Patent · US Expired

Position sensor assembly utilizing magnetic field variations

US6693421B2 · kind B2 · utility

8Cited by
7References
24Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 26, 2001
Grant dateFeb 17, 2004
Priority date
Expiry dateJul 26, 2021

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01P3/487
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A sensor assembly senses one of position, velocity, acceleration or change of acceleration. The assembly includes at least one magnet having a north and south pole and a magnetic axis defined therebetween; a magnetic flux responsive device, the at least one magnet being fixedly adjacent to the magnetic flux responsive device; and a ferrous target selectively movable relative to the at least one magnet.

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