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DECAPOINT, or raphigraphy, was a tactile form of the Latin script invented by Louis Braille
Braille
as a system that could be used by both the blind and sighted. It was published in 1839. Letters retained their linear form, and so were legible without training to the sighted, but the lines were composed of embossed dots like those used in braille . Each letter contained ten dots in the height and different dots in the width to produce the graphic form of print.

The reason for the development of this writing was that relatives of the students could not read Braille.

These letters were not easy for the blind to write because of their height of ten dots despite grid. It therefore did not take long for the blind friend of Louis Braille
Braille
Pierre François Victor Foucault in 1841 to build the first apparatus, the Raphigraph, which could push all the points of one column of characters at the same time into the paper. This font was now named RAPHIGRAPHY (Raphigrafie or Raphigraphie).

When the first typewriters were invented, they repressed quickly the complicated Raphigraphy or decapoint, despite the impossibility for the blind to read the writing of typewriters. And so the Decapoint
Decapoint
or Raphigraphy fell into oblivion, but it was the first digital font of Latin letters ever.

REFERENCES

* Louis Invents Decapoint, American Foundation for the Blind * Source: Louis Braille: Brochure from 1839 (French) Nouveau procede pour representer des points la forme meme des letters, les cartes de geographie, les figures de geometrie, les caracteres de musiques, etc., a l'usage des aveugles (New Method for Representing by Dots the Form of the Letters Themselves, Maps, Geometric Figures, Musical Symbols, etc., for Use by the Blind) * The Raphigraphie by Louis Braille
Braille
in 1839, character set worked up optically (German)

* v * t * e

Braille
Braille
⠃⠗⠁⠊⠇⠇⠑

BRAILLE CELL

* 1829 braille
1829 braille
* International uniformity * ASCII braille * Unicode braille patterns

BRAILLE SCRIPTS

French-ordered scripts (see for more)

* Albanian * Amharic * Arabic * Armenian * Azerbaijani * Belarusian

* Bharati

* Devanagari (Hindi / Marathi / Nepali) * Bengali * Punjabi * Sinhalese * Tamil * Urdu * etc.

* Bulgarian * Burmese * Cambodian * Cantonese * Catalan * Chinese (Mandarin, mainland) * Czech * Dutch * Dzongkha (Bhutanese) * English (Unified English ) * Esperanto * Estonian * Faroese * French * Georgian * German * Ghanaian * Greek * Guarani * Hawaiian * Hebrew * Hungarian * Icelandic * Inuktitut (reassigned vowels) * Iñupiaq * IPA * Irish * Italian * Kazakh * Kyrgyz * Latvian * Lithuanian * Maltese * Mongolian * Māori * Nigerian * Northern Sami * Persian * Philippine * Polish * Portuguese * Romanian * Russian * Samoan * Scandinavian * Slovak * South African * Spanish * Tatar * Taiwanese Mandarin (largely reassigned) * Thai border-left-width:2px;border-left-style:solid;width:100%;padding:0px">

* Algerian Braille
Braille
(obsolete)

FREQUENCY-BASED SCRIPTS

* American Braille
Braille
(obsolete)

INDEPENDENT SCRIPTS

* Japanese * Korean * Two-Cell Chinese

EIGHT-DOT SCRIPTS

* Luxembourgish * Kanji * Gardner–Salinas braille codes (GS8)

SYMBOLS IN BRAILLE

* Braille
Braille
music * Canadian currency marks * Computer Braille
Braille
Code * Gardner–Salinas braille codes (GS8/GS6) * International Phonetic Alphabet (IPA) * Nemeth braille code

BRAILLE TECHNOLOGY

* Braille
Braille
e-book * Braille
Braille
embosser * Braille
Braille
translator * Braille
Braille
watch * Mountbatten Brailler * Optical braille recognition
Optical braille recognition
* Perforation * Perkins Brailler
Perkins Brailler
* Refreshable braille display
Refreshable braille display
* Slate and stylus
Slate and stylus
* Braigo

PERSONS

* Louis Braille
Braille
* Charles Barbier * Valentin Haüy
Valentin Haüy
* Thakur Vishva Narain Singh * Sabriye Tenberken
Sabriye Tenberken
* William Bell Wait
William Bell Wait

ORGANISATIONS

* Braille
Braille
Institute of America * Braille
Braille
Without Borders * Japan Braille
Braille
Library * National Braille
Braille
Association * Blindness organizations * Schools for the blind * American Printing House for the Blind

OTHER TACTILE ALPHABETS

* Decapoint * Moon type
Moon type
* New York Point * Night writing
Night writing
* Vibratese

RELATED TOPICS

* Accessible publishing * Braille
Braille
literacy * Robo Braille
Braille

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Decapoint
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