4. Electrical transmission or interconnection systems
  5. Plural supply circuits or sources
  6. Plural converters

Russell Apfel

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Circuit device including multiple parameterized power...

Electrical transmission or interconnection systems – Plural supply circuits or sources – Plural converters
Reexamination Certificate

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Method and apparatus for an active impedance feedback

Telephonic communications – Line equalization or impedance matching
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Unbalanced slic with a built-in ring circuit

Telephonic communications – Substation or terminal circuitry – Power control or detection circuit
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2275784

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