Comparator

Com'pa·ra`tor noun [ Latin , a comparer.] (Physics) An instrument or machine for comparing anything to be measured with a standard measure; -- applied especially to a machine for comparing standards of length.
Found on http://www.encyclo.co.uk/webster/C/119

Comparator

• (n.) An instrument or machine for comparing anything to be measured with a standard measure; -- applied especially to a machine for comparing standards of length.
Found on http://thinkexist.com/dictionary/meaning/comparator/

comparator

(from the article `gauge`) ...include dial indicators, in which movement of a gauging spindle deflects a pointer on a graduated dial; wiggler indicators, which are used by ...
Found on http://www.britannica.com/eb/a-z/c/120

Comparator

A device for inspecting screw threads and outlines by comparing them with a greatly enlarged standard chart.
Found on http://www.encyclo.co.uk/local/21038

comparator

See test comparator....
Found on http://www.imbus.de/glossar/

comparator

device which, by comparison, provides information on the difference between the values of two quantities
Found on http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=312-02-42

comparator

Clyde Tombaugh at work on the blink comparator at the Lowell Observatory, ca. 1938. Credit: Lowell Observatory A device used to look for parallax motion, proper motion, asteroids, or variable stars by quickly alternating between views of two photographic plates taken at different times; also kn...
Found on http://www.daviddarling.info/encyclopedia/C/comparator.html

Comparator

A comparator consists of a specialized high-gain differential amplifier. They are commonly used in devices that measure and digitize analog signals, such as analog-to-digital converters (ADCs), as well as relaxation oscillators. == Differential Voltage == Specific rail-to-rail comparators with p-n-p input transistors, like the LM139 family, allow ...
Found on http://en.wikipedia.org/wiki/Comparator
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