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Device and method for position information

  • US 7,589,670 B2
  • Filed: 08/25/2006
  • Issued: 09/15/2009
  • Est. Priority Date: 10/21/2005
  • Status: Expired due to Fees
First Claim
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1. An apparatus for position information, comprising:

  • a satellite assisted position measuring device having (1) a power drawing measurement mode which provides a present position of the apparatus at an output, and (2) a power saving idle mode;

    a mobile radio network assisted communication device connected to said output for sending the position via a cellular mobile radio network, wherein the communication device provides a local reception field strength and a local cell identifier of the mobile radio network at an interface; and

    a control device which is connected to the output of the position measuring device and to the interface of the communication device, wherein, in the event of a change in the reception field strength which exceeds a threshold value or in the event of a change in the cell identifier, the control device switches the position measuring device to the measurement mode and, if the position remains the same over a prescribed period, switches the position measuring device to the idle mode.

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