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 or harpsichord 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;
• A valve, specifically a tap, for controlling the release of beer out of a keg;
• A short length of pipe with two female threads, see coupling (piping);
• A sound artist www.elcoupler.com, see http://noise.alphamanbeast.com/artists/?page=c;

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