Table of Contents
Advertisement
2.2
Receiver (Speaker)
The receiver acts just like an electromagnet. The receiver creates voice
waves by changing magnetic force, which move a vibrating diaphragm
according to the current strength.
2.3
Voice Circuit
When the transmitter and receiver are connected as shown in the Fig. 1-8
to make a voice circuit, voice can be transmitted in both directions along
the two wires.
Armature
Diaphragm
Fig. 1-7 Receiver
Calling party
Exchange
R
T
Fig. 1-8 Two-way Circuit (Two Wires)
BASIC OF TELEPHONE
Permanent magnet
Called party
R
T
T: Transmitter
R: Receiver
1
2
3
4
5
6
ït
çi
1–7
Advertisement
Table of Contents
