Tuesday 15 February 2022

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Though antecedents exist especially with opening captioning on the BBC and PBS for episodes of The French Chef, closed-captioning technology that would become commercially available by the end of the decade was first demonstrated on this day in 1972 to students a Gallaudet College (the day before the anniversary of the prestigious school for the deaf and hard-of-hearing’s founding in 1864 in Washington, DC). A unit separate from the television set interpreted and displayed the embedded code for an episode of the ABC police procedural drama The Mod Squad.