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Handheld GPS device

  • US 7,382,314 B2
  • Filed: 12/22/2006
  • Issued: 06/03/2008
  • Est. Priority Date: 03/24/2006
  • Status: Active Grant
First Claim
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1. A handheld GPS device, comprising:

  • a base band processor;

    a plurality of antennas with high directivity for receiving GPS signals;

    a control device, coupled to the base band processor and the antennas with high directivity; and

    at least two switches, coupled to the control device, wherein one of the switches enables the control device to permit the base band processor receiving GPS signal from one of the antennas with high directivity when a frame triggers one of the switches.

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