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Dimension measuring instrument

  • US 4,505,042 A
  • Filed: 04/09/1984
  • Issued: 03/19/1985
  • Est. Priority Date: 04/19/1983
  • Status: Expired due to Term
First Claim
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1. A dimension measuring instrument comprising:

  • an encoder for converting a displacement of a spindle into an electric signal;

    an analogue indication device for electrically indicating a measured value obtained through processing of an output from said encoder, said analogue indication device electrically indicating the measured value by a pattern including at least one scale and a pointer;

    a scale indicating circuit included in said analogue indication device, said scale indicating circuit indicating at least one scale having different scale intervals in one scale row; and

    a pointer indicating circuit included in said analogue indication device, said pointer indicating circuit driving said pointer in accordance with said measured value and depending on the scale intervals for the indication;

    whereby a range of dimension indication is expanded without deteriorating the reading accuracy within a predetermined range of dimension indication.

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