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Measuring system for alignment and measurement with an electronic tachymeter

  • US 4,321,683 A
  • Filed: 08/27/1979
  • Issued: 03/23/1982
  • Est. Priority Date: 05/25/1978
  • Status: Expired due to Term
First Claim
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1. In a measuring system for alignment and measuring including a tachymeter station having an electronic tachymeter comprising a calculating means and data transmitting means at the tachymeter station and a receiving device and a pulse integrator at a second station, said tachymeter station further including an information analyzer for analyzing measuring data from said electronic tachymeter, said information analyzer comprising a decoder, a counter, terminal strip means connected to apply input data to said decoder and counter, a shift register connected to receive signals from said decoder, pulse width modulating means connected to pulse width modulate the output of said shift register, said data transmitting means being connected to transmit signals from said modulator, the measuring system further comprising a second presettable counter, comparison means connected to provide an output signal in response to the comparison of data in said first-mentioned and preset counters, and means for controlling said shift register with the output of said comparator.

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