Electricity: motive power systems – Positional servo systems – Digital or numerical systems
Reexamination Certificate
2005-06-28
2005-06-28
San Martin, Edgardo (Department: 2837)
Electricity: motive power systems
Positional servo systems
Digital or numerical systems
C318S603000
Reexamination Certificate
active
06911798
ABSTRACT:
A rotation angle detecting apparatus for a synchronous rotary electric machine includes an incremental encoder. The incremental encoder generates an index pulse each time electric power is supplied to said plurality of phase-coils and an auxiliary index pulse each time the rotor rotates 360 degrees.
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Hori Masashi
Kamio Shigeru
Kimura Kiyoshi
Nakai Yasuhiro
DENSO Corporation
Martin Edgardo San
Nippon Soken Inc.
Nixon & Vanderhye P.C.
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