Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 4, 2013
Patent Application Number
12817338
Date Filed
June 17, 2010
Patent Citations Received
Patent Primary Examiner
Patent abstract
A biaxial scanning mirror for an image forming apparatus includes a first wafer, a second wafer, and a spacer. The first wafer includes a mirror unit, a rectangular rotating unit, a permanent magnet, and a magnetically permeable layer. The second wafer has at least two cores each surrounded by a planar coil applied with an AC current for switching magnetic polarization of the cores such that the cores are attracted to or repelled from the rotating unit alternatively, thereby driving the rotating unit to rotate.
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