Electricity: motive power systems – Automatic and/or with time-delay means – Movement – position – or limit-of-travel
Reexamination Certificate
2009-11-10
2011-12-06
Benson, Walter (Department: 2837)
Electricity: motive power systems
Automatic and/or with time-delay means
Movement, position, or limit-of-travel
C318S445000, C318S560000, C318S626000
Reexamination Certificate
active
08072168
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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Japanese Office Action dated Mar. 30, 2010, issued in corresponding Japanese Application No. 2004-381753, with English translation.
Hori Masashi
Itoh Taku
Kimura Kiyoshi
Yoshiyama Shigeru
Benson Walter
Chan Kawing
Denso Corporation
Nippon Soken Inc.
Nixon & Vanderhye PC
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