Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – With magneto-mechanical motive device
Reexamination Certificate
2007-11-02
2008-08-19
Barrera, Ramon M (Department: 2832)
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
With magneto-mechanical motive device
C335S275000, C335S276000, C359S196100, C359S223100, C359S224200
Reexamination Certificate
active
07414503
ABSTRACT:
A pivoting device such as a MEMS mirror provides improved coupling between a permanent magnet on the device and an adjacent electrical coil that may provide a drive force or position sensing. The improved coupling is obtained by forming a cavity in the coil structure. The cavity receives the permanent magnet such that the spacing between the magnet and the electrical windings or coil is at a minimum.
REFERENCES:
patent: 6731420 (2004-05-01), Orcutt et al.
Heaton Mark W.
Orcutt John W.
Barrera Ramon M
Brady III W. James
Kempler William B.
Telecky , Jr. Frederick J.
Texas Instruments Incorporated
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