Blackboard writing and drawing for blind or visually impaired people.

摘要

Slate for the blind that facilitates writing, drawing and learning ways through relief elements positive, offering the possibility of being used again after use. While write and draw, you can verify what has been done and correct errors detected fingertip (4). This board has a graphic tool (3) in order to pick up, store and leave relief elements (1) of small size. These relief elements are deposited on a board (2) with a matrix of holes, forming letters and drawings. It has means to extract copies of the written and drawn. They are provided drawing tools or templates that can be adapted to pivot to the board matrix. After the activity, it has means for collecting the relief elements and store in the reservoir board or useful graph.