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The Indian-head test pattern is a test card that gained widespread adoption during the black-and-white television broadcasting era as an aid in the calibration of television equipment. It features a drawing of a Native American wearing a headdress surrounded by numerous graphic elements designed to test different aspects of broadcast display.
The TV Parental Guidelines are a television content rating system in the United States that was first proposed on December 19, 1996, by the United States Congress, the American television industry, and the Federal Communications Commission (FCC). The guidelines went into effect by January 1, 1997, on most major broadcast and cable networks in ...
Test card. SMPTE color bars: common NTSC test pattern. PM5544: common PAL test pattern. EBU colour bars (4:3) A test card, also known as a test pattern or start-up/closedown test, is a television test signal, typically broadcast at times when the transmitter is active but no program is being broadcast (often at sign-on and sign-off ). [ 1]
The broadcast of educational children's programming by terrestrial television stations in the United States is mandated by the Federal Communications Commission (FCC), under regulations colloquially referred to as the Children's Television Act ( CTA ), the E/I rules, or the Kid Vid rules. [ 1][ 2] Since 1997, all full-power and Class A low ...
Thyroid hormones are any hormones produced and released by the thyroid gland, namely triiodothyronine ( T3) and thyroxine ( T4 ). They are tyrosine -based hormones that are primarily responsible for regulation of metabolism. T 3 and T 4 are partially composed of iodine, derived from food. [ 2] A deficiency of iodine leads to decreased ...
A smart TV, also known as a connected TV ( CTV ), is a traditional television set with integrated Internet and interactive Web 2.0 features that allow users to stream music and videos, browse the internet, and view photos. Smart TVs are a technological convergence of computers, televisions, and digital media players.
Rear-projection television ( RPTV) is a type of large-screen television display technology. Until approximately 2006, most of the relatively affordable consumer large screen TVs up to 100 in (250 cm) used rear-projection technology. A variation is a video projector, using similar technology, which projects onto a screen .
Safe area is a term used in television production to describe the areas of the television picture that can be seen on television screens . Older televisions can display less of the space outside of the safe area than ones made more recently. Flat panel screens, plasma displays and liquid crystal display (LCD) screens generally can show most of ...
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