TV size measurement method:
TV size is the length of the screen diagonal
The conversion of the unit of measurement is 1 cm = 0.3937 inches (or 1 inch = 2.54 cm), for example, a 64 cm television is 25 inches. In the technical parameter standard of CRT TV, the TV size refers to the diagonal size of the glass of the picture tube. Due to the thicker glass corners, it allows the diagonal length of the actual visible image to have a certain elastic space, such as 54 cm. (21 inches) CRT color TV, the visual image of the diagonal line only need to be greater than or equal to 51 cm is considered to meet the standard.
In general, the screen diagonal size of a flat-panel TV is basically the same as the effective visible image size, but some companies also calculate the black edges around them into the size, so there are some marked dimensions and effective visible images. There is a gap in size. At present, the size of flat-panel televisions is relatively large, and it is also rather confusing. Unlike the CRT TVs, there are no specific specifications. When people purchase, they can take their own ruler to measure the visual image size (within the border).
TV size is the length of the screen diagonal
The conversion of the unit of measurement is 1 cm = 0.3937 inches (or 1 inch = 2.54 cm), for example, a 64 cm television is 25 inches. In the technical parameter standard of CRT TV, the TV size refers to the diagonal size of the glass of the picture tube. Due to the thicker glass corners, it allows the diagonal length of the actual visible image to have a certain elastic space, such as 54 cm. (21 inches) CRT color TV, the visual image of the diagonal line only need to be greater than or equal to 51 cm is considered to meet the standard.
In general, the screen diagonal size of a flat-panel TV is basically the same as the effective visible image size, but some companies also calculate the black edges around them into the size, so there are some marked dimensions and effective visible images. There is a gap in size. At present, the size of flat-panel televisions is relatively large, and it is also rather confusing. Unlike the CRT TVs, there are no specific specifications. When people purchase, they can take their own ruler to measure the visual image size (within the border).
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