Ernst Ruberl

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Guntramsdorf, AT

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus including an electroacoustic transducer having terminal c...
- Patent number 6,370,257
- Issue date Apr 9, 2002
- U.S. Philips Corporation
- Peter Bleim
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electroacoustic transducer comprising spring contacts formed with a...
- Patent number 6,072,886
- Issue date Jun 6, 2000
- U.S. Philips Corporation
- Ewald Frasl
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electroacoustic transducer comprising a closing member for closing...
- Patent number 6,038,327
- Issue date Mar 14, 2000
- U.S. Philips Corporation
- Peter Bleim
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Impedance transformer circuit
- Patent number 4,521,741
- Issue date Jun 4, 1985
- AKG Akustische u. Kino-Gerate Gesellschaft m.b.H.
- Ernst Ruberl
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Arrangement For Optimizing the Frequency Response of an Electro-Aco...
- Publication number 20080240482
- Publication date Oct 2, 2008
- NXP B.V.
- Gholamali Haddad
- H04 - ELECTRIC COMMUNICATION TECHNIQUE