4. Communications: radio wave antennas
  5. Antennas
  6. Including magnetic material

Dirk Heumann

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High-pass branch of a frequency separating filter for ADSL...

Wave transmission lines and networks – Plural channel systems – Having branched circuits
Reexamination Certificate

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Low-pass filter for a diplexer

Communications: radio wave antennas – Antennas – Including magnetic material
Reexamination Certificate

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Method for designing a filter system

Wave transmission lines and networks – Coupling networks – Frequency domain filters utilizing only lumped parameters
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Profile ID: LFUS-PAI-P-2563463

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