Norbert Wingerath

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Munich, DE

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Patents Grantslast 30 patents

Information Patent Grant
Circuit arrangement for protecting electronic interface circuit of...
- Patent number 5,003,588
- Issue date Mar 26, 1991
- Siemens Aktiengesellshaft
- Norbert Wingerath
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Circuit for subscriber line interface circuits in a digital time-di...
- Patent number 4,905,227
- Issue date Feb 27, 1990
- Siemens Aktiengesellschaft
- Robert Lechner
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital interface between at least two subscriber line interface ci...
- Patent number 4,893,309
- Issue date Jan 9, 1990
- Siemens AG
- Robert Lechner
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital interface of an integrated subscriber line interface circuit
- Patent number 4,881,226
- Issue date Nov 14, 1989
- Siemens Aktiengesellschaft
- Robert Lechner
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for the operation of an interface circuit between a central...
- Patent number 4,858,226
- Issue date Aug 15, 1989
- Siemens Aktiengesellschaft
- Hans-Werner Rudolf
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Circuit arrangement for the indication of loop closure during the r...
- Patent number 4,809,258
- Issue date Feb 28, 1989
- Siemens Aktiengesellschaft
- Robert Lechner
- H04 - ELECTRIC COMMUNICATION TECHNIQUE