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NUSSP - Telecommunications

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Northeastern STEM

on 18 July 2016

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Transcript of NUSSP - Telecommunications

Transmission of information
over significant distances to communicate.

BEFORE ELECTRICITY:
Visual
beacons, smoke signals, semaphore telegraphs, signal flags

Audio
messages via coded drumbeats, lung-blown horns, or sent by loud whistles
MATCHING
GAME

Telecommunications
Cell Phone to Cell Phone
Landline to Cell Phone
What is TeleCommunications?
How many of you have a cell phone?
Pre-Activity Questions
Is it a "smartphone"?
Have you gotten a new phone in the past year?
Do you still have your old phone? If not, what did you do with it?
When was the first documented phone invented/used?
~1876
Alexander Bell
What basic tech. is a cell phone most like?
AFTER ELECTRICITY:
With electricity and electronics, telecommunication included:
telegraph
telephone
teleprinter
radio and microwave communications
fiber optics
orbiting satellites
the Internet.
TELEGRAMS
TELEPHONES
BUT!
Antonio Meucci ACTUALLY built the world's first telephone - he just never was able to patent it.
TELEPRINTERS
RADIO
Microwave Signals
Satellite Communication
FIBER OPTICS
Same Tower Area
Different Tower Area
Cell Phone to Satellite Phone
http://electronics.howstuffworks.com/telephone3.htm
Landline to Landline
Cellphone to Cellphone
Landline to Cell Phone
Cellphone to Satellite Phone
Full transcript