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Cutoff saw

  • US 3,931,498 A
  • Filed: 04/19/1972
  • Issued: 01/06/1976
  • Est. Priority Date: 04/19/1972
  • Status: Expired due to Term
First Claim
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1. Apparatus for converting pulses representing movement in one unit of measurement to pulses representing another unit of measurement, includingmeans for generating pulses representing both distance and direction of movement,clock means for supplying clock pulses at a rate higher than the pulse rate of said pulse generating means,first and second adjustable counter means,means responsive to said first counter for supplying a predetermined number of clock pulses to said second counter for each pulse supplied by said pulse generating means, andgate means responsive to the pulse output of said pulse generating means for directing said predetermined number of pulses to cause said second counter to count either up or down, depending on the direction of movement of said pulse generating means,said second counter providing one of two outputs, depending upon the direction of movement of said pulse generating means, whenever the number of pulses supplied thereto obtains a predetermined value,whereby the output from said second counter means is determined by the pulses supplied from said pulse generating means as modified between ratio of the predetermined number preset into the first and second counter means.

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