Sentence Examples


  • It has sometimes been claimed that Edison's proposed elevated plates anticipated the subsequent invention by Marconi of the aerial wire or antenna, but it is particularly to be noticed that Edison employed no spark gap or means for creating electrical high frequency oscillations in these wires.
  • This elevated conductor is now called the antenna, aerial wire, or air wire.
  • One end of the sensitive tube was then connected to the earth and the other end to an antenna or insulated elevated conductor A2.
  • 38 6), the insulated wires or plates being upheld by masts, its operation is as follows: - When the key in the primary circuit of the induction coil is pressed the transmitting antenna wire is alternately charged to a high potential and discharged with the production of high frequency oscillations in it.
  • This process creates in the space around electric waves or periodic changes in electric and magnetic force round the antenna wire.

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