Maria Dolores Pérez-Guirao

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Hannover, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for coordinated use of mobile radio frequencies
- Patent number 11,483,716
- Issue date Oct 25, 2022
- Sennheiser electronic GmbH & Co. KG
- Axel Schmidt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless audio transmission system, particularly a wireless microph...
- Patent number 9,525,458
- Issue date Dec 20, 2016
- Sennheiser electronic GmbH & Co. KG
- Axel Schmidt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Method and system for coordinated use of mobile radio frequencies
- Publication number 20220386134
- Publication date Dec 1, 2022
- SENNHEISER ELECTRONIC GMBH & CO. KG
- Axel SCHMIDT
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and system for coordinated use of mobile radio frequencies
- Publication number 20210243607
- Publication date Aug 5, 2021
- SENNHEISER ELECTRONIC GMBH & CO. KG
- Axel SCHMIDT
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WIRELESS AUDIO TRANSMISSION SYSTEM, PARTICULARLY A WIRELESS MICROPH...
- Publication number 20120224713
- Publication date Sep 6, 2012
- Axel Schmidt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE