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closed loop

noun, Computers, Electronics.
the complete path followed by a signal as it is fed back from the output of a circuit, device, or system to the input and then back to the output.
Compare feedback loop.


[klohzd-loop] /ˈkloʊzdˈlup/
adjective, Engineering
of or relating to a processing system in which effluents are recycled, that is, treated and returned for reuse.
of or relating to an automatic control system operating on a feedback principle.
Compare feedback (def 2).
Origin of closed-loop
1950-55 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for closed loop
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Historical Examples
  • Thus, you see, magnetism produces electricity in the closed loop of wire as it cuts through the magnetic lines of force.

    ABC of Electricity William Henry Meadowcroft
  • The f is longer than the , the g has a very fine form with a closed loop, the r is sharpened, the t straight.

  • The ankh merely vibrates to evil because of the closed loop at the top, which makes a return circuit.

    The Eyes Have It Gordon Randall Garrett

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