Motor vehicles – Power – Electric
Reexamination Certificate
2007-05-29
2007-05-29
Ellis, Christopher P. (Department: 3618)
Motor vehicles
Power
Electric
C446S465000, C446S484000
Reexamination Certificate
active
10076795
ABSTRACT:
A system, apparatus, and method for providing a soft-start for a toy vehicle configured to be operated by a person. The method includes receiving a throttle signal operable to induce motion via a motor operating as a drive mechanism of the toy vehicle. A transition signal may be generated based on the throttle signal. The transition signal may be applied to effect operation of the motor. The transition signal may be a pulse width modulated signal having a duty cycle between 20 and 100 percent to provide for an acceleration that avoids the problems of conventional control systems. The transition signal may be ramped in a linear or non-linear fashion. The system may couple the soft-start control circuit between a ground terminal of a battery of the toy vehicle and motor(s), thereby allowing the soft-start control circuit to operate on a low voltage (i.e., not the high voltage of the battery).
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Mimlitch, III Robert H.
Norman David A.
Torrance Richard
Avery Bridget
Ellis Christopher P.
Fish & Richardson P.C.
Innovation First, Inc.
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