4. Communications: radio wave antennas
  5. Antennas
  6. Balanced doublet - centerfed

Eiji Shibuya

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Antenna apparatus capable of directivity control

Communications: directive radio wave systems and devices (e.g. – Directive – Including a steerable array
Reexamination Certificate

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Antenna system

Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
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Multiple frequency band antenna and signal receiving system...

Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Reexamination Certificate

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Variable directivity antenna and variable directivity...

Communications: radio wave antennas – Antennas – With coupling network or impedance in the leadin
Reexamination Certificate

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Variable directivity antenna apparatus and receiver system...

Communications: directive radio wave systems and devices (e.g. – Directive – Including a steerable array
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2774251

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