Energy transmission device

Details Energy transmission device Energy transmission device

2006-02-21

2010-02-23

Fleming, Fritz M (Department: 2836)

Electrical transmission or interconnection systems

Electromagnet or highly inductive systems

Reexamination Certificate

active

07667352

ABSTRACT:
The invention relates to an energy transmission device having a primary coil for transmitting to a detachable secondary coil electromagnetic energy by induction with the electromagnetic energy being characterized by an energy transmission frequency and sensing component for detecting at least one characteristic variable of a detachable secondary end including the secondary coil. The sensing component is adapted to detect information on the presence of a detachable secondary end in an especially reliable manner. For this purpose, the sensing component couples a measuring voltage having a measuring frequency that is different from the energy transmission frequency into the secondary coil.

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patent: 2003/0069051 (2003-04-01), Pretre et al.
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Machine translation of JP2000-134830.
International Search Report PCT/EP2006/060120.

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