Navigation system

Navigation system

  • CN 1,766,529 A
  • Filed: 10/26/2005
  • Published: 05/03/2006
  • Est. Priority Date: 10/27/2004
  • Status: Active Application
First Claim
Patent Images

1. a navigational system comprises:

  • Be used to store non-volatile, the writable memory of digital navigation data, be preferably hard disk andBe used for checking that access code is stored in the device of the digital navigation data of described storer to allow visit.

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