IC card with a solar battery
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United States of America Patent
Stats
-
Mar 14, 1989
Grant Date -
N/A
app pub date -
Jul 12, 1988
filing date -
Jul 13, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An IC card having a plastics card body which mounts a CPU, a RAM, a ROM, a solar battery mounts also to EEPROM (electrically erasable programmable read only memory), which is used for identification of a card owner. Due to high power consumption of said EEPROM, a tandem type solar battery in which a plurality of opto-electric conversion cells are laminated on a substrate is used. The present IC card can operate with only the solar battery mounted inside of the IC card, and has no secondary battery.
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