4. Electricity: electrical systems and devices
  5. Safety and protection of systems and devices
  6. Load shunting by fault responsive means

Donald S. McGinn

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High voltage converter

Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Patent

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Line interface circuit

Telephonic communications – Subscriber line or transmission line interface
Patent

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Telephone protection circuit

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

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Voltage and protection arrangement for a telephone...

Telephonic communications – Subscriber line or transmission line interface – Protective circuit
Reexamination Certificate

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Profile ID: LFUS-PAI-P-333074

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