H - Electricity – 02 – P
Patent
H - Electricity
02
P
318/96
H02P 6/00 (2006.01)
Patent
CA 1180378
ABSTRACT OF THE DISCLOSURE ABSTRACT OF THE DISCLOSURE A DC motor control circuit for controlling the speed and direction of rotation including a plurality of linear amplifiers which are, respectively, connected to each of the stator windings of the DC motor and a pulse generator for generating rotational pulse trains which represent the rotational phases of the rotor of the DC motor and output impedance control pulse generator for generating based on the rotational pulse train control pulses which selectively control the linear amplifiers so as to produce nearly infinite output impedance and a motor control voltage and signal inverter for inverting the motor control voltage and a plurality of switching circuits connected to the inputs of the linear amplifiers for supplying the motor control voltage and phase inverter motor control voltage in a selective manner to each of the linear amplifiers and switching circuit control pulse generator for generating switching pulses based on the rotational pulse trainswhich are supplied to each of the switching circuits.
399029
Abe Fumiyoshi
Okafuji Takayuki
Gowling Lafleur Henderson Llp
Sony Corporation
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