Navigation system for a vehicle

  • US 7,158,881 B2
  • Filed: 01/12/2004
  • Issued: 01/02/2007
  • Est. Priority Date: 11/24/1999
  • Status: Expired due to Fees
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First Claim
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1. A navigation system suitable for use in a vehicle comprising:

  • a vehicle;

    said vehicle including an interior rearview mirror assembly, said interior rearview mirror assembly comprising an interior reflective element, said interior rearview mirror assembly further comprising a display;

    a database at a site remote from said vehicle, said database including at least one chosen from map data and directory data;

    a global-positioning system receiver, said global-positioning system receiver locatable in said vehicle during a road journey, said global-positioning system receiver operable to receive signals from satellites external to said vehicle;

    a transceiver operable to engage in a wireless communication with a remote transceiver located at a site remote from said vehicle, said transceiver locatable in said vehicle during said road journey;

    said transceiver operable to receive a wireless data transmission from said remote transceiver of data derived from said database;

    a user input whereby a user can input a destination, said system responsive to said input of said destination by wirelessly communicating said destination to said remote transceiver;

    said wireless data transmission from said remote transceiver to said transceiver comprising downloading of directions generally to said destination, said directions being derived from said database;

    said display at said interior mirror displaying turn-by-turn instructions to said destination during said road journey, said turn-by-turn instructions being based on said downloaded directions and on said signals received by said global-positioning system receiver;

    wherein said turn-by-turn instructions comprise at least one chosen from (i) direction, (ii) when to turn, and (iii) how far until the turn; and

    wherein said navigation system includes a short-range wireless communication link.

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