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Synthesis of improved zero-impedance converter

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator – Armature control by digital or combined analog and digital...
Patent

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Synthesis of load-independent DC drive system

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator – Armature control by digital or combined analog and digital...
Patent

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System and method for controlling the speed of an electric motor

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator – Armature control by digital or combined analog and digital...
Patent

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System and method for regulating a load by utilizing pulse...

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator – Field control – or field and armature control – by analog...
Reexamination Certificate

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System and method of motor control

Electricity: motor control systems – Closed loop acceleration control system for dc motor with... – Armature control
Patent

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System for controlling an electric motor of a fan associated...

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator
Reexamination Certificate

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System for controlling energy output of combustion-powered, fast

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator – Armature control by digital or combined analog and digital...
Patent

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System for controlling rotary speed of computer fan

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator – Armature control by digital or combined analog and digital...
Reexamination Certificate

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System for controlling the motion of an arm carrying a...

Electricity: motor control systems – Specific feedback condition or device – Counter or back emf
Reexamination Certificate

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System for controlling the speed of a motor driven by an unregul

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator – Armature control by digital or combined analog and digital...
Patent

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System for controlling the speed of a motor driven by an unregul

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator – Armature control by digital or combined analog and digital...
Patent

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System for driving a brushless motor

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator – Armature control by digital or combined analog and digital...
Patent

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Systems and methods for driving a load

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator – Armature control by digital or combined analog and digital...
Reexamination Certificate

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Systems and methods for regulating power in a medical device

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator – Field control – or field and armature control – by analog...
Reexamination Certificate

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Systems and methods for regulating power in a medical device

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator – Field control – or field and armature control – by analog...
Reexamination Certificate

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Temperature control system for motors and power components of a

Electricity: motor control systems – Specific feedback condition or device – Thermal condition
Patent

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Temperature-rated variable speed control circuit of an...

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator
Reexamination Certificate

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Trigger mechanism for current acquisition used for motor...

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator – Armature control by digital or combined analog and digital...
Reexamination Certificate

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Two speed motor controller

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator – Analog armature control
Patent

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Two-speed motor

Electricity: motor control systems – Open loop speed control system for dc motor with commutator – Analog armature control
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