Electrical generator or motor structure – Dynamoelectric – Reciprocating
Reexamination Certificate
2003-06-02
2008-09-02
Mullins, Burton (Department: 2834)
Electrical generator or motor structure
Dynamoelectric
Reciprocating
C310S015000
Reexamination Certificate
active
07420300
ABSTRACT:
A voice coil motor of the movable coil type comprising a stator including a permanent magnet. The stator produces a magnetic field. A movable element made of an armature coil is provided. The armature coil is formed into a coil-shape having a cavity portion. A reinforcing beam made of non-magnetic and highly rigid material is formed at a substantial center of the cavity portion.
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Chinese Office Action dated Nov. 9, 2007 for Application No. 3812866.7.
Kabushiki Kaisha Yaskawa Denki
Mullins Burton
Sughrue & Mion, PLLC
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