About the history and evolution of the phones

1. Telephone

2. PHONES

3. History and Evolution
Antonio Meucci (1860) Alexander Graham Bell
(1876)

4. THE FIRST TELEPHONE
1. Transmitter
2. Receiver
3. A single cable
connection

5. PARTS OF THE PHONE
1. Switch
2. Speaker
3. Microphone

6. How the phone works?
1. current
flows to the
phone
2. the control
unit sends you
a ringtone
3. connector
verifies the
number
4. when the other
person picks up ,
the electric current
flowing to your
device
5.current
flows to the
coal
6. when talking ,
sound waves vibrate
the metal disk and
compress the
carbon parts.

7. Phone Types
Wireline Wireless

8. Phone in the Future
Trypoxy OpenPeak

9. Did you know that.. ?
The true creator of the
telephone was Antonio
Meucci, but he didn't have
enough money to showed it
In 1922 during the funeral
of Bell A. Graham all
phones stopped ringing
for 1 minute in the US and
Canada as a tribute to his
inventor.
The first phone
conversation was "Watson
come here, I want you". He
held Alexander Graham
Bell to his assistant Watson
on March 10, 1876 in
Boston.