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

Robert P. Crow

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Beamed linear array microphone system

Electrical audio signal processing systems and devices – Directive circuits for microphones
Patent

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Combined ground and satellite system for global aircraft surveil

Communications: directive radio wave systems and devices (e.g. – Directive – Including a satellite
Patent

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Discrete address beacon, navigation and landing system (DABNLS)

Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent

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Visibility enhancement system

Optics: measuring and testing – Range or remote distance finding – With photodetection
Patent

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Profile ID: LFUS-PAI-P-252989

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