Amateur radio : how and why of wireless with complete instructions on operation of receiving outfits (1922)
Grainger, Maurice J · New York : James A. McCann · leaf 41
urrent. The current moving inone direction would neutralize the currentmoving in the opposite direction and therewould be no vibration of the diaphragm.Therefore the ether waves, which are alternat-ing currents, must be changed to pulsating di-rect current. This is done either by means ofa crystal… … Fig. 6Fig. 6—Diagram of Telephone Receiver, Showing the Positionsof the Diaphragm at Different Stages of Magnetic Saturation.A. Shows Normal Position of the Diaphragm. B. Shows Posi-tion of Diaphragm When it is Attracted to the Magnet by theIncoming Signals. C. Shows Position of Diaphragm Whenit…
Radio · Amateur radio stations
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