Add Papers Marked0
Paper checked off!

Marked works

Viewed0

Viewed works

Shopping Cart0
Paper added to shopping cart!

Shopping Cart

Register Now

eKönyvtár library
FAQ
 
  • Optical Fibres and Their Advantages over Other Devices Originally Used

     

    Essays1 Chemistry

Great deal: today with a discount!

Regular price:
812 Ft
You save:
114 Ft
Discounted price*:
697 Ft
Purchase
Add to Wish List
ID number:314402
Evaluation:
Published: 11.11.2003.
Language: English
Level: Secondary school
Literature: n/a
References: Not used
Extract

Originally, a device known as the 'photophone' was used to transmit sound. This replaced Thomas .A. Edison's 'phonograph. Since the development of optical fibres 'photo phones' and 'phonographs' are no longer used or needed.
Optical fibres have many advantages; they enable the sound messages to carry for 50km without any need for a repeater unlike other optical communication systems, which need repeaters at 1km intervals.
Optical fibres have replaced other methods of communication for many reasons, some listed below.

Author's comment
Work pack:
GREAT DEAL buying in a pack your savings −824 Ft
Work pack Nr. 1274275
Load more similar papers

Send to email

Your name:

Enter an email address where the link will be sent:

Hi!
{Your name} suggests you to check out this eKönyvtár paper on „Optical Fibres and Their Advantages over Other Devices Originally Used”.

Link to paper:
https://eng.ekonyvtar.eu/w/314402

Send

Email has been sent

Choose Authorization Method

Email & Password

Email & Password

Wrong e-mail adress or password!
Log In

Forgot your password?

Facebook

Not registered yet?

Register and redeem free papers!

To receive free papers from eKönyvtár.com it is necessary to register. It's quick and will only take a few seconds.

If you have already registered, simply to access the free content.

Cancel Register