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

Harold R. Macks

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Automatic headlamp dimmer

Electric lamp and discharge devices: systems – With radiant energy sensitive control means – Electric switch controlled by the radiant energy responsive...
Patent

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Automatic headlamp dimmer having improved signal discrimination

Electric lamp and discharge devices: systems – With radiant energy sensitive control means – Electric switch controlled by the radiant energy responsive...
Patent

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Automatic headlamp dimmer with optical baffle

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent

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Class II bus negative transient protection

Electricity: electrical systems and devices – Safety and protection of systems and devices – Load shunting by fault responsive means
Reexamination Certificate

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Filament power supply for static vacuum fluorescent display

Electric lamp and discharge devices: systems – Plural power supplies – Plural cathode and/or anode load device
Patent

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Profile ID: LFUS-PAI-P-614206

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