Fifty Years Ago .... from the pages of Computer Weekly
/Plans for test runs of TV data transmission: A unified national system of data transmission using domestic television receivers has now been agreed between the BBC and the IBA and experimental transmissions are planned for the autumn. The system incorporates features of both the BBC’s Ceefax, announced in October 1972, and the IBA’s Oracle, which came out a few months later. The principle of both systems is to make use of suppressed lines in the video transmission to carry data which can be displayed on the television screen by means of a special adaptor.
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