BaBeDa – Battery-free acceleration data logger

BaBeDa is a passive energy self-sufficient data logger for detection and documentation of shock events. A piezoelectric element is used as an acceleration sensor, since it – depending on the magnitude of the acceleration – produces electrical signals during a shock. These electrical signals are used both as a measurement signal and as power source for the circuit, which stores the data concerning the shock event. BaBeDa can be used in particular for shock detection in shipping. In the packing stations and logistics centers each BaBeDa chip can be read out to determine whether a packet was transported properly or not.
For this purpose BaBeDa can already be integrated into a packing during its production. Multiple usage is possible. Since BaBeDa is energy self-sufficient, there are no restrictions on the use of time. Because of the simple technique BaBeDa is compact, suitable for mass production and therefore also very cost effective.
A German patent application has been filed at the DPMA. On behalf of the University of Applied Sciences Bielefeld, we offer the opportunity of licensing and further development of the technology to interested companies.

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