Multipoint switch
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United States of America Patent
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Dec 9, 2008
Grant Date -
Nov 2, 2006
app pub date -
Feb 20, 2004
filing date -
Apr 3, 2003
priority date (Note) -
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Abstract
The invention relates to a multipoint switch for continuously switching different coil branches of a step-down transformer. According to said invention, at least one torque motor associated to various drive configurations carries out different driving functions for individual groups, thereby substituting a conventional motor.
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