Device for optical communication between electronic modules

Details Device for optical communication between electronic modules Device for optical communication between electronic modules

2005-03-15

2005-03-15

Healy, Brian (Department: 2883)

Optical waveguides

With optical coupler

Plural

C385S031000, C385S039000, C385S047000, C385S088000, C398S118000, C398S130000

Reexamination Certificate

active

06868202

ABSTRACT:
The device enables bi-directional optical communication between a master module and slave modules by means of an optical rod (1) made of transparent material. The master module is axially coupled to the rod. The modules are arranged laterally along a useful part of the rod bounded by a lateral reflector located opposite the slave modules. The lateral reflector can be formed by a plurality of adjacent notches (12) formed at the surface of the rod and constituting a continuous reflecting zone in the form of serrated teeth, and/or by a narrow reflecting strip (17). The slave modules can be positioned anywhere along the useful part of the rod and their lateral location is not critical, a lateral coupling zone extending over at least 1 cm outside the rod. Such a device can be advantageously used in an electrical panel.

REFERENCES:
patent: 5091985 (1992-02-01), Heidemann
patent: 5659643 (1997-08-01), Appeldorn et al.
patent: 5923800 (1999-07-01), Takano et al.
patent: 6307987 (2001-10-01), Wang et al.
patent: 6628441 (2003-09-01), Staiger
patent: 197 09 174 (1998-09-01), None
patent: 0 833 178 (1998-04-01), None
patent: WO 0017687 (2000-03-01), None

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