Patent · US Expired

Proximity switch

US6664661B1 · kind B1 · utility

10Cited by
9References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 16, 2000
Grant dateDec 16, 2003
Priority date
Expiry dateJun 22, 2021

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03K2217/960775
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

A proximity switch is described, specifically a capacitive proximity switch, with two signal transmitters (1, 2) and with one signal receiver (3), a first signal output (4, 5) of each of the two signal transmitters (1, 2) being connected to one another and to a first signal input (6) of the signal receiver (3), and a second signal output (7, 8) of each of the two signal transmitters (1, 2) being connected via a respective signal transmission path (9, 10) to a second signal input (11) of the signal receiver (3), and at least one of the two signal transmission paths (9, 10) can be influenceable by an actuating object.

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