Park card system for electronic parking meter
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 14, 1989
Issued Date -
N/A
app pub date -
Mar 25, 1988
filing date -
Apr 16, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A card system for an electronic parking meter. At least one card is provided and has an electrically erasable programmable memory containing data therein. At least one coin slot in the electronic parking meter is provided and the card has at least a portion thereof dimensioned to fit into the coin slot. A card switch in the coin slot is activated only by the card and provides a card switch signal. A microprocessor in the electronic parking meter receives the card switch signal and in response thereto supplies power for the card and exchanges data with the card. An interface circuit connects the microprocessor to the card. The portion of the card has electrical contacts for engagement with electrical contacts of a power supply and with the interface circuit.
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Family
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Cited Art Landscape
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