-
The telegraph was invented bySamuel Finley Breese Morse. During 100 years it was the best way to sen message, the message were in morse code
Sources:
https://www.history.com/topics/inventions/telegraph
https://www.telegraph.co.uk/ -
The firts phone was created by Alexander Graham Bell, he did the firts all the 10th of March of 1876. The phone was use the transmit message is real time
Sources:
https://www.nationalitpa.com/history-of-telephone
https://www.history.com/topics/inventions/alexander-graham-bell -
It was invented by William Grey when her wife got sick and he couldn't call to a doctor.
Sources:
https://chs.org/2017/03/pay-telephone-invented-connecticut/
http://www.edubilla.com/invention/payphone/ -
The car phone was invented by Lars Magnus Ericsson, in 1910 it wasn´t very popular, but later in 1940 it became popular. He was the first person using it while he was driving
Sources:
https://www.techwalla.com/articles/the-history-of-car-phones
https://en.wikipedia.org/wiki/Car_phone -
was the firts phone with the one you could put directly the number of the person you wanted to contact, they were produce un high quantities
Sources:
https://www.techwalla.com/articles/history-of-the-rotary-phone
https://en.wikipedia.org/wiki/Rotary_dial -
It was much more comfortable because the people didn´t want to wait every time before the circle of the phone returned to the point. Of this for they just had to press the button
Sources:
https://en.wikipedia.org/wiki/Push-button_telephone#:~:text=The%20push%2Dbutton%20telephone%20is,as%20in%20earlier%20telephone%20instruments.
https://blog.newspapers.com/telephone-technology/ -
This phone was very expensive, the price was $ 4000 USD, his firts name was Motorola DynaTAC 8000X
Sources:
https://rarehistoricalphotos.com/early-mobile-phones-pictures-1970-1990/ -
This was a phone contribed for the pocket, the firts one was very heavy, but year later was modified. Was designed by Ericsson
Sources:
https://www.ericsson.com/en/about-us/history/products/mobile-telephony/mobile-phones--from-luggables-to-pocket-phones -
Blackberry was the firts company that create a smartphone, the firts model was called BlackBerry 850, it didn´t have microphone -
Steve Jobs was the creator of the firts Iphone, after present that phone more companies start to produce similars phones