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On-board unit

  • US 7,612,687 B2
  • Filed: 03/08/2007
  • Issued: 11/03/2009
  • Est. Priority Date: 03/27/2006
  • Status: Expired due to Fees
First Claim
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1. An onboard apparatus for reading information stored on a memory medium that is inserted into the apparatus from an opening for medium insertion, the apparatus for use in a vehicle comprising:

  • a position detector for acquiring a current position of the vehicle;

    a map reader for reading map data;

    an area locator for determining whether the vehicle is in a dusty area based on the current position of the vehicle derived from the position detector and the map data derived from the map reader; and

    a dust protector for protecting the apparatus from intrusion of dust through the opening in a preventive manner,wherein the dust protector performs a preventive operation for protecting the apparatus from intrusion of dust when the current position of the vehicle is located in the dusty area.

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