Cathode Ray Tube Explained – Everything You Need To Know

A cathode ray tube is a glass vacuum tube that manipulates electron beams to display images on a screen. The CRT was invented when Julius Plücker inserted metal plates into a Geissler tube and noticed a pale green light at the positive end of the tube.

Facts about the Cathode Ray Tube

– In 1855, Heinrich Geissler was awarded a gold medal by the Exposition Universelle (World Exhibition) in Paris. – While we think of CRT as display technology, it can also be used for storage.

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Cathode Ray Tube History

The history of cathode ray tube can be followed back to at least 1854 when the skilled German glassblower and mechanic Johann Heinrich Wilhelm Geißler also known as Heinrich Geissler was asked to design an apparatus for evacuating a glass tube by Julius Plücker.

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Cathode Ray Tube: How It Works

In essence, a cathode ray tube (CRT) is a vacuum tube that displays visuals when its phosphorescent surface is hit by electron beams and scanned by a scanning device.

Cathode Ray Tube: Historical Significance

At the time of its invention, the cathode ray tube was widely considered to be the most complicated and advanced piece of consumer technology ever made.

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