Ulf EHRHARDT

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Munchen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Light source driver circuit, optical measuring device comprising th...
- Patent number 12,101,857
- Issue date Sep 24, 2024
- GIESECKE+DEVRIENT CURRENCY TECHNOLOGY GMBH
- Ulf Ehrhardt
- G07 - CHECKING-DEVICES
Information Patent Grant
Method and sensor for testing documents
- Patent number 11,756,362
- Issue date Sep 12, 2023
- GIESECKE+DEVRIENT CURRENCY TECHNOLOGY GMBH
- Wolfgang Deckenbach
- G07 - CHECKING-DEVICES

Patents Applicationslast 30 patents

Information Patent Application
LIGHT SOURCE DRIVER CIRCUIT, OPTICAL MEASURING DEVICE COMPRISING TH...
- Publication number 20220264720
- Publication date Aug 18, 2022
- GIESECKE+DEVRIENT CURRENCY TECHNOLOGY GMBH
- Ulf EHRHARDT
- G07 - CHECKING-DEVICES
Information Patent Application
METHOD AND SENSOR FOR TESTING DOCUMENTS
- Publication number 20210248855
- Publication date Aug 12, 2021
- GIESECKE+DEVRIENT CURRENCY TECHNOLOGY GMBH
- Wolfgang DECKENBACH
- G07 - CHECKING-DEVICES