Abstract: The present invention relates to a braille editing method using an error output function, a recording medium storing program for executing the same, and a computer program stored in a recoding medium for executing the same. More particularly, the present invention relates to a braille editing method using an error output function, a recording medium storing program for executing the same, and a computer program stored in a recoding medium for executing the same, that are capable of finding a location where a braille translation error has occurred by utilizing index information when detecting the error and thus facilitating correction.

Abstract: The present invention relates to a display module for visually impaired persons. More specifically, the present invention provides a display module for visually impaired persons which provides information such as braille, figures and images by using a plurality of protrusions which vertically moves so that a visually impaired person may obtain information through hand sensation.

Abstract: [Problem] The present invention aims to provide, without an increase in cost, a directional indication structure for threaded bodies that enables the visual and tactile distinction between left-hand thread and right-hand thread threaded bodies, enables the identification, from the external appearance and the external surface, of which direction a threaded body should be rotated in order to be tightened or loosened, enables mass production and the like, has a good external appearance, and has form properties that do not impinge the properties inherent in the threaded body or the strength, etc.