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Surveying methods and apparatus

  • US 7,307,710 B2
  • Filed: 06/20/2005
  • Issued: 12/11/2007
  • Est. Priority Date: 12/20/2002
  • Status: Active Grant
First Claim
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1. A surveying system, comprising:

  • a. at least one target havingi. a unique address for wireless communication,ii. a wireless communication unit operable to activate a selected total station to identify and measure location of a chosen target, andiii. an identification unit comprising a modulated light source for transmitting modulated light employing a modulation scheme for the modulated light which is unique to the chosen target to enable identification of the chosen target by the selected total station, wherein the modulation scheme is adapted to be modified prior to operating the wireless communication unit to activate the selected total station to search for the chosen target, identify the chosen target and measure location of the chosen target, andb. at least one total station activated by wireless communication to search for the chosen target, identify the chosen target and measure location of the chosen target.

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