Electricity: motive power systems – Automatic and/or with time-delay means – Electrical conditions in circuit other than controlled motor...
Reexamination Certificate
2011-08-23
2011-08-23
Ro, Bentsu (Department: 2837)
Electricity: motive power systems
Automatic and/or with time-delay means
Electrical conditions in circuit other than controlled motor...
C318S504000
Reexamination Certificate
active
08004225
ABSTRACT:
The drive control circuit (200) includes a driver circuit (250) for intermittently supplying the magnetic coils with a supply voltage VSUP; a switching signal generating circuit (240) that generates a switching signal supplied to the driver circuit (250); and a voltage setter (270) that supplies a supply voltage control value Ya to the switching signal generating circuit (240). By adjusting pulse width of the switching signals DRVA1, DRVA2with reference to the supply voltage control value Ya, the switching signal generating circuit (240) adjusts the effective voltage which is applied to the magnetic coils.
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Harness & Dickey & Pierce P.L.C.
Ro Bentsu
Seiko Epson Corporation
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