Many problems are caused by the dimensional tolerances of the individual Braille cells.
Later, his injured eye got infected.
Still further, a raised bearing can be refreshed or repositioned back to a lower bearing well by allowing the bearing to drop back to a lower portion under the force of gravity.
The commands the user may wish to send to the reader can include those which are typical of an electronic book reader move forward, move back, bookmark, dictionary and the like , and commands which are specific to the motion-based Braille reader of this invention.
Cams for making the embossing dies move forward are disposed at both end positions of a line of characters below each of the embossing dies which are held at embossing positions in such a manner as to be movable forward or backward.
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