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342 McCoy AND WARNER October
It conducts a public-press service on a multiple-addressee basis, transmitting news items and other material intended for publication by press agencies and newspapers. Similarly, a theater television group might be organized to provide a limited common-carrier service to theaters, educational, and public-service organizations.
VIII. COLOR TELEVISION
From the early beginnings of television, the idea of television in color has intrigued the imagination. As the motion picture industry has discovered, the mere fact that a production is offered in color rather than in black and white increases the public's interest and makes for far greater salability. In the television field, the first proponent of color was the Columbia Broadcasting System, Inc., which for many years operated both black-and-white and color stations in New York City. Shortly after the end of hostilities, CBS felt that its color-television system was ready to emerge from the laboratory and experimental stage, and on September 27, 1946, it petitioned the FCC to promulgate rules and engineering standards authorizing commercial television in color in the ultra-high-frequency band (480 to 920 megacycles).11 The CBS proposal, based on developmental work by CBS's Peter Goldmark at a cost of some $2,000,000, looked toward the creation of 27 color television channels in the ultra-high-frequency band, each channel being 16 megacycles wide. This proposal would have appropriated substantially all of the ultra-high frequencies for color television.
After lengthy hearings on the CBS proposal, the FCC on March 18, 1947, denied the petition, primarily for the reason that "many of the fundamentals of a color-television system have not been adequately field-tested and that need exists for further experimentation." The FCC commended CBS and Dr. Goldmark for their great strides made in the field, and concluded: "It is hoped that all persons with a true interest in the future of color television will continue their experimentation in this field in the hope that a satisfactory system can be developed and demonstrated at the earliest possible date."12
The CBS proposal contemplated authorization of the so-called sequential system in which each picture is scanned through separate color filters — red, green, and blue, in turn. Under that proposal the transmissions in the separate colors followed each other at the rate of 48 per second. The three colors were accepted by the receiver by means of a color wheel containing filters of red, green, and blue, which