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THE COMMUNICATION (THE MAGNETIC ELECTRO SPECTRUM (VISIBLE LIGHT image,…
THE COMMUNICATION
THE MAGNETIC ELECTRO SPECTRUM
VISIBLE LIGHT
ULTRAVIOLET
INFRARED
X-RAYS
MICROOWAVES
RADIO FREQUENCY
GAMA RAYS
TYPES OF SIGNALS
PERIODIC
RANDOM
DIGITAL
ANALOGY
TV
LED
OLED
LCD-TFT
PLASMA
PARTICIPANTS IN THE COMMUNICATION
TRANSMITTER
RECEIVER
MESAGE
TELEGRAPH
MADE BY
SAMUEL F.B MORSE
1830
LANDLINE
PARTS
MICROPHONE
AURICULAR
SAMUEL F.B MORSE MICROPHONE AURICULAR