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Innocenzo Mancetti desribes and creates plans for a speaking telegraph.
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John Phillip Reiss creates a transmitter that transmits voices over 100 meteres.
It is electronic.
Closer to actual telephone. -
Innocenzo Manzetti invents the telelphone
Doesn't patent it. -
Bell is granted the Patent for the telephone
Gray's patent application didn't make it through, even though he had presented it hours before Bell. -
First Telephone call was made.
The first occurance of clear speech being to be heard on the telephone occurred. -
First long distance phone call is made.
Cambridge university to Boston -
Rotary Phone is invented
Connolly and McTighe patent a dial phone. -
Photophone was invented
This was made by Alexander Graham Belle and allowed phone calls to be made wirelessly. -
The Blake transmitter was created.
It was the first successful telephone transmitter. It was invented by Francis Blake and it used a carbon and platinum based resistance element. -
Long distance phone calls grew with advances in circuitry
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First Coin telephone was installed in Hartford, Connecticut
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First Coast to Coast Phone call made
Longest phone call ever at the time. -
Switching systems were first implemented.
Allows more calls to be placed without an operator needing to assist someone. -
First Transatlantic phonecall made.
From London to New York -
North American Numbering System is put into use.
A system that assigns a 10 digit number to a telephone and it specifies the area, closest switching office and line number of the person being called. -
At&t model 500 is introduced.
First model to combine ringer and handset -
!st international communication satellite is place into orbit
Telstar 1 is its name. -
Principles of Fiber optics is publsihed and put into use.
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First portable cell phone call is made by Martin cooper of Motorola.
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FAx Machine is put into widespread use
