Electricity: motive power systems – Positional servo systems – Pulse-width modulated power input to motor
Patent
1990-02-27
1991-03-12
Ip, Paul
Electricity: motive power systems
Positional servo systems
Pulse-width modulated power input to motor
318139, 3889281, 388812, 388823, H02P 500
Patent
active
049995561
ABSTRACT:
A pulse width modulation control circuit includes a pulse width modulator which supplies a signal to a power switch tying together a DC signal generator and a motor and various sensing circuit including a control voltage disabler circuit. All of the sensing circuits are appropriately designed to ensure that the various components of the circuit are not damaged under abnormal conditions whether due to motor loads heavier than rated or undesired changes in AC current input or control voltages.
REFERENCES:
patent: 3213343 (1965-10-01), Sheehen
patent: 3716767 (1973-02-01), Kuriyama et al.
patent: 4032825 (1977-06-01), Klimo
patent: 4150324 (1979-04-01), Naito
patent: 4420700 (1983-12-01), Fay et al.
patent: 4635927 (1987-01-01), Shu
patent: 4636711 (1987-01-01), Freymuth
patent: 4644255 (1987-02-01), Freymuth
patent: 4658203 (1987-04-01), Freymuth
patent: 4673851 (1987-06-01), Disser
patent: 4705997 (1987-11-01), Juzswik
patent: 4819597 (1989-04-01), Gale et al.
patent: 4823056 (1989-04-01), Watanabe et al.
patent: 4873453 (1989-10-01), Schmerda et al.
patent: 4893067 (1990-01-01), Bhagwat et al.
patent: 4906906 (1990-03-01), Lautzenhiser et al.
Ip Paul
Scott Motors, Inc.
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