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The first telephone Network
The first telephone was invented in Canda by Alexander Graham Bell.The first telephone by Alexander Graham Bell worked through the sound transmission. -
Ader's phone
Clément Ader perfected Bell's by including a microphone behind a wooden base and two headphones placed on the sides to hear the interlocutor. -
Pay Phones
The pay phones were invented in Hartford bank by William Gray. By 1902, there were 81,000 payphones in the United States. By 1905, the first outdoor payphones with booths were installed. By the end of 1925, 25,000 of these booths existed in New York City alone. In 1960, the Bell System installed its one millionth telephone booth. -
Rotary Dialing
The Pulse Button & Rotary Dialing was invented by Almon Brown Strowger in La Porte, Indiana. The need for phone numbers and dialing was yet to come. Almon Brown Strowger, received U.S. Patent 486.909 for the development of the finger wheel and face plate in 1892, better known as the rotary dial system. About 1900 through the 1960s was used very. -
Midlé
The Mildé, the third telephone model, is still made of wood and wire and the microphone is still located in a pine box. However, to be able to communicate you had to, press the call button 3-4 times and wait for the ringing. Then, pick up the two receivers and place them on these ears to hear the operator. After, give the operator the name and address caller's address and wait for them to establish communication. Finally, speak very close to the device. -
The sit
The SIT, also called "Violin", is the first telephone to have the "answer/hang up" function thanks to its mechanism and the first to have an aesthetic shape unlike previous telephones. -
Type 10
Invented by Eurlieult, Type 10 uses wires wrapped in cotton as insulation to transmit sound but later it is realized that they are unreliable. -
The marty
Sold in large quantities from France, the Martys fulfilled precise specifications. They have a magneto allowing you to call the operator and also have a wall version. It was created by the AOIP (association of precision instrument workers). -
The toad phone
It comes from the molded shapes collected and is not made of bakelite but of plastic. -
The button telephone
The dial is replaced by buttons and its size is reduced. It therefore becomes more ergonomic due to its size and the dialing of numbers which becomes easier thanks to the keys. -
The cordless phone
Communication between the station and the handset is now done by radio waves and can be done between several mobile phones via relay antennas or satellites. -
Mobile, or cell phone
The mobile, or cellular, phone allows you to take your phone wherever you want thanks to mobile phone networks. Firstly large in size with an external antenna, its size is very quickly reduced to the point where it can fit in a pocket. They quickly benefit from a screen. They are initially equipped only with the "call/reception" function then they are developed with many additional functions such as SMS, MMS, camera, music player, games. -
The mobile phone
Created by Martin Cooper, the mobile phone can be carried everywhere! Very quickly these phones benefited from a screen. They are first equipped with the simple call/receive function, then expand with numerous functions such as SMS, MMS, camera, music player, games, etc. -
The smartphone
The keys are replaced by a touch screen. Phones are adopting increasingly efficient technology and the quality of screens is gradually improving. -
The touch phone
Today's phones are more and more efficient and have a touch screen. The quality of the phone's screens and photos is still improving.