Patent · US Expired

Position detecting device

US4470108A · kind A · utility

16Cited by
7References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 1, 1981
Grant dateSep 4, 1984
Priority date
Expiry dateDec 1, 2001

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG05B2219/50084
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

Pulses indicating movement distance are frequency divided to a desired resolution and then counted in a microprocessor in accordance with the direction of movement. The position count value addresses a data memory storing switch output data corresponding to desired detection positions.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.