Francis Menet

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Boulogne, FR

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Patents Grantslast 30 patents

Information Patent Grant
Method of detecting the presence of speech in a telephone signal an...
- Patent number 4,426,730
- Issue date Jan 17, 1984
- Societe Anonyme dite: Compagnie Industrielle des Telecommunications Cit-Alcatel
- Dominique Lajotte
- H04 - ELECTRIC COMMUNICATION TECHNIQUE