Patent · US Expired

Optical fiber security system

US4591709A · kind A · utility

18Cited by
3References
8Claims
0Family size

Inventors

Key dates

Filing dateDec 19, 1983
Grant dateMay 27, 1986
Priority date
Expiry dateDec 19, 2003

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG08B13/10
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

An optical fiber security system having two optical fiber strands each with a light transmission and detection capability such that a deformation as is caused by unwanted intrusion of one of the strands with respect to the other is detected.

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