Patent · US Expired

Learning proximity detector

US5895441A · kind A · utility

2Cited by
2References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 26, 1996
Grant dateApr 20, 1999
Priority date
Expiry dateApr 26, 2016

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03K2217/94021
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

A proximity detector including a sensor unit that produces an analog signal and a processor circuit digitizing this signal. The processor circuit includes logic that determines a switching value from an initial value and an extreme value obtained during a learning mode.

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