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Robert Hooke
He invented a string telephone that pass on sounds over an extended wire by mechanical vibrations. -
Telegraph
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Innocenzo Manzetti
first person that debatabled the idea of a “speaking telegraph” (telephone). -
Charles Bourseul
He writes an article on the principles of the telephone.("Transmission électrique de la parole", L'Illustration, Paris, 26 August 1854). -
Antonio Meucci
He displays an electric voice-operated device in New York; it is not clear what kind of device he demonstrated. -
Johann Phillipp Reis
He constructs the first speech-transmitting telephone -
Bell's U.S. Patent 161,739
Bell's U.S. Patent 161,739 "Transmitters and Receivers for Electric Telegraphs" is granted. This uses multiple vibrating steel reeds in make-break circuits, and the concept of multiplexed frequencies. -
"gallows" telephone
Bell uses a bi-directional "gallows" telephone that was able to transmit "voicelike sounds", but not clear speech. Both the transmitter and the receiver were identical membrane electromagnet instruments. -
Elisha Gray
Establishes Western Electric Manufacturing Company.Also, Gray invents a liquid transmitter for use with a telephone however he does not make one. -
first telephone
Bell's U.S. patent No. 174,465 for the telephone is established -
first telephone sentence
Bell transmits the sentence: "Mr. Watson, come here! I want to see you!" using a liquid transmitter and an electromagnetic receiver. -
next investion of Bell
Bell's U.S. next patent is settled for an electromagnetic telephone using permanent magnets, iron diaphragms, and a call bell. -
Edison's patent
Edison files for a patent on a carbon (graphite) transmitter. His patent was granted on May 3, 1892, after a 15-year delay because of litigation. -
Western Electric Non Dial Candlestick
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A new Western Electric Candlestick however now is Dial
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Western Electric "102"
Western Electric introduced a new model "102" in 1927. It was their first phone that using a handset and combined the transmitter and receiver. -
Western Electric "202" with Dial
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Reginald Fessenden
He displays a shrore-to-ship radio telephony -
Martin Cooper makes the first call on a hand-held mobile
Martin Cooper, invented the first practical mobile phone for hand-held use in a non-vehicle setting, Using a modern, heavy portable handset, Cooper made the first call on a hand-held mobile phone to his rival, Dr. Joel S. Engel of Bell Labs -
The first mobile phones were available
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Motorola DynaTAC
The first 1G network started in the USA using the Motorola DynaTAC mobile phone. -
The first "modern" network technology on digital 2G (second generation) cellular technology was launched
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The first commercial launch of 3G in Japan
by NTT DoCoMo on the WCDMA standard. -
Digital Telephone
Up to 10% of telephone given to in Japan and South Korea have changed to this digital telephone service. -
Telephones Today
Every day new, more modern and with higher technology telephones and mobiles are created. The telephone today has become a necessity for each one of us, rather than a want. Humans get intrested in electric phones, and especially in cell phones, from a very young age.Without the electric phone, our world would be lost, since many people can't even imagine their life without it.
