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1-inch Type C Helical Scan or SMPTE C is a professional reel-to-reel analog recording helical scan videotape format co-developed and introduced by Ampex and Sony in 1976. It became the replacement in the professional video and broadcast television industries for the then-incumbent 2-inch quadruplex videotape (2-inch Quad for short) open-reel format.
The optical box that housed the tube was also designed to shield the X-radiation produced by the tube. The optical boxes were produced in three versions for 15 + 1 ⁄ 2, 17 + 3 ⁄ 4 and 19 + 7 ⁄ 8 inch [diagonal] screens. Two further sizes were available for front projection onto 44 or 52 inch screens. [13]
In 1988, Sharp demonstrated a 14-inch, active-matrix, full-color, full-motion TFT-LCD. This led to Japan launching an LCD industry, which developed large-size LCDs, including TFT computer monitors and LCD televisions. [55] Epson developed the 3LCD projection technology in the 1980s, and licensed it for use in projectors in 1988. [56]
Mr. T did a video campaign for Hitachi Data Systems that was created and posted on consumer video sites including YouTube and Yahoo! Video. According to Steven Zivanic, senior director and corporate communications of HDS, "this campaign has not only helped the firm in its own area, but it has given the data storage firm a broader audience."
The first Betamax VCR introduced in the United States was the LV-1901 model, which included a 19-inch (48 cm) Trinitron television, and appeared in stores in early November 1975. The cassettes contain 0.50-inch-wide (12.7 mm) videotape in a design similar to that of the earlier, professional 0.75-inch-wide (19 mm), U-matic format. [citation needed]
The first commercial displays capable of this resolution include an 82-inch LCD TV revealed by Samsung in early 2008, [44] the Sony SRM-L560, a 56-inch LCD reference monitor announced in October 2009, [45] an 84-inch display demonstrated by LG in mid-2010, [46] and a 27.84-inch 158 PPI 4K IPS monitor for medical purposes launched by Innolux in ...
The size of CRTs increased over time, from 20 inches in 1938, [52] to 21 inches in 1955, [53] [54] 25 inches by 1974, 30 inches by 1980, 35 inches by 1985, [55] and 43 inches by 1989. [56] However, experimental 31 inch CRTs were made as far back as 1938. [57] In 1960, the Aiken tube was invented. It was a CRT in a flat-panel display format with ...
Each of the diagonal-angled tracks is a complete TV picture field, lasting 1 ⁄ 60 of a second (1 ⁄ 50 on PAL) on the display. One tape head records an entire picture field. The adjacent track, recorded by the second tape head, is another 1 ⁄ 60 or 1 ⁄ 50 of a second TV picture field, and so on. Thus one complete head rotation records an ...