horizontal scan rate


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horizontal scan rate

(hardware)
(HSR) The measure of how many scan lines of pixels a monitor can display in one second, expressed in kHz (generally somewhere between 20 and 100 kHz).

The HSR is controlled by the horizontal sync signal generated by the video controller, but is limited by the speed with which the monitor can scan the electron beam horizontally across the screen and then return it to the beginning of the next line.
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References in periodicals archive ?
A horizontal scan rate is the number of lines illuminated on a video screen in one second.
The scan doubler boosts output to 1,000 TV lines in addition to bringing the horizontal scan rate up to 31.
Units with this feature automatically lock onto the horizontal scan rate of the device serving as the source of the visual material.
A projector's horizontal scan rate determines its compatibility with computers and video recorders.

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