4. Wave transmission lines and networks
  5. Plural channel systems
  6. Having branched circuits

Seungsook Ham

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π-Type band pass filter

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

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180 degree phase shifter bit

Wave transmission lines and networks – Coupling networks – Delay lines including long line elements
Patent

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90 degree phase shifter

Wave transmission lines and networks – Coupling networks – Delay lines including long line elements
Patent

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Active confocal image acquisition apparatus and method of...

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Reexamination Certificate

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Active-type band-pass filter

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

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Profile ID: LFUS-PAI-P-59384

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