05-07-2018 дата публикации
Номер: US20180190151A1
Принадлежит:
The present invention relates to a display module for visually impaired persons, a display system for visually impaired persons, and a control method therefor, and more specifically, provides a display module for visually impaired persons, a display system for visually impaired persons, and a control method therefor, the display module for visually impaired persons providing information such as Braille, figures and images by using a plurality of protrusions which moves up and down so that a visually impaired person may obtain information through hand sensation. 1. A display module for visually impaired persons , the display module comprising:{'b': 100', '101, 'a display unit () in which a plurality of through holes () is formed in a predetermined array;'}{'b': 200', '101', '210', '101', '200, 'an upper block () provided below each through hole () and vertically moving whereby an upper protrusion () thereof upwardly protrudes above the through hole () when the upper block () upwardly moves;'}{'b': 300', '200, 'an upper support block () fixing the upper block ();'}{'b': 400', '200', '200', '400, 'a lower block () provided below each upper block (), vertically moving, and upwardly pushing the upper block () when the lower block () upwardly moves;'}{'b': 500', '400', '400, 'an elastic unit () provided below each lower block () and providing force to upwardly push the lower block (); and'}{'b': 600', '400, 'a lower adjustment unit () adjusting the lower block () not to protrude up to a predetermined height,'}wherein{'b': '300', 'the upper support block () fixes the upper blocks in a row or column unit,'}{'b': 600', '400, 'and the lower adjustment unit () controls the lower blocks () not to protrude up to the predetermined height in a column or row unit.'}2200. The display module of claim 1 , wherein the upper block () includes:{'b': 220', '210', '101', '101, 'a movement shaft portion () formed to extend from a lower part of the upper protrusion (), to have a form ...
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