Fuji Xerox DocuPrint CM305 df Service Manual page 842

String telephone
Hello
Telephone
Hello
Diaphragm
Electromagnetic induction
a. The coil in the magnetic field is vibrated.
The magnetic field around the coil is altered.
b. An electric current (alternating current) is generated in the coil.
These electrical signals are analog signals that fluctuate in response to the volume of the voice.
Vibration
Electrical current
N
S
Microphone
Magnet (N polarity)
Magnet (S polarity)
10 – 2
Chapter 10 Machine Overview
Hello
Hello
N
S
Diaphragm
Speaker
b
a
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