emitter

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emitter

[i′mid·ər]
(computer science)
A time pulse generator found in some equipment, such as a card punch.
(electronics)
A transistor region from which charge carriers that are minority carriers in the base are injected into the base, thus controlling the current flowing through the collector; corresponds to the cathode of an electron tube. Symbolized E. Also known as emitter region.

emitter

A device radiating in usable visible, IR (infrared), or RF (radio frequency) wavelengths.

emitter

One side of a bipolar transistor. See collector.
References in periodicals archive ?
Most of the consumer applications work with a combination of IR emitters and receivers, through reflective sensing, as the technology used to "detect" the heat radiated out of a body is expensive.
In conventional QKD systems with quantum dot single-photon emitters, however, there are two problems.
The FRMW emitters will use less electric power than conventional medium wave emitters because they can be turned off and on in seconds.
Ethanol emitters can control mycological growth, essentially extending product shelf life.
It installed combinations of IPG's emitters and multi-joint robots from Fanue Ltd.
You can use low volume, mini-sprinklers - they snap into polytheylene tubing just like emitters - to water ground covers.
Some kits contain emitter hose with emitters built into the hose.
The light-emitting carbon nanotubes represent the first electrically controlled single-molecule light emitter ever constructed.
Our new emitters ensure that each customer will have the best emitter for their specific environment," said Ian Matthew, director of marketing, StereoGraphics Corporation.
In addition, with the availability of emitters with different spacings, subsurface systems can be designed for berms and slopes to avoid wet spots at low points and dry spots at the tops.
The 8-degree narrow spot lens, coupled with the LZC 12-die, multi-color RGB, RGBA or RGBW emitters, provides effective in-source color mixing for dynamic color in entertainment and architectural lighting applications.