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METHODS AND APPARATUSES FOR USE WITH MODE-SWITCHABLE NAVIGATION

  • US 20130027248A1
  • Filed: 01/30/2012
  • Published: 01/31/2013
  • Est. Priority Date: 06/27/2008
  • Status: Abandoned Application
First Claim
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1. An apparatus comprising:

  • a controller operatively enabled to cause position locating circuitry to switch from a first mode to a second mode at least partially in response to at least one mode-switching test being satisfied, wherein said at least one mode-switching test is at least partially satisfied in response to detection of at least one non-timed test condition, said at least one non-timed test condition comprising at least a first test condition under which wireless signals greater than or equal to a first threshold signal strength have been acquired from a first set of space vehicles (SVs),wherein said position locating circuitry acquires wireless signals associated with a satellite positioning system (SPS) in the first mode, and acquires said wireless signals less often than during the first mode in the second mode.

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