← Back to Patent Explorer
EP0166291A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Apparatus for the distribution of luminous energy and its use in optical switching

Assignee: Lignes Telegraphiques et Telephoniques LTT SA
•
Filing: 1985-06-11
•
Granted: —
•
Expires: 2005-06-11
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract Translated from French L'invention concerne un dispositif de distribution d'énergie lumineuse par fibres optiques. Ce dispositif comporte une fibre d'entrée biseautée (2) qui est couplée à une pluralité de fibres de sortie (3) groupées en matrice par l'intermédiaire d'un réseau de diffraction (5) incliné par rapport à la fibre d'entrée biseautée sous un angle tel que le faisceau lumineux diffracté soit un faisceau parallèle sur le trajet duquel sont disposées les fibres de sortie. Application aux systèmes de télédistribution. The invention relates to a device for distributing light energy by optical fibers. This device comprises a bevelled input fiber (2) which is coupled to a plurality of output fibers (3) grouped in a matrix by means of a diffraction grating (5) inclined relative to the input fiber. bevelled at an angle such that the diffracted light beam is a parallel beam on the path of which the output fibers are arranged. Application to cable television systems.

Inventors

  • 👤 Mohamed Gouali

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-10 01:17
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/24; G02B6/26; G02B6/28; G02B6/293; G02B6/29304; G02B6/29305; G02B6/2931; G02B6/2804; G02B6/2817; G02B6/35; G02B6/351; G02B6/3512; G02B6/354; G02B6/3554; G02B6/3558; G02B6/356

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

EP0002873A1 Cited
EP0037680A1 Cited

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag