Electricity: motive power systems – Induction motor systems – Primary circuit control
Reexamination Certificate
2006-07-25
2006-07-25
Ip, Paul (Department: 2837)
Electricity: motive power systems
Induction motor systems
Primary circuit control
C318S778000, C310S06800R, C310S166000
Reexamination Certificate
active
07081732
ABSTRACT:
A motor controller is capable of swiftly driving a motor at the initial stage and driving the motor with high efficiency and low power consumption after swiftly driving the motor at the initial stage by including a first capacitor connected in series with a common terminal to which the main coils and the sub-coils of the motor are connected and a PTC thermistor (Positive Temperature Coefficient thermistor) connected in parallel with the first capacitor.
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patent: 5861697 (1999-01-01), Sugita et al.
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patent: 6700270 (2004-03-01), Yanashima et al.
patent: 3105444 (1982-07-01), None
patent: 3702952 (1988-08-01), None
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U.S. Appl. No. 10/994,400.
U.S. Appl. No. 10/414,231.
English language Abstract JP 58-043192.
English language Abstract DE 3702952.
English language Abstract JP 2001-061285.
English language Abstract DE 3105444.
Han Seung-Do
Shin Hyoun-Jeong
Greenblum & Bernstein P.L.C.
Ip Paul
LG Electronics Inc.
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