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Device for the reception of GPS position signals

  • US 6,525,693 B2
  • Filed: 10/05/2001
  • Issued: 02/25/2003
  • Est. Priority Date: 10/10/2000
  • Status: Expired due to Fees
First Claim
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1. A device for the reception of position signals from a GPS system, on board a motor vehicle, comprising an antenna mounted within an external rear view mirror of the motor vehicle,wherein the antenna is a four-wire helical antenna, wherein the antenna comprises two half turn helical loops disposed at 90°

  • to one another about a common longitudinal axis, and wherein a first helical loop is formed by a simple electrical conductor, and the a second helical loop is formed half by a simple electrical conductor and half by a section of transmission line comprising a pair of parallel conductors.

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