4. Communications: radio wave antennas
  5. Antennas
  6. With spaced or external radio wave refractor

David Lamensdorf

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Antennas for wide bandwidth signals

Communications: directive radio wave systems and devices (e.g. – Radar transponder system
Patent

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Borehole telemetry system

Communications: electrical – Selective – Interrogation response
Patent

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Dielectric trough waveguide antenna

Communications: radio wave antennas – Antennas – Wave guide type
Patent

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Dual-band quadrifilar helix antenna

Communications: radio wave antennas – Antennas – Spiral or helical type
Reexamination Certificate

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High scan rate low sidelobe circular scanning antenna

Communications: radio wave antennas – Antennas – Wave guide type
Patent

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Profile ID: LFUS-PAI-P-136010

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