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Apparatus for monitoring individual parking positions

  • US 7,855,661 B2
  • Filed: 04/25/2008
  • Issued: 12/21/2010
  • Est. Priority Date: 04/26/2007
  • Status: Expired due to Fees
First Claim
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1. An apparatus for monitoring individual parking positions of a parking area, the apparatus comprising:

  • a sensor (9) for vehicle detection,optical indicator means (5) for indicating an occupied/free status, the sensor (9) comprising a transmit aerial (10, 21) for radio transmitting the occupied/free status of an individual parking position (14) to a parking facility control center,the optical indicator means (5) including at least one bistable indicator element, andat least one of the transmit aerial (10) and a receive aerial (13a) are directional and an additional non-directional aerial (21, 13b) is provided, and the at least one transmit aerial (10) which is directional and the additional non-directional aerial (21, 13b) are switched to operate alternatively.

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