H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 5/00 (2006.01) G06K 7/08 (2006.01) G06K 19/07 (2006.01) H02J 5/00 (2006.01)
Patent
CA 2066552
An apparatus for contactless data and energy transmission and includes a stationary part having device far transmitting and receiving data and device for generating energy. A movable part has a plurality of rectifier devices each with at least one output and modulators each being connected downstream of a respective one of the rectifier devices. A first pair of coils is connected to the device for transmitting and receiv- ing data and to the rectifier device for transmitting data from the stationary part to the movable part. A second pair of coils is connected to the device for generating energy and to the rectifier device for transmitting energy from the stationary part to the movable part. The coils in the stationary part are arbitrarily associated with the coils in the movable part, and data is transmitted from the movable part to the stationary part by a load variation at the coil of the movable part not being used for energy transmission. Controllable semiconductor elements each having a load path are connected between the at least one output of a respective one of the rectifier devices and a charge capacitor at which an unregulated operating voltage can be picked up, for delivering output signals of the rectifier device to the charge capacitor. A method for operating the apparatus includes ascertaining which coil is used for energy transmis- sion during an initializing time within the movable part, and thereupon disconnecting the rectifier device and the modula- tor from the charge capacitor through the applicable control- lable semiconductor element. 12 A1203 Co:
Donig Gunter
Reiner Robert
Scheckel Bruno
Schon Karl-Reinhard
Aktiengesellschaft Siemens
Fetherstonhaugh & Co.
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