Patent · US Expired

Method and apparatus to detect an external source

US7142113B2 · kind B2 · utility

2Cited by
15References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 17, 2004
Grant dateNov 28, 2006
Priority date—
Expiry dateMay 3, 2024

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG08B29/046
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

A method and apparatus to detect an external source are described.

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