Coupler
From Wikipedia, the free encyclopedia
Coupler is a word used to describe any of a number of things:
- A railway coupling device;
- An electronic device, more properly, an acoustic coupler;
- A telecommunications device known as a directional coupler;
- A kind of laser mirror known as an output coupler;
- A connector between two moving parts to relay the motion, such as a Universal joint or an Oldham coupler.
- A device used on a pipe organ to allow a player to play multiple divisions at once, by means of "coupling" a division to another at either sub, super, or octave pitches.
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