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The CBS field-sequential system was an example of a mechanical television system because it relied in part on a disc of color filters rotating at 1440 rpm inside the camera and the receiver, capturing and displaying red, green, and blue television images in sequence.
Starting before CBS color even got on the air, the U.S. television industry, represented by the National Television System Committee, worked in 1950–1953 to develop a color system that was compatible with existing black-and-white sets and would pass FCC quality standards, with RCA developing the hardware elements.
It utilized a mechanical color wheel on both the camera and on the television home receiver, but was not compatible with the existing post-war NTSC, 525-line, 60-field/second black and white TV sets as it was a 405-line, 144-field scanning system. [2] It was the first color broadcasting system that received FCC approval in 1950, and the CBS ...
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.
In addition to his work on the LP record, Goldmark developed field-sequential color technology for color television while at CBS. The system, first demonstrated on August 29, 1940, and shown to the press on September 3 [4] used a rapidly rotating color wheel that alternated transmission in red, green and blue. The system transmitted on 343 ...
Introduction of color television in countries by decade. This is a list of when the first color television broadcasts were transmitted to the general public. Non-public field tests, closed-circuit demonstrations and broadcasts available from other countries are not included, while including dates when the last black-and-white stations in the country switched to color or shutdown all black-and ...
Later, simultaneous color systems superseded the CBS-Goldmark system, but mechanical color methods continued to find uses. Early color sets were very expensive: over $1,000 in the money of the time. Inexpensive adapters allowed owners of black-and-white NTSC television sets to receive color telecasts.
In the spring of 1940, CBS staff engineer Peter Goldmark devised a system for color television, hoping to gain advantage regarding NBC and its black-and-white RCA system. [12] [13] The new system proposed by CBS was based on field sequential color and incompatible with existing sets [14] but "gave brilliant and stable colors", while NBC developed a black and white compatible color TV system ...