Patent · US Expired

Capacitive sensor

US6829953B2 · kind B2 · utility

5Cited by
6References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 28, 2003
Grant dateDec 14, 2004
Priority date
Expiry dateFeb 28, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01C2009/062
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A capacitive sensor includes a fixed board provided with a fixed electrode unit consisting of one or more electrodes, a movable member provided with a movable electrode unit consisting of one or more electrodes which faces the fixed electrode unit with a gap therebetween, the movable member being rotatable with respect to the fixed board, a weight provided on the movable member, and a retaining element which is disposed between the fixed plate and the weight and retains the movable member in a rotatable manner. At least one of the movable electrode unit and the fixed electrode unit includes a plurality of electrodes.

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