Electricity: motive power systems – Positional servo systems – With particular 'error-detecting' means
Reexamination Certificate
2005-12-28
2008-11-04
Mullins, Burton (Department: 2834)
Electricity: motive power systems
Positional servo systems
With particular 'error-detecting' means
C318S599000
Reexamination Certificate
active
07446499
ABSTRACT:
A reference position detecting apparatus includes an electric motor and a motor control unit. The electric motor includes a plurality of first coils and a plurality of second coils. The electric motor further includes a rotor that rotates when at least one of the plurality of first coils and the plurality of second coils is supplied with electricity. The motor control unit controls electricity supplied to either one of the plurality of first coils and the plurality of second coils to rotate the rotor to a limit position in a movable range of an object.
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Hori Masashi
Itoh Taku
Kimura Kiyoshi
Yoshiyama Shigeru
Denso Corporation
Mullins Burton
Nippon Soken Inc.
Nixon & Vanderhye PC
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