Electricity: motive power systems – Synchronous motor systems – Brushless motor closed-loop control
Reexamination Certificate
2011-08-09
2011-08-09
Benson, Walter (Department: 2837)
Electricity: motive power systems
Synchronous motor systems
Brushless motor closed-loop control
C361S023000, C361S043000, C361S111000, C363S056120, C323S276000
Reexamination Certificate
active
07994747
ABSTRACT:
A clamping circuit is included in a phased motor control circuit, particularly on an electrical connection connected to at least one electrostatic discharge cell and/or the driver control electronics of the phased motor control circuit. The clamping circuit triggers when a voltage that exceeds a clamping turn-on threshold occurs on the electrical connector, sourcing or sinking the discharge current so as to protect the electrostatic discharge cells and/or driver control electronics from destruction by said discharge current.
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Floyd, Electronic Devices, 1996, Prentice-Hall,Inc., Fourth Edition, pp. 36,452.
Boling Brian Dean
Dickeson Michael Ernest
Domingo, Jr. Frank P.
Benson Walter
Lucente David K.
Paul Antony M
Seagate Technology LLC
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