Current controller for inductive load

Details Current controller for inductive load Current controller for inductive load

2005-11-15

2005-11-15

Han, Jessica (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

C323S275000, C323S283000

Reexamination Certificate

active

06965222

ABSTRACT:
A current controller includes a pulse width modulation signal outputting circuit, a saw-tooth-wave signal generating circuit, a command value smoothing circuit, a detection value amplifying circuit, a deviation integrating circuit, and a current controlling circuit. The current controlling circuit controls a current caused to flow through a solenoid on the basis of a saw-tooth-wave signal having the same period as that of a pulse width modulation signal, and a detection signal generated by the deviation integrating circuit.

REFERENCES:
patent: 4930040 (1990-05-01), Binarsch et al.
patent: 6400106 (2002-06-01), Magruder et al.
patent: 61-164515 (1986-10-01), None
patent: 3030076 (1992-06-01), None

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