RGB
RGB (Red, Green, Blue) refers to a video signal format that separates the color information into three primary colors: red, green, and blue. Each color component is transmitted as a separate signal, allowing for precise control over color reproduction on the CRT monitor or television.
In the RGB signal format, the red, green, and blue signals are generated by a video source, such as a DVD player, computer or gaming console, and sent to the CRT display through separate channels. These signals are typically transmitted using analog connections, such as VGA (Video Graphics Array) or component video cables.
Inside the CRT monitor, each color signal is processed and amplified individually. The red, green, and blue electron guns within the CRT shoot beams of electrons at the phosphor-coated screen. The intensity of each electron beam determines the brightness of the corresponding color at each pixel location on the screen.
By combining the red, green, and blue colors at varying intensities, the CRT display can produce a wide range of colors and shades, resulting in vibrant and accurate color reproduction. This RGB signal format offers better color fidelity and avoids color bleeding or distortion that can occur in composite or S-video signals.
RGB signals have been widely used in CRT technology, particularly in professional applications that require precise color reproduction, such as graphic design, video editing, and professional photography. Overall, RGB signals in CRT technology plays a crucial role in delivering high-quality color representation and contributed to the visual excellence that CRT displays are known for.