Device for measuring length

  • Inventors:
  • Assignees: Kyoto Doki Seisakusho:Kk
  • Publication Date: September 19, 1980
  • Publication Number: JP-S55122104-A

Abstract

PURPOSE: To display the length of a measured long material in digital exactly and to extent the life of device by using a magnetic metal for the sliding measure and by providing slits in the measure at regular intervals. CONSTITUTION: The slits 3 are provided in the magnetic metal tape 2 at regular intervlas, the surface of slit is coated with resin thin film. The sliding meausre 1 is wound around the drum 7, the magnetic detector 8 produces a pulse every time the slit runs in front of the detector, its count value is digitally displayed by the indicator 9. COPYRIGHT: (C)1980,JPO&Japio

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