Category:Couplers

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Coupling is the transfer of energy from one medium to another

A 1939 photo of railroad car couplers

Subcategories

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

Subcategories

This category has only the following subcategory.

D

Directional couplers

Media in category "Couplers"

This category contains only the following file.

1939 Railroad Car Couplers.jpg 700 × 449; 108 KB

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Communications