4. Telephonic communications
  5. Subscriber line or transmission line interface
  6. For line length compensation

David R. Rice

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Automatic loss control circuit

Telephonic communications – Subscriber line or transmission line interface – For line length compensation
Patent

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High voltage power supply clamp circuitry for electrostatic...

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

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Profile ID: LFUS-PAI-P-1448899

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