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Relative spectral power of red, green and blue phosphors of a common plasma display. The units of spectral power are simply raw sensor values (with a linear response at specific wavelengths). In a monochrome plasma panel, the gas is mostly neon, and the color is the characteristic orange of a neon-filled lamp (or sign). Once a glow discharge ...
Toshiba invested a total of ¥319.9 billion in R&D in the year ended 31 March 2012, equivalent to 5.2 percent of sales. [116] Toshiba registered a total of 2,483 patents in the United States in 2011, the fifth-largest number of any company (after IBM, Samsung Electronics, Canon and Panasonic). [116]
In 1993, Matsushita released the CF-V21P, the first notebook computer to have an integrated CD-ROM drive as an option (although only up to 80mm/3.5 inch diameter mini CDs instead of standard 120mm/4.7 inch diameter discs). [44]: 111 In 1998, Matsushita sold Anam National to Anam Electronics.
[7] [8] [9] It is the world's largest player in the premium TV market for a television of at least 55 inches (140 centimeters) with a price higher than $2,500 as well as second largest TV brand by market share and, as of 2020, the third largest television manufacturer in the world by annual sales figures. [10] [11] [12] [13]
The tube was mounted vertically in the bottom of the cabinet with the screen pointing downward towards a concave mirror which reflected the image upward toward an angled mirror at the top of the cabinet onto the 25 inch screen, The top of the tube mirror box had a Schmidt lens [e] to correct aberrations. Because the picture had to be magnified ...
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 ...
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