¿When were invented?
The mobile phone back to the Beginning of world war 2 , which saw that it was already necessary distance communication.
That is why the company created a team Called handie < Handie Talkie Motorola H12-6>.
That which is a device allows contact via radio with the troops whose waves frequency band at the time did not exceed 60 MHz.
¿Who invented it?
Martin Cooper is considered the father of cellular telephony in the United States when it introduced the first radio in 1973, when i work for company Motorola.
Since when is popular
The cellular revolution in 2001 when he began to appear with a color screen phones.The began the carrer of the companies add more tools and to create a consumer demand at this time should be one of the most profitable market, and also the most generate jobs.
Television
¿When were invented?
Television was invented in 1926
¿Who invented it?
By John Logie Baird. Who was a British physicist.
The first television transmission were achieved in the decade of the 20.
¿Since when is popular?
In the early 50 was television was popularized in various countries around the globe
Send sms (text message)
¿When were invented?
Sms was invented in 1992.
¿Who invented it ?
By Pihkonen, Filandes, after several tries and test the day they first attained to send a message to another cell.
First phone history:
First Television History
SOFÍA NEVE !
Sofia neve 5 b2
