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PWM motor drive with torque determination

Electricity: motive power systems – Induction motor systems – Primary circuit control
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PWM motor driving device

Electricity: motive power systems – Induction motor systems – Primary circuit control
Reexamination Certificate

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PWM motor driving device

Electricity: motive power systems – Positional servo systems – Pulse-width modulated power input to motor
Reexamination Certificate

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PWM motor operating system with RFI suppression

Electricity: motive power systems – Braking – Automatic and/or with time-delay means
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PWM pattern sequence to reduce losses in voltage source...

Electricity: motive power systems – Induction motor systems – Primary circuit control
Reexamination Certificate

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PWM signal generation apparatus and method thereof and motor...

Electricity: motive power systems – Synchronous motor systems – Brushless motor closed-loop control
Reexamination Certificate

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PWM speed-control apparatus for elevators

Electricity: motive power systems – Switched reluctance motor commutation control
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PWM system for ECM motor

Electricity: motive power systems – Switched reluctance motor commutation control
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PWM-pulse control system

Electricity: motive power systems – Positional servo systems – Pulse-width modulated power input to motor
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PWM/PAM control mode switching type motor control apparatus, and

Electricity: motive power systems – Switched reluctance motor commutation control
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