Electromagnetic switch
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United States of America Patent
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Jan 25, 2011
Grant Date -
Nov 5, 2009
app pub date -
May 5, 2008
filing date -
May 5, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
An electromechanical switch may be actuated in a plurality of modes. A base portion of the electromechanical switch includes first and second electrical ports adapted to be electrically coupled in a plurality of modes. A first electromagnetic coil defines a longitudinal axis and is adapted to receive a first energizing current. A second electromagnetic coil extends along the longitudinal axis in spaced apart relationship with the first electromagnetic coil. The second electromagnetic coil is adapted to receive a second energizing current. The first and second ports are selectively coupled in any one of open-terminated mode, attenuation mode, and a short circuit mode based on the energy state of the first and second electromagnetic coils.
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