Telephone

Telephone invented

Jul 21, 1876

1876 A.D. - Alexander Graham Bell invented the telephone.

Almon Strowger patents the direct dial telephone or automatic telephone exchange.

Sep 22, 1889

Almon Strowger patents the direct dial telephone or automatic telephone exchange.

First telephone answering machines.

Oct 28, 1898

First telephone answering machines.

Lee Deforest invents the electronic amplifying tube or triode - this allowed all electronic signals to be amplified improving all electronic communications i.e. telephones and radios.

May 24, 1906

Lee Deforest invents the electronic amplifying tube or triode - this allowed all electronic signals to be amplified improving all electronic communications i.e. telephones and radios.

First wireless communication of human speech.

Aug 28, 1906

1906 A.D. - First wireless communication of human speech.

First cross continental telephone call made.

Sep 27, 1914

First cross continental telephone call made.

Cellular telephones in cars become widespread.

Jun 12, 1984

Cellular telephones in cars become widespread.