Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific current responsive fault sensor
Reexamination Certificate
2005-01-18
2005-01-18
Leja, Ronald (Department: 2836)
Electricity: electrical systems and devices
Safety and protection of systems and devices
With specific current responsive fault sensor
C361S093400, C318S806000
Reexamination Certificate
active
06845000
ABSTRACT:
A limiting circuit for a brushless dc motor in accordance with the present invention comprises a first transistor, a second transistor, a first resistor and a second resistor. The first transistor, the second transistor, the first resistor and the second resistor are arranged in complementary connection to constitute the limiting circuit which has a first terminal connected to a power source and a second terminal connected to a motor drive circuit.
REFERENCES:
patent: 5130636 (1992-07-01), Kumar et al.
patent: 5225751 (1993-07-01), Kusano et al.
patent: 5337208 (1994-08-01), Hossner
Horng Alex
Ko Ta-Lun
Bacon & Thomas PLLC
Leja Ronald
Sunonwealth Electric Machine Industry Co. Ltd.
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