goldschmidt alternator การใช้

• However, the new transmitters like the Goldschmidt alternator generated unmodulated continuous waves, which were inaudible in receivers.
• In 1908 he developed a rotating radio-frequency machine, the Goldschmidt alternator, which was used as an early AM radio transmissions.
• The Goldschmidt alternator was turned by a powerful DC electric motor attached to the shaft, through a geartrain which increased the motor's speed to several thousand RPM . The advantage of the Goldschmidt design was that by using external " reflector " capacitor banks that increased the frequency of the current to a multiple ( harmonic ) of the alternator's rotation speed, it allowed the rotation speed to be kept lower, simplifying the mechanical design.