-
1. TELEPHONE
This invention, was patented by Alexander Graham Bell in the United States, but, authentic, was invented by Elisha Grey in Canada. -
ROTARY TELEPHONE
Almon Brown Strowger invented the rotary telephone in Laporte, Indiana. Their work is very simple, because each number was a series of clicks or pulses. When you puss the number, they create a combination, and they call someone. -
THE MILDE PHONE
The French inventor Charles Mildé, invented this telephone in France. It was made of wood and wire. It was very difficult to use, because it has many mechanisms. -
THE MARTY
In France, the AOIP (association of precision instrument workers) invented the marty telephone. This telephone, has a magneto allowing you to call the operator and also have a wall version. -
THE SIT
This telephone, is also famous with the 'Violin' name. It is the first phone to have the "answer/hang up" function thanks to its mechanism. -
THE BAKELITE ROTARY TELEPHONE
Johan Christian Bjerknes invented this telephone. The bakelite rotary telephone is the improvement of the marty phone. -
THE COLOR DIAL PHONE.
These telephones, are the same as the dial telephones, but in 1970, they were invented with many colors to be more attractive. -
Period: to
THE BUTTOM TELEPHONE
The buttom telephone was invented by Bell Laboratories in the United States. This telephone, replaced the dial by buttoms. -
THE CORDLESS TELEPHONE.
George H. Sweigert and Teri Pall invented the cordless telephone. This phone, come out to U.K in 1991, but it was invented in 1990. -
THE MOBILE PHONE
This phone was invented by Martin Cooper. It was very famouse in its time, because it was the fist telephone with SMS, MMS, camera, music player, games... -
THE TOUCH PHONE.
The touch phones, are the phones that we use nowadays. They are more and more efficient and they have quality of the phone's screens and photos is still improving.