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Navigation system utilizing audio CD player for data storage

  • US 5,592,389 A
  • Filed: 03/06/1995
  • Issued: 01/07/1997
  • Est. Priority Date: 12/03/1990
  • Status: Expired due to Fees
First Claim
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1. In a navigation system which includes data storage means for storing a database containing map data and navigation information, means for storing software for controlling the system and effecting route selection in cooperation with the database, and a navigator processor connected to the means for storing software for operating the navigation system under control of the software, the improvement wherein said data storage means comprise:

  • a) an audio CD player having a read head and means for positioning said read head in response to positioning signals from said navigator processor; and

    b) a CD storing the database in an audio format, said CD being playable by said player.

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