History of the Telephone
Category: Otro
Actualizado: 5 ene 2018
Autores
Created byJulia Dahms
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The telegraph was very
successful around the
years 1850-1880. People
had to use morse code to
communicate with people.
Using the telegraph limited
to sending and receiving more
than one message at a time.Spoken by Alexander
Graham Bell to his
assistant, Thomas Watson.
He said "Mr. Watson- come
here- I want to see you."Wrote a letter to his father
saying “friends [will be able to]
converse with each other without
leaving home.”Bell created the first wireless
telephone, called the Photophone.
It transmitted sound on a beam
of light instead of electrical wires.About 80% of telephone
systems use fiber optics,
which stemmed from the
Photophone.Long distance telephone
service happened in the
1880's using metallic circuits.William Gray's design made
it so the coins of different
denominations traveled down
separate chutes where they
struck bells and gongs that the
operator could hear to verify
the payment. With these phone,
people paid after they talked on
the phone and the money was
non refundable.First Transatlantic telephone
call between New York and
London.First Transatlantic telephone
service established between
North America and Europe.Transoceanic telephone service
opens to Argentine, Chile, and
other South American countries.First Telephone call sent around
the world. W.S. Gifford and T.G.
Miller of the American Telephone
and Telegraph Company spoke
to each other from offices 50
feet away. While the call was
being made, the call was
transmitted through a telephone
circuit that stretched 23,000 miles
across the world.The Western Electric Model
500 was introduced. These
phones were used form the
late 40's to 1984 and was a
very typical appliance in most
American homes.First NMT (Nordic
Mobile Telephone) call in
Tampere, FinlandNMT (Nordic Mobile
Telephone) network
opened in Sweden
and NorwayNorway had 63,000 subscribers
to the NMT (Nordic Mobile
Telephone) system, making
it the world's largest network
at the time.The IBM Simon was considered
the first smart phone. It was able
to make and receive calls, faxes,
and emails. About 50,000 were
sold within 6 months.Steve Jobs revealed the
first iPhone. He described
it as an iPod with a wider
screen that had a touch
keyboard rather than a
physical keyboard like other
phones of the time.Sony introduced their
cordless telephone. These
phones were very popular
and were in almost every
household in the U.S.Motorola introduced the
Bag Phone and were
considered more conventional
than phones at the time.
They were popular among
truckers, people in rural areas,
and boaters.First mobile phone call
made by Martin Cooper,
a senior engineer at Motorola.
The phone weighed almost
2 pounds and needed 10
hours to charge after using it.The iPhone X is released.
This phone has face ID instead
of a home button, wireless
charging, and a glass screen.
The cost is $999, the most
expensive iPhone ever.
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