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Saint Quentin en Yvelines, FR

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Patents Grantslast 30 patents

Information Patent Grant
Loudspeaker gain correction for a hands-free telephone terminal
- Patent number 5,970,137
- Issue date Oct 19, 1999
- Prescom
- Yves Le Damany
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Switching device for a telephone set with handset, switching an aux...
- Patent number 5,778,061
- Issue date Jul 7, 1998
- Prescom
- Philippe Parment
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sound acquisition method and system, and sound acquisition and repr...
- Patent number 5,524,059
- Issue date Jun 4, 1996
- Prescom
- Frederic Zurcher
- H04 - ELECTRIC COMMUNICATION TECHNIQUE