4. Electricity: motor control systems
  5. Open loop speed control system for dc motor with commutator
  6. Analog armature control

Ching-sen Hsieh

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Fan control device and method

Electricity: motive power systems – Automatic and/or with time-delay means – Responsive to thermal conditions
Reexamination Certificate

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Fan speed control circuit

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

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Motor control circuit

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

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Profile ID: LFUS-PAI-P-3039633

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