Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 24, 2009
0Patent Application Number
120078230
Date Filed
January 16, 2008
0Patent Primary Examiner
Patent abstract
An electromagnetic interference eliminating apparatus includes a multi-stage filter that is composed of inductors, capacitors and resistors, and an active filter. The multi-stage filter receives an input signal and provides an eliminating band to eliminate the noise in the input signal. The active filter is connected with the multi-stage filter for buffering the input signal that has been eliminated and exactly outputting an output signal.
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