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GLOBAL POSITIONING SYSTEM NAVIGATION DEVICE WITHOUT REQUIRING MAP DATABASE

  • US 20110153188A1
  • Filed: 12/17/2009
  • Published: 06/23/2011
  • Est. Priority Date: 12/17/2009
  • Status: Abandoned Application
First Claim
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1. A global positioning system (GPS) navigation device without requiring a map database, comprising:

  • a casing;

    an input module, installed on the casing, for inputting turning point coordinates and pre-turning point coordinates;

    a global positioning system, installed in the casing and electrically coupled to the input module, for generating position coordinates of the GPS navigation device by a satellite positioning method, and outputting a direction instruction to guide a traveling direction according to the turning point coordinates and the pre-turning point coordinates;

    a memory device, installed in the casing and electrically coupled to the global positioning system, for storing the turning point coordinates and the pre-turning point coordinates; and

    a display device, installed on the casing and electrically coupled to the global positioning system, for displaying the direction instruction.

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