Connection means for optical fibres

Details Connection means for optical fibres Connection means for optical fibres

1998-11-30

2001-05-01

Ngo, Hung N. (Department: 2874)

Optical waveguides

With disengagable mechanical connector

Structure surrounding optical fiber-to-fiber connection

C385S120000, C385S121000

Reexamination Certificate

active

06224269

ABSTRACT:

TECHNICAL FIELD
The present invention relates to an optical connection means arranged to be able to rearrange and connect optical fibres connected to the connection means.
STATE OF THE ART
From EP-0 458 608 A1 is known a connecting means for optical fibres having an integrated optical circuit which permits a reconfiguration of an optical system in the connection means.
DESCRIPTION OF THE INVENTION
In order to simplify the handling of optical fibre ribbons, so called fibre ribbons, a component, an optical connection means, a so called MT-connector with integrated cross-connections has been developed, with which component optical fibres connected to the component can be rearranged e.g. cross-connected and connected via an interface. The invention will be described more closely with the help of preferred embodiments and with reference to the accompanying figures.
Today developments are heading towards more cost effective solutions at the circuit board level, e.g. four transmitters such as laser transmitters or four receivers can be built together on a single chip, a so called array. Such chips in turn can be encapsulated in a single capsule and in this case a four channel array transmitter or receiver can be obtained well packaged for mounting on a circuit board. During allocation to a subscriber it is desirable to be able to draw out a fibre from each of a transmitter and a receiver and consequently to obtain a bi-directional two-fibre link where the transmitter fibre and receiver fibre lie immediately beside each other. In order to obtain this configuration a sort of optical cross coupling of the “sidings” type is required. With such a “sidings” integrated with a so-called MT-connector interface from for example a four-fibre transmitter array and a four-fibre receiver array an eight-fibre MT-connection interface can be obtained with alternating transmitter respective receiver fibres next to each other. The cross connecting itself—“sidings”—can either be integrated completely in the connector itself or can be inside a lengthened break protection in direct connection to the connector.


REFERENCES:
patent: 3473872 (1969-10-01), Okamura
patent: 5367596 (1994-11-01), Chow
patent: 0458608 A1 (1991-01-01), None
International Search Report, Oct. 1998.

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