Detlev Beyer

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Isenbuttel, DE

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Patents Grantslast 30 patents

Information Patent Grant
Audio system for vehicles, in particular for motor vehicles
- Patent number 6,288,634
- Issue date Sep 11, 2001
- Delphi Automotive Systems Deutschland GmbH
- Bernd Weiss
- G02 - OPTICS
Information Patent Grant
Method and arrangement for automatically limiting distortion in aud...
- Patent number 6,154,550
- Issue date Nov 28, 2000
- Volkswagen AG
- Detlev Beyer
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method and arrangement for reproducing audio signals
- Patent number 6,078,670
- Issue date Jun 20, 2000
- Volkswagen AG
- Detlev Beyer
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method for controlling the sound of audio signals within a frequenc...
- Patent number 5,892,832
- Issue date Apr 6, 1999
- Volkswagen AG
- Detlev Beyer
- H03 - BASIC ELECTRONIC CIRCUITRY