Revision as of 21:10, 8 February 2012 by Beichner (talk | contribs)

Coupling is the transfer of energy from one medium to another

A 1939 photo of railroad car couplers


  • Directional couplers - devices that couple a defined amount of electrical power in a transmission line to another port where it can be used in another circuit, unidirectional


This category has only the following subcategory.

Media in category "Couplers"

This category contains only the following file.