Electronic parking meter system
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United States of America Patent
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-
Mar 21, 2006
Issued Date -
N/A
app pub date -
May 30, 2001
filing date -
Oct 2, 1996
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The field of the present invention is parking meters and more particularly to the use of electronically operated parking meters coupled with a sensor for positively sensing unobtrusively the presence or absence of a vehicle in a specified parking space controlled by the sensor and electronically operated parking meter. An induction coil mounted below the surface of the parking area is used to provide positive signals to the electronically operated parking meter and a cpu upon both the entrance of a vehicle into the parking space and the movement of the vehicle from the parking space. Moreover, the detecting system is battery operated and the battery life is extended by duty cycle operation of the detector system, whereby only a small portion of a detecting cycle is actually employed for detecting the status of the parking space.
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Family
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Cited Art Landscape
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