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Home → Magazine Archive → September 1972 (Vol. 15, No. 9) → A controller for a braille terminal → Abstract

A controller for a braille terminal

By Richard Rubinstein, Julian Feldman

Communications of the ACM, Vol. 15 No. 9, Pages 841-842
10.1145/361573.361587

Anderson and Rogers [1] have described a set of modifications which convert a standard model 33 tele-type into a device which produces embossed braille characters. Thus, blind computer users can communicate with a computer without the help of a sighted person to read the output. The disadvantage of this terminal alone is that either the applications program or the operating system of the host computer must have special software to map each output character into a sequence of three characters necessary to emboss its braille equivalent. Such software modification can be expensive and has to be done for each applications program or operating system the blind person wants to use.

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