IEEE
You are not logged in, please sign in to edit > Log in / create account  

Coherer

From GHN

(Difference between revisions)
Jump to: navigation, search
(New page: '''''This article is a stub. You can help the GHN by expanding it.''''' Paris, France. On 24 November 1890, Édouard Branly invented the Coherer, a device important in the early developme...)
 
Line 1: Line 1:
'''''This article is a stub. You can help the GHN by expanding it.'''''
+
'''''This article is a stub. You can help the GHN by expanding it.'''''  
  
 
Paris, France. On 24 November 1890, Édouard Branly invented the Coherer, a device important in the early development of wireless telegraphy. The device, a glass tube with terminals containing metal filings, acts as an insulator unless acted upon by an electric spark, when it becomes a conductor. Tapping the device separates the filings and it again becomes an insulator.
 
Paris, France. On 24 November 1890, Édouard Branly invented the Coherer, a device important in the early development of wireless telegraphy. The device, a glass tube with terminals containing metal filings, acts as an insulator unless acted upon by an electric spark, when it becomes a conductor. Tapping the device separates the filings and it again becomes an insulator.
 +
 +
[[Category:Communications]]
 +
[[Category:Telegraphy]]

Revision as of 15:53, 5 January 2009

This article is a stub. You can help the GHN by expanding it.

Paris, France. On 24 November 1890, Édouard Branly invented the Coherer, a device important in the early development of wireless telegraphy. The device, a glass tube with terminals containing metal filings, acts as an insulator unless acted upon by an electric spark, when it becomes a conductor. Tapping the device separates the filings and it again becomes an insulator.