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Guy Le Roy
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Lannion, FR
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last 30 patents
Information
Patent Grant
Optical transmission network with a switching matrix
Patent number
5,537,239
Issue date
Jul 16, 1996
Alcatel NV
Michel Sotom
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical wavelength converter control method and device
Patent number
5,345,455
Issue date
Sep 6, 1994
Alcatel N.V.
Jean-Michel Gabriagues
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Photonic concentrator
Patent number
5,325,222
Issue date
Jun 28, 1994
Alcatel Cit
Jean-Baptiste Jacob
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Photonic time-division multiplexer and demultiplexer
Patent number
5,319,484
Issue date
Jun 7, 1994
Alcatel Cit
Jean-Baptiste Jacob
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Photonic switching matrix
Patent number
5,309,266
Issue date
May 3, 1994
Societe Anonyme dite: ALCATEL CIT
Jean-Baptiste Jacob
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Asynchronous optical communication system
Patent number
5,105,292
Issue date
Apr 14, 1992
Alcatel Cit
Guy Le Roy
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System for connecting optical lines to a wideband telecommunication...
Patent number
5,086,348
Issue date
Feb 4, 1992
Alcatel Cit
Guy Le Roy
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Methods of broadcasting and receiving high quality sound programs a...
Patent number
4,723,285
Issue date
Feb 2, 1988
Compagnie Industrielles des Telecommunications Cit-Alcatel
Guy Le Roy
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Time-division multiplex switching circuitry
Patent number
3,999,162
Issue date
Dec 21, 1976
Societe Lannionnaise d'Electronique Sle-Citerel
Guy Le Roy
H04 - ELECTRIC COMMUNICATION TECHNIQUE