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The four-tube television camera, intended for color television studio use, was first developed by RCA in the early 1960s. [1] [2]: 96 In this camera, in addition to the usual complement of three tubes for the red, green and blue images, a fourth tube was included to provide luminance (black and white) detail of a scene.
RCA TK-41. The RCA TK-40 is considered to be the first practical [1] color television camera, initially used for special broadcasts in late 1953, and with the follow-on TK-40A actually becoming the first to be produced in quantity in March 1954.
During later model years, the XL-100 line became the middle and then lower-priced color televisions in the RCA lineup. RCA introduced the "Colortrak" in 1976 and toward the end of analog television, the "Dimensia" lines in the mid 1980s. In later years, all three TV lines used the same RCA CTC-xxx (CTC is RCA's acronym for Color TV Chassis ...
An RCA Victor Color TV ad featuring milliner Lilly Daché in 1959. Color television (American English) or colour television (Commonwealth English) is a television transmission technology that includes color information for the picture, so the video image can be displayed in color on the television set.
The Triniscope was an early color television system developed by RCA.It used three separate video tubes with colored phosphors producing the primary colors, combining the images through dichroic mirrors onto a screen for viewing.
Colortrak 2000 was a brand name used for RCA's high-end television models produced from the early-1980s to the early 1990s. Colortrak 2000 was situated above the less expensive Colortrak line, but below the more expensive Dimensia line. As opposed to ColorTrak, ColorTrak 2000 models incorporated a comb filter, which provided a sharper picture.
Test cards typically contain a set of patterns to enable television cameras and receivers to be adjusted to show the picture correctly (see SMPTE color bars).Most modern test cards include a set of calibrated color bars which will produce a characteristic pattern of "dot landings" on a vectorscope, allowing chroma and tint to be precisely adjusted between generations of videotape or network feeds.
The RCA TK-40 is considered to be the first color television camera for broadcasts in 1953. RCA continued its lead in the high-end camera market till the (1978) TK-47, last of the high-end tube cameras from RCA. [6] 1954 RCA's TK-11 studio camera used a 3" IO – Image Orthicon tube with a four-lens turret. The RCA TK-31 (1954) was widely used ...