Technologies are constantly being improved, so every year new, modern devices appear that are difficult for a beginner to understand. But do not forget about their "ancestors". For example, not many people know what a CRT monitor is, what are the features of the internal structure and what is its principle of operation.
Meanwhile, in order to choose the most modern and suitable equipment for yourself, you need to know all the important information about how it works, because all new models are developed on the basis of old ones. You will learn all the most useful about a CRT monitor from this article.
What is a CRT monitor?
Such a monitor, sometimes called the CRT abbreviation, is a screen designed to display various images, text, video and other files. Simply put, this is a familiar to all of us computer display that existed before the advent of liquid crystal models.
The principle of its operation is based on the use of a cathode ray tube. The first such devices appeared at the end of the XIX century, but they were a little like what we used to call a monitor now.
The very first devices showed an exclusively black and white image and became widespread around the forties of the last century. Since then, much has changed and the capabilities of modern LCD screens are simply amazing. They are able to show a really clear picture that does not slow down and does not have “traces” of the previous frame or the “blur” effect.
In addition, the size of the displays has increased. This allows you to make using your computer even more comfortable, not only for work, but also for watching movies, photos and other multimedia.
CRT monitor device
The defining part in this design is a kinescope, i.e. a cathode ray tube. The electron beams are guided using special coils, deflecting and focusing. There is also an internal magnetic screen and a shadow mask. Rays are directed through them and thus the image is displayed on the screen.
The color scheme that is present in each display is provided with a special coating called phosphor. Inside there is also a clamp with mounting brackets that protects individual structural elements.
Now that you know what is inside such a monitor, you can familiarize yourself with the physical principles of forming its image. This is not such a difficult process, because such models are almost never used and are the very first developments in the field of monitors.
The principle of operation of a CRT monitor
The cathode ray tube is glass and absolutely hermetic, i.e. there is no air access to it.
The necessary image is formed using the so-called electron gun, from where the electrons are sent to the display. A tube coated at one end with a phosphor composition is not wide and rather long.
Electrons fall on this compound, which causes them to convert energy into light. Thus, a wide color gamut is manifested, although it may seem relatively poor to those who are used to the incredible brightness of modern LCD displays.
In most cases, in such monitors there are only three colors: green, red and blue, and the rest of the color solutions are obtained by mixing these colors.
These colors are recognized as basic and it is believed that the eyes of a person recognize mainly them.
How to properly configure the monitor
Before proceeding to use such a screen, it still needs to be configured. Most often, buyers prefer to contact specialists who, using calibrators, will set up the monitor correctly.
IMPORTANT! Please note that such a setting is required only for CRT monitors, but not liquid crystal monitors, which are now used in the vast majority of modern devices. Such monitors are distinguished by their large dimensions, so they are easy to distinguish from thin and new LCDs.
But do not panic and immediately turn to professionals, for whose work you have to pay. You can try to configure the monitor yourself using the settings menu.
First of all, pay attention to the screen resolution. This is important for the correct display of the picture and its clarity. It is important to know which resolution is right for each screen. Another important parameter is the screen frequency. For such screens, it is approximately 100 Hz. The final image quality directly depends on this.
Also adjust the brightness and contrast. This way you will make the picture perfect for yourself.
Now you know what a CRT monitor is, what are its features and how it works. An important thing is the ability to configure it so that everything that appears on the screen is clearly distinguishable and pleases with acceptable quality. To do this, it is important to understand how the image is displayed on the screen, as well as how you can improve it yourself.
Leave Your Comment