Презентация на тему: " The mobilе phone This is our life This is our future." — Транскрипт:
The mobilе phone This is our life This is our future
The first mobile phone was invented in research laboratory «Bell Laboratories» in 1947 for automobile. History
Dyna-Tac In 1973 the engineer Martin Cooper, the employee of company Motorola, has made the first bell from mobile phone. The cellular telephone referred to Dyna-Tac. It was a phone weighting about 1 kg and 200 grammes, height - 25 centimeters.
1. The display 2. The microphone 3. The keys 4. The case of phone 5. The chamber
The instruction Keep phone in the places inaccessible to children and pets Use a phone accurately and cautiously Do not use phone near other electronic devices Use only recommended accessories Do not use phone while driving the automobile Trust repairing of a phone only to the qualified experts
Thanks for your attention !!! The author Kolosova T.