March 12, 2004 Kwantlen College
Ljiljana Trajkovic, Simon Fraser
University
7
Wireless demonstrations
nReceiver:
nidentical
tuned circuits
nantenna
extending to the ceiling
ngas-filled
Geissler tube (in place of the spark gap
used in the transmitter).
nThe Geissler tube
glowed.
nDuring
1894-95 Tesla built a transmitter
together with a portable receiver
and demonstrated wireless transmission
of electrical energy.