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"Reset" type power supply voltage monitoring device

Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...
Patent

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“Natural modulation” for maximizing efficiency...

Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...
Reexamination Certificate

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2.9 to 5.1 volt powered, inductor-less step up DC to DC converte

Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...
Patent

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3-phase electronic tap changer commutation and device

Electricity: power supply or regulation systems – Output level responsive – Using a transformer or inductor as the final control device
Reexamination Certificate

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4-20 mA interface circuit

Electricity: power supply or regulation systems – In shunt with source or load – Using impedance
Reexamination Certificate

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5 volt tolerant voltage regulator

Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...
Reexamination Certificate

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A DC power supply controller

Electricity: power supply or regulation systems – For reactive power control – Using converter
Patent

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A.C. Impedance measuring circuit with thermally controlled resis

Electricity: power supply or regulation systems – Including a transformer or an inductor – Inductor with or in a bridge
Patent

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A.C. induction devices having compound resistive coupling of tun

Electricity: power supply or regulation systems – For reactive power control – Using impedance
Patent

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A.C. potentiometer with bridge having voltage controllable devic

Electricity: power supply or regulation systems – Remote sensing
Patent

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A.C. power supply having combined regulator and pulsing circuits

Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...
Patent

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A.C. storage module for reducing harmonic distortion in an A.C.

Electricity: power supply or regulation systems – For reactive power control – Using impedance
Patent

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A.C. voltage regulator employing thyristor

Electricity: power supply or regulation systems – Remote sensing
Patent

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Abnormal heavy current production preventing apparatus

Electricity: power supply or regulation systems – In shunt with source or load – Using choke and switch across source
Patent

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Absolute control of non overlap time in switch mode power...

Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...
Reexamination Certificate

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AC and DC temperature compensation scheme for DCR current sense

Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...
Reexamination Certificate

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AC controller with reverse blocking IGBT

Electricity: power supply or regulation systems – External or operator controlled – Phase controlled switching using electronic tube or a three...
Reexamination Certificate

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AC current switch

Electricity: power supply or regulation systems – External or operator controlled – Using a three or more terminal semiconductive device as the...
Patent

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AC electrical power dividing circuit

Electricity: power supply or regulation systems – Including an impedance – Thermistor or resistor
Reexamination Certificate

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AC input for digital processor with capacitively coupled immunit

Electricity: power supply or regulation systems – For phase shift or control – Using impedance
Patent

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