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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
The Braille pattern dots-4 ( ⠈) is a 6-dot or 8-dot braille cell with the top right dot raised. It is represented by the Unicode code point U+2808, and in Braille ASCII with the "at" sign: @. Character information
Date/Time Thumbnail Dimensions User Comment; current: 11:16, 26 July 2012: 154 × 215 (361 bytes): Vanisaac: Smaller file size w/ transparent background. 23:13, 5 October 2005
The braille package for LaTeX (and several printed publications such as the printed manual for the new international braille music code) show unpunched dots as very small dots (much smaller than the filled-in dots) rather than circles, and this tends to print better.
In 2020, engineering startup 4Blind, Inc. from Boston created the tactile e-book called Braille Pad. This is an 8-inch tablet (contains 3249 tactile pixels) with a built-in camera, which gives access to any graphic images (maps, graphs, etc.), and also allows the user to take photos with instant tactile transmission. [ 12 ]
Date/Time Thumbnail Dimensions User Comment; current: 10:17, 26 July 2012: 154 × 215 (403 bytes): Vanisaac: Smaller file size w/ transparent background. 13:42, 4 October 2005
In all braille systems, the braille pattern dots-0 is used to represent a space or the lack of content. [1] In particular some fonts display the character as a fixed-width blank. However, the Unicode standard explicitly states that it does not act as a space, [2] a statement added in response to a comment that it should be treated as a space. [3]
Braille ASCII (or more formally The North American Braille ASCII Code, also known as SimBraille) is a subset of the ASCII character set which uses 64 of the printable ASCII characters to represent all possible dot combinations in six-dot braille. It was developed around 1969 and, despite originally being known as North American Braille ASCII ...