Search results - Page 465

… oscillator: the secondary is then heavily damped and free oscillations in it decay rapidly, so one would have to …

… an oscillation transformer. In the absence of an external signal the resistance of the coherer is large so that the … in the secondary which biases the coherer. When an external signal is received the resistance of the coherer is reduced …

… too as one of the ways of accumulating energy from weak signals. The circuits given here illustrate how he … has a resistance which varies as a function of the antenna signal, and is connected so as to alter the excitation of a …

… of the same components plus relay R for registering the signals received. In all the circuits the sensitive device …

… the size of streamers. He connected an "extra coil" to the free terminal of the secondary. He investigated the … out. He found it confusing that the highest voltage at the free terminal of the extra coil (connected to the secondary … 30th , which was valid only for a special case), that when free oscillation of the secondary becomes influential, the …

… and a condenser for accumulating the energy from weak signals. At point b the circuit C - P is periodically made …

… July 29 To check out his theoretical conclusions about the free oscillation of the "extra coil" (see 30 June and 26 …

… transformer. Some of them show a relay for registering the signal received, while in others its presence is understood. … the sensitive device into conduction as soon as an arriving signal starts to cause some change. In the receivers with … lightning at least 200 miles away, and continued to receive signals (at periodic intervals) later when the weather had …

… was the relationship between the frequency of the incoming signal and that generated by the receiver itself. Could it … rotating coherer behaved as a nonlinear element, that the signal was amplified as in a heterodyne receiver ( 55 ) ? …

… the transmitter. Its purpose was to maximize the received signal. Since Tesla connected one terminal to ground, it …