IEE 220H-6409-B-328 Projection Display

IEE 220H-6409-B-328 Projection Display
Written by AnubisTTP on 2008-06-25

Description

IEE was almost surely responding to the hilarious bulk of their earlier projection displays when they designed this more advanced model. Taking up less than half the volume of larger displays like the 10000 series unit shown above, this model also has an easy access clamshell case, which significantly reduces the difficulty of changing the digit mask.

This model provides a perfect example of how projection displays were tailored to industrial control applications: the standard numeric mask has been replaced with a more custom unit that displays entire preset phrases.

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IEE 220H-6409-B-328 Projection Display
IEE 220H-6409-B-328 one-plane readout, a smaller, more compact version of IEE's standard projection display.

IEE 220H Series Projection Display
A clamshell cover allows easy access to the projection mask.

IEE 220H One Plane Readout
This model may be smaller than IEE's standard projection displays, but it is no less complex.

IEE Projection Display LEDs
The slides in a projection display are easy to replace; transparency prints and a fistful of RGB LED's allow the home experimenter to coax these devices into displaying nearly any symbol imaginable.

IEE 10000-1819-B Projection Display Cutaway
IEE projection display, cutaway diagram. The display shown is an IEE 10000 Series In Line Readout.

Various different models of IEE projection displays for scale comparision; from left to right: 340 series, 14928 series, 01100 series, 220H series, 00010 series, 10000 series. Note that IEE projection displays utilize composite part numbers and everything occurring after the first dash is encoded information about lamp voltage and character sets.

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