Method and system for determining the occupation state of a parking space
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United States of America Patent
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Apr 21, 2015
Grant Date -
Mar 15, 2012
app pub date -
Aug 8, 2011
filing date -
Aug 9, 2010
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Abstract
A method for determining the occupation state of a parking space, including the steps of: providing a first detection unit equipped with a frequency modulated continuous wave radar; preparing a decision unit and a second detection unit; transmitting via the radar a communication signal modulated on the basis of a first code, alternatively indicating the parking space or a vehicle; receiving the communication signal with the second detection unit; demodulating the first code with the second detection unit; transmitting the first code to the decision unit via the second detection unit; and determining, with the decision unit, the occupation state on the basis of the first code and the second code, alternatively indicating either a vehicle or the parking space.
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