Search results
Results from the WOW.Com Content Network
The size of a screen is usually described by the length of its diagonal, which is the distance between opposite corners, typically measured in inches. It is also sometimes called the physical image size to distinguish it from the "logical image size," which describes a screen's display resolution and is measured in pixels. [1] [2]
Main Menu. News
Example: for a 1080 HDTV used at a distance of 250 cm, you need to find a screen whose height is close to 250 / 3.2 = 78 cm (63 inches diagonally). Find the right video resolution. Example: a 53 cm high screen (43 inches diagonal), located at a distance of 300 cm, does not need to show video with a resolution higher than HD 720.
The 2.1-inch (5.3 cm) Epson ET-10 [39] (Epson Elf) was the first color LCD pocket TV, released in 1984. [40] In 1988, a Sharp research team led by engineer T. Nagayasu demonstrated a 14-inch (36 cm) full-color LCD display, [ 34 ] [ 41 ] which convinced the electronics industry that LCD would eventually replace the CRT as the standard television ...
Only 704 center pixels contain the actual image and 16 pixels are reserved for horizontal blanking, though a number of broadcasters fill the whole 720 frames. [ citation needed ] The display ratio for broadcast widescreen is commonly 16:9 (pixel aspect ratio of 40:33 for anamorphic ); the display ratio for a traditional or letterboxed broadcast ...
The diagonal screen size of a CRT television is limited to about 100 cm (40 in) because of size requirements of the cathode-ray tube, which fires three beams of electrons onto the screen to create a viewable image. A large-screen TV requires a longer tube, making a large-screen CRT TV of about 130 to 200 cm (50 to 80 in) unrealistic.
An additional content descriptor, "E/I", is applied to select TV-Y, TV-Y7, and TV-G programmes that are designed to meet the educational and informative needs of children aged 16 and under. A minimum of three hours of E/I-compliant programming must be broadcast per week by each television network; E/I programming must air between 6:00 a.m. and ...
This page was last edited on 17 March 2018, at 02:24 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may ...