Electrically isolated power and signal coupler system for a patient connected device
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United States of America Patent
Stats
-
Nov 16, 2004
Grant Date -
Jul 4, 2002
app pub date -
Nov 20, 2001
filing date -
Nov 20, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An electrically isolated, combined power and signal coupler, for a patient connected device, is disclosed. A docking station and a portable device, capable of docking with the docking station each include a power coupler and an electrically isolated data transducer. The respective power couplers include a magnetically permeable element including a central pole and a peripheral pole and a printed circuit board with an opening through which the central pole protrudes. The printed circuit board includes windings surrounding the central pole opening: a primary winding in the docking station and a secondary winding in the portable device. When the portable device is docked with the docking station, the magnetically permeable element in the portable device and the magnetically permeable element in the docking station are arranged to form a magnetic circuit, and the data transducer in the portable device and the data transducer in the docking station are arranged to exchange data.
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