Patent · US Expired

Improved communications cable with lines of weakness

US4456331A · kind A · utility

58Cited by
2References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 9, 1982
Grant dateJun 26, 1984
Priority date
Expiry dateJun 9, 2002

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B6/4431
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A communications cable based on optical fibres comprises a core 2 with external helical channels 13. The fibres 6 in the channels are accessible through removable parts 15 of an outer sheath 4.

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