Lionel Federspiel

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Grenoble, FR

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Patents Grantslast 30 patents

Information Patent Grant
Analog audio filter for high frequencies
- Patent number 6,396,934
- Issue date May 28, 2002
- SGS-Thomson Microelectronics S.A.
- Lionel Federspiel
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Differential active filter of the second order
- Patent number 5,699,016
- Issue date Dec 16, 1997
- SGS-Thomson Microelectronics S.A.
- Lionel Federspiel
- H03 - BASIC ELECTRONIC CIRCUITRY