IEE One-Plane Readout Model 00880-04-M557-718
Afficheur à ampoules incandescentes
Anzeige auf Basis von Glühlampen

Manufactured by • Fabriqué par • Hergestellt von : INDUSTRIAL ELECTRONIC ENGINEERS Inc., Van Nuys, California

5 V.

NSN 1H 4935-LL-HDG-X038.

Also known as “In Line Display”, these projection displays were invented by IEE in 1956 for use in their proprietary industrial control systems; the devices proved so popular with customers that IEE began producing and selling the displays as a stand-alone product.

A projection display functions like a miniature slide projector: light from one of 12 different lamps is projected through one of 12 focusing lenses, which directs the light beam onto the appropriate number mask. Light exiting the digit mask passes through a second set of lenses, which bends the light to project the image of the digit mask onto the center of a fogged plastic screen at the front of the display.

An advantage of projection displays is that the bulbs can be replaced when they are burned out.

This model has only two lamps, which display “MSL ENAB ON” and “MSL ENAB OFF”.

 

28 x 19 x 64 mm • 1" 1/8 x 3/4" x 2" 1/2

 

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