal by the detection circuit, and a battery for supplying electric power to each of the above circuits.
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