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2. Perkins Brailler - Wikipedia

   en.wikipedia.org/wiki/Perkins_Brailler

   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.

3. Braille - Wikipedia

   en.wikipedia.org/wiki/Braille

   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 ...

4. Braille technology - Wikipedia

   en.wikipedia.org/wiki/Braille_technology

   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.

5. Refreshable braille display - Wikipedia

   en.wikipedia.org/wiki/Refreshable_braille_display

   The base of a refreshable braille display often integrates a pure braille keyboard. Similar to the Perkins Brailler , the input is performed by two sets of four keys on each side, while output is via a refreshable braille display consisting of a row of electro-mechanical character cells , each of which can raise or lower a combination of eight ...

6. Moon type - Wikipedia

   en.wikipedia.org/wiki/Moon_type

   Moon first formulated his ideas in 1843 and published the scheme in 1845. Moon is not as well known as braille, but it is a valuable alternative [citation needed] touch reading scheme for the blind or partially sighted people of any age. Rather than the dots of braille type, Moon type is made up of raised curves, angles, and lines.

7. AI-powered robot guide dogs developed for visually impaired - AOL

   www.aol.com/ai-powered-robot-guide-dogs...

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