Stefan Zimmermann

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Stuttgart, DE

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Patents Grantslast 30 patents

Information Patent Grant
Piezoelectric partial-surface sound transducer
- Patent number 9,148,728
- Issue date Sep 29, 2015
- Robert Bosch GmbH
- Steffen Polster
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Microelectromechanical loudspeaker array with predetermined period...
- Patent number 8,761,418
- Issue date Jun 24, 2014
- Robert Bosch GmbH
- Ando Feyh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
PIEZOELECTRIC PARTIAL-SURFACE SOUND TRANSDUCER
- Publication number 20130287232
- Publication date Oct 31, 2013
- Steffen Polster
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MICROELECTROMECHANICAL LOUDSPEAKER ARRAY, AND METHOD FOR OPERATING...
- Publication number 20130094679
- Publication date Apr 18, 2013
- Ando Feyh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE