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Visually impaired users can read the computer screen by using screen reader computer software and/or braille displays. Users of such a system can use a computer keyboard in the standard way for typing or can use a special keyboard driver that allows the six keys sdf-jkl to be used as a braille entry device similar to the Perkins Brailler.
Braille technology is assistive technology which allows blind or visually impaired people to read, write, or manipulate braille electronically. [1] This technology allows users to do common tasks such as writing, browsing the Internet, typing in Braille and printing in text, engaging in chat, downloading files and music, using electronic mail, burning music, and reading documents.
where the word premier, French for "first", can be read. Braille was based on a tactile code, now known as night writing, developed by Charles Barbier. (The name "night writing" was later given to it when it was considered as a means for soldiers to communicate silently at night and without a light source, but Barbier's writings do not use this term and suggest that it was originally designed ...
Lomak keyboards being used with a head-pointer and a hand-pointer. LOMAK is an acronym for Light Operated Mouse And Keyboard.It is an assistive technology device designed for use by people who cannot use a standard computer keyboard and mouse.
The LK201 is a detachable computer keyboard introduced by Digital Equipment Corporation of Maynard, Massachusetts in 1982. It was first used by Digital's VT220 ANSI/ASCII terminal and was subsequently used by the Rainbow-100, DECmate-II, and Pro-350 microcomputers and many of Digital's computer workstations such as the VAXstation and DECstation families.
A braille embosser showing some pages created on it. A braille embosser is an impact printer that renders text as tactile braille cells. Using braille translation software, a document or digital text can be embossed with relative ease.
Print/export Download as PDF; Printable version; ... Pages in category "Computer keyboards" The following 33 pages are in this category, out of 33 total.
Overhead view of DataHand units that provide full computer keyboard and mouse functionality The right-hand of a Professional II keyboard [1]. The DataHand is an unconventional computer keyboard introduced in 1990 by DataHand Systems, Inc., designed to be operated without any wrist motion or finger extension.
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