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Cellular telephone in 1940
In 1940 the cellular phone was introduced.The cell phone could be in cars. It could only work properly when a cell tower is near. -
First portable phonw in 1943
This portable phone lead to the invention of the cell phone.The phone was very heavy to cary around. -
The hand held telephone
In 1947 the hand held phone was introduced.The phones were often put in auto mobiles. -
The moble phone
The moble phone was introduced in 1947.A rapid numbers of customers in the world wanted the phone -
The rotrary desk telephone
The rorary telephone was introduced in 1950.New colors of the telephone were also introduced.The answering machiene also helped answer calls for it. -
The princess telephone
The princess telephone was introduced. People also put one or more in there houses. -
Touch tone telephone
The touch tone telephone was introduced. There were buttons instead of rotrary dial. -
Cordeless telephone
The cordeless telephone was introduced. the inventor didnt put her invention out in the mrket fast enough.
