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The First Phones
The first phone in the 1870's -
The first telephone company
"The first Bell telephone company started in 1878. This is now known as the American Telephone and Telegraph Company (AT&T), which was incorporated in 1885." -
The First Payphone's
"In 1889, the first coin-operated telephone or pay phone was patented William Gray of by Hartford, Connecticut. Gray's pay phone was first installed and used in the Hartford Bank." -
Touch-Tone Phones
"In 1941, the first touch-tone system that used tones in the voice frequency range rather than pulses generated by rotary dials was installed in Baltimore, MD." -
Cell Phones
In 1947, research into cell phones technology began with an examination of the limited mobile (car) phones of the times. Scientists realized that by using small cells (range of service area) with frequency reuse they might be able to increase the traffic capacity of mobile phones substantially. -
Cordless Phone
" In 1986, the Federal Communications Commission or FCC granted the frequency range of 47-49 MHz for cordless phones. Granting a greater frequency range allowed cordless phones to have less interference and need less power to run. In 1990, the FCC granted the frequency range of 900 MHz for cordless phones." -
New CELL Phones
Over the years phones have evolved a lot and become a needed part of society.
