4. Wave transmission lines and networks
  5. Coupling networks
  6. Frequency domain filters utilizing only lumped parameters

Dong Hwan Lee

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Balun

Wave transmission lines and networks – Coupling networks – Balanced to unbalanced circuits
Reexamination Certificate

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Cellular phone

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Radio transceiver
Design Patent

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Cellular phone

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Radio transceiver
Design Patent

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Delay locked loop, electronic device including the same, and...

Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Synchronizing
Reexamination Certificate

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Laminated filter with improved stop band attenuation

Wave transmission lines and networks – Coupling networks – Frequency domain filters utilizing only lumped parameters
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2247761

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