Jani Kauppinen

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Oulu, FI

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Patents Grantslast 30 patents

Information Patent Grant
Electronic circuit for a switching power amplifier and method for s...
- Patent number 6,819,177
- Issue date Nov 16, 2004
- Nokia Corporation
- Antti Ruha
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Adaptive sigma-delta data converter for mobile terminals
- Patent number 6,577,258
- Issue date Jun 10, 2003
- Nokia Corporation
- Antti Ruha
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method and apparatus for suppressing tones induced by cyclic dynami...
- Patent number 6,535,155
- Issue date Mar 18, 2003
- Nokia Corporation
- Antti Ruha
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Electronic circuit for a switching power amplifier and method for s...
- Publication number 20040004517
- Publication date Jan 8, 2004
- Nokia Corporation
- Antti Ruha
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Adaptive sigma-delta data converter for mobile terminals
- Publication number 20030067404
- Publication date Apr 10, 2003
- Nokia Corporation
- Antti Ruha
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
METHOD AND APPARATUS FOR SUPPRESSING TONES INDUCED BY CYCLIC DYNAMI...
- Publication number 20030001764
- Publication date Jan 2, 2003
- Antti Ruha
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Method and apparatus for measuring battery charge and discharg curr...
- Publication number 20020084772
- Publication date Jul 4, 2002
- Nokia Corporation
- Antti Ruha
- G01 - MEASURING TESTING