4. Communications: radio wave antennas
  5. Antennas
  6. Spiral or helical type

Francis J. O'Hara

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Broadband antenna element

Communications: radio wave antennas – Antennas – Plural separate diverse type
Patent

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Matching section for multi-arm spiral antenna

Communications: radio wave antennas – Antennas – Spiral or helical type
Patent

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Microwave phase discriminator

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent

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Profile ID: LFUS-PAI-P-715682

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