Jukka Varis

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Vantaa, FI

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Patents Grantslast 30 patents

Information Patent Grant
Switching mode power amplifier using PWM and PPM for bandpass signals
- Patent number 6,993,087
- Issue date Jan 31, 2006
- Nokia Mobile Phones Ltd
- Seppo Rosnell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for a generation of a two-level signal
- Patent number 6,975,177
- Issue date Dec 13, 2005
- Nokia Corporation
- Jukka Varis
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Power control for a switching mode power amplifier
- Patent number 6,917,244
- Issue date Jul 12, 2005
- Nokia Corporation
- Seppo Rosnell
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Bias voltage controlled parallel active components
- Patent number 6,301,467
- Issue date Oct 9, 2001
- Nokia Mobile Phones Ltd
- Esko Järvinen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Power control for a switching mode power amplifier
- Publication number 20040251962
- Publication date Dec 16, 2004
- Nokia Corporation
- Seppo Rosnell
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Modulation system
- Publication number 20040246060
- Publication date Dec 9, 2004
- Nokia Corporation
- Jukka Varis
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Switching mode power amplifier using PWM and PPM for bandpass signals
- Publication number 20030058956
- Publication date Mar 27, 2003
- Seppo Rosnell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE