- Color Television Inc.
Color Television Inc. was an American research and development firm founded in 1947 and devoted to creating a color television system to be approved by the Federal Communications Commission as the U.S. color broadcasting standard. Its system was one of three considered in a series of FCC hearings from September 1949 to May 1950. Unlike the winning field-sequential color system by CBS, the line sequential CTI system was all-electronic with no color scanning disk, and fully compatible with existing black and white receivers. Unlike the dot sequential RCA system, it used only one scanning tube in the camera and one picture tube in the receiver. CTI's camera used three lenses, behind which were mounted red, blue, and green color filters that produced three images side by side on a single scanning tube. At the receiver, the three images were received on three separate areas of a picture tube, each area treated with different phosphorescent compounds that glowed in red, blue, or green. Superimposing lenses were used to merge the separate images into a single color image on a rear projection screen in the television set.
The CTI system was first demonstrated to the FCC in Washington, D.C., on February 20, 1950, by which time CTI had spent $600,000 to develop the system. The CBS, RCA, and CTI systems were compared side by side three days later. Billboard reported that FCC insiders said that CTI's system came in third place, on the basis of color registry and definition. "CTI's sets lacked intensity," it said, "but while its colors were of a hazy blue-violet cast, some engineers believed that it showed potentialities." A writer for Popular Science similarly reported that the colors were not true, nor were they in register.
On August 29, CTI declared in a petition to the FCC that it had invented a "wholly new" color system, which it called "uniplex". Nonetheless, the FCC released a report on September 1 strongly favoring the CBS system. The FCC issued its final report, choosing CBS, on October 11. In reply to CTI's petition to reopen the hearings, the FCC said that "new ideas and new inventions are matters of weekly, even daily, occurrence," and therefore the Commission had to make a decision at some point. But it held the door open, adding that it "cannot refuse to consider" improved color systems are they are developed.
CTI negotiated a $4 million contract in August 1951 to manufacture airborne radar and other electronic products, planning to use the revenue to further develop its color television system for public acceptance. Nothing further was heard from CTI after the Defense Production Administration suspended the mass production of color television receivers in October 1951 "to conserve critical materials" for the duration of the Korean War.
- ^ "Color TV's Just Confusin'," The Washington Post, Feb. 26, 1950, p. L1.
- ^ "Color Show Proves Little; FCC May Split Hue, Freeze", Billboard, March 4, 1950, p. 6.
- ^ "You'll Get Color TV Sooner Than You Think", Popular Science, June 1950, p. 108, 110.
- ^ "New Color TV Is 'Superior,' Firm Asserts," The Washington Post, Aug 30, 1950, p. B11. "Color Television, Inc., Comes Up With 'Wholly New' System," The Wall Street Journal, August 30, 1950, p. 2.
- ^ "Color Television," The Wall Street Journal, Oct. 12, 1950, p. 3.
- ^ "Color Television, Inc.," The Wall Street Journal, August 28, 1951, p. 14.
- ^ "Color TV Shelved As a Defense Step", The New York Times, Oct. 20, 1951, p. 1.
- ^ "Color Television, Inc., to Show Its Product to FCC Monday," The Washington Post, Feb. 17, 1950, p. 16.
- Scanning System for Color Television, U.S. Patent application by George E. Sleeper, Jr. for CTI, filed in 1947.
- Mutlicolor Television, U.S. Patent application by George E. Sleeper, Jr. for CTI, filed in 1949.
- Line Sequential Color Television Apparatus, U.S. Patent application by George E. Sleeper, Jr. for CTI, filed in 1950.
- Early Television Foundation, CTI Color System (1948).
Wikimedia Foundation. 2010.
См. также в других словарях:
Color television — Title card for NBC, promoting their broadcast in RCA color . Color television is part of the history of television, the technology of television and practices associated with television s transmission of moving images in color video. In its most… … Wikipedia
Television set —  TV set redirects here. For other uses, see Television set (disambiguation) … Wikipedia
Television — For other uses, see Television (disambiguation). TV redirects here. For other uses, see TV (disambiguation) … Wikipedia
Television advertisement — Commercial break redirects here. For the Blur song, see Modern Life is Rubbish. A television advertisement or television commercial, often just commercial, advert, ad, or ad film (India) – is a span of television programming produced and paid for … Wikipedia
Color depth — 1 bit monochrome 8 bit grayscale 8 bit color 15/16 bit color (High color) 24 bit color (True color) 30/36/48 bit color (Deep color) Related Indexed color Palette RGB color model Web safe color This box … Wikipedia
Color killer — The color killer is an electronic stage in color TV receiver sets which acts as a muting circuit to cut off the color amplifiers when the TV receives a monochrome signal. Contents 1 Monochromatic transmission 2 Color transmission 3 … Wikipedia
Televisión en Ecuador — En este artículo sobre televisión se detectaron los siguientes problemas: Necesita ser wikificado conforme a las convenciones de estilo de Wikipedia. Carece de fuentes o referencias que aparezcan en una fuente acreditada … Wikipedia Español
Color correction — This article is about color correction using lighting and camera filters. For video color correction in post production, see Color grading. For color correction of still images in post production, see Color balance. For mutual color correction of … Wikipedia
Televisión Azteca — Existen desacuerdos sobre la neutralidad en el punto de vista de la versión actual de este artículo o sección. En la página de discusión puedes consultar el debate al respecto. Televisión Azteca, S.A. de C.V … Wikipedia Español
Color — This article is about the perceptual property. For other uses, see Color (disambiguation). For usage of color on Wikipedia, see Wikipedia:Colors. Colored pencils Color or colour (see spelling differences) is the visual perceptual property… … Wikipedia