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Integrated apparatus and method for EDM and GPS surveying

  • US 5,760,909 A
  • Filed: 03/25/1996
  • Issued: 06/02/1998
  • Est. Priority Date: 03/25/1996
  • Status: Expired due to Term
First Claim
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1. An electronic distance measurement (EDM) apparatus (41), for attachment to a surveying range pole (42) for reflecting a light beam (56), comprising:

  • a housing having a circular exterior (46) concentric with a vertical center axis (48) of said range pole (42); and

    a reflective outer surface (54) encircling said circular exterior (46) for reflecting said light beam (56) over an angular azimuth range of 360°

    .

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