Patent · US Expired

Manipulator arm position sensing

US4826391A · kind A · utility

25Cited by
7References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 23, 1988
Grant dateMay 2, 1989
Priority date
Expiry dateFeb 23, 2008

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE02F9/26
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

An apparatus determining relative positions of arm elements of a manipulator having at least two relatively moveable arm segments uses image analysis and a model of the manipulator to analyze an image of the two arms to determine the joint angles between adjacent arms.

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