Patent · US Expired

Multi-coordinate measuring machine

US4647206A · kind A · utility

16Cited by
4References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 18, 1984
Grant dateMar 3, 1987
Priority date
Expiry dateSep 18, 2004

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01B2290/45
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

The invention contemplates a multi-coordinate measuring machine with interferometric detection of the path of displacement in each of the measurement axes. Each measurement axis is provided with at least one interferometer head which consists of a beam splitter, reference mirror and photoelectric detector. The interferometer heads are supplied by a monomode fiber from a single stationary laser generator.

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