Transformer for RF voltage sensing
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United States of America Patent
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Jul 31, 2012
Grant Date -
Dec 16, 2010
app pub date -
Aug 23, 2010
filing date -
Sep 28, 2006
priority date (Note) -
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Abstract
An electrosurgical system is disclosed. The electrosurgical system includes a multiple-secondary transformer configured for sensing voltage. The multiple-secondary transformer includes a primary winding coupled to an active terminal and a return terminal of the electrosurgical system and a plurality of secondary windings. Each of the secondary windings is configured to transform the radio frequency voltage into a sensed voltage. Each of the secondary windings includes an output coupled to a sensor circuit and configured to transmit the sensed voltage to the sensor circuit.
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