Question

informații in engleza despre evoluția telefonului pe parcursul secolelor

Answer 1

The history of the mobile phone includes events related to the emergence of the first mobile phones, their development and evolution, through various forms, from the transmitting stations used in motor vehicles to the modern cellular phones.
At first, the transceiver stations were used to equip taxis, ambulances, police vehicles and other similar vehicles where prompt and operative intervention was required. They could not be considered mobile phones in the current sense of the word: they could not be connected to the classic fixed telephone network and were not equipped with dial numbers.
Subsequently, their portable variants also appeared. Thus, after 1940, Motorola produced a transmitter station called "Handie-Talkie," which was almost half a meter long and was used by the US military.
In Europe, radio telephony is first used in 1926 in the Berlin-Hamburg luxury train. Shortly, radio-telephony is also introduced on passenger airplanes to improve flight safety. This means of communication is also used by German tanks during the Second World War. At the end of the war, these telephone equipment came into the possession of the German police patrol cars in the British occupation area. In all these cases, the use of these phones was entrusted only to specialists. It was only after 1950 that such phones began to be used by non-specialists, and this was spent on ships sailing on Rin.