Patents/Inventors

Ulf Ehrhardt

MunichDE1 patent

2 Patents

US121018572024
Light Source Driver Circuit, Optical Measuring Device Comprising the Light Source Driver Circuit, Device for Checking Value Documents, and Method for Operating a Light Source Load by Means of the Light Source Driver Circuit
GIESECKE+DEVRIENT CURRENCY TECHNOLOGY GmbH
0 cites
US117563622023
Method and Sensor for Testing Documents
GIESECKE+DEVRIENT CURRENCY TECHNOLOGY GmbH
0 cites