Olle Andersson

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Jarfalla, SE

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Patents Grantslast 30 patents

Information Patent Grant
Trimmable variable compression amplifier for hearing aid
- Patent number 5,838,807
- Issue date Nov 17, 1998
- Mitel Semiconductor, Inc.
- Olle Andersson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Class D hearing aid amplifier with feedback
- Patent number 5,815,581
- Issue date Sep 29, 1998
- Mitel Semiconductor, Inc.
- Olle Andersson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE