JPS6349785A - Braille display device - Google Patents

Abstract

(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a Braille display device that displays Braille characters, Braille numbers, and the like.

[Conventional technology]

FIG. 4 is a configuration diagram showing an example of a conventionally used Braille document. In Figure 4, 1 is a document, 2 is a document 1
Braille characters arranged on the paper. One Braille character consists of 3 vertical and 2 horizontal dots 21 arranged at regular intervals.
It is a collection of 26.

The dots are those with protrusions (black circles in the figure indicate those with protrusions; hereinafter referred to as "protrusions") and those without protrusions (white circles in the figure indicate those without protrusions; hereinafter referred to as "non-protrusions"). )
There is.

It is decided in advance that out of a total of six dots, a combination of areas with protrusions and areas without protrusions will represent a specific letter or number. The reader can read this Braille character 2
By pressing the pad of your finger directly onto the top, the meaning of the character is recognized according to the above convention. Hereafter, by moving the pad of your finger parallel to the right (arrow A) or downward (arrow B) over the document, the characters are recognized one after another, and by connecting these characters, you can create a series of documents or mathematical formulas. It is about understanding the meaning. When a sequence of letters changes to a number, or vice versa, a control character may be used to indicate that a letter or number begins before the actual letter.

[Problem that the invention seeks to solve]

In conventional Braille documents, in order to read the document, the presence or absence of protrusions cannot be recognized unless the user directly touches the paper surface with the pad of a finger and applies a certain amount of pressure. This pressure causes wear on the surface of the Braille document itself, which poses a problem in that its useful life is limited to some extent.

In addition, when creating documents, the protrusions are shaped one by one by hand, resulting in poor workability.

The present invention has been made in view of these points, and its purpose is that the protrusions of the dots that constitute Braille characters themselves are not fixed, and when there are identical dots, the protrusions are The object of the present invention is to obtain a Braille display device which sometimes becomes a non-protruding point portion, that is, a Braille display device whose Braille characters change at regular time intervals.

[Means for solving problems]

In order to achieve such an object, the present invention includes a display section for displaying Braille codes as Braille characters or Braille numbers, a driving section for driving this display section, a storage section for storing Braille codes, and a display section for displaying Braille codes as Braille characters or Braille numbers. an input section for selectively inputting braille codes, a timer section that determines the timing to sequentially switch braille codes at fixed time intervals, and an operation section that controls the operation of the drive section, storage section, input section, and timer section. Do C
A PU section is provided in the device.

[Effect]

In the present invention, the desired Braille characters and numbers, that is, the presence or absence of protrusions, are mechanically created by control signals given to the drive unit, and the Braille documents are displayed by changing the Braille characters and numbers at regular intervals. do.

〔Example〕

An embodiment of the Braille display device according to the present invention is shown in FIGS. 1 to 3.
This will be explained using figures. FIG. 1 is a system diagram showing the overall configuration of this device, FIG. 2 is a configuration diagram showing the configuration of a drive mechanism of this device, and FIG. 3 is a partial perspective view showing a display section constituting this device.

As shown in Figure 3 (al), the dots provided on the display section la for displaying Braille characters are arranged at regular intervals of 3 vertically and 2 horizontally, similar to the dots in Figure 4. and point part 21
A is a protruding point. When the point portion 21a is a non-protruding point portion, the protrusion descends as shown in FIG. 3(b). By successively moving up and down this protrusion, the Braille characters change, and a series of sentences or mathematical formulas is displayed by connecting these Braille characters.

In FIG. 2, a dotted portion 21a provided on the display portion la
The protrusion can be moved up and down by an electromagnet 3. Here, the material of the display section 1a is rubber, plastic, etc.
As the electromagnet 3 descends, the protrusion also disappears. The up and down movement of the electromagnet is commanded by a control signal a, and the drive section 4 to which the control signal a is input directly drives the electromagnet.

Next, the overall configuration of this device will be explained using FIG. 1. In FIG. 1, the human power unit 6 is used to select and input characters or numbers to be displayed as Braille codes, and the Braille codes of the selected characters or numbers are stored in the storage unit 5.

When displaying this Braille code as Braille characters or Braille numbers, the CPU unit 8 calls the Braille code stored in the storage unit 5, supplies the corresponding control signal a to the drive unit 4, and then outputs the control signal a. Electromagnet 3 given by a
is selectively driven to operate the display section 1a. The interval at which Braille characters are switched is determined by the clock signal output from the timer section 7.

〔Effect of the invention〕

As explained above, the present invention stores Braille codes electronically and displays Braille characters or numbers while sequentially reading them out, so there is no need to move the finger for reading, and the same code can be used over and over again. Since the content can be displayed repeatedly and there is no wear due to touching the document with fingers, it is possible to obtain a braille display device that can be used semi-permanently.

Furthermore, using a keyboard or voice input as the input section has the effect of shortening the input time.

[Brief explanation of drawings]

FIG. 1 is a system diagram showing an embodiment of the Braille display device according to the present invention, FIG. 2 is a configuration diagram showing the drive mechanism of the device in FIG. 1, and FIG. 3 is a display configuring the device in FIG. 1. FIG. 4 is a block diagram showing an example of a conventional Braille document. 1a...Display section, 4...Drive section, 5...Storage section,
6... Input section, 7... Timer section, 8... CPU section.

Claims (1)

[Claims] A display unit for displaying Braille codes as Braille characters or Braille numbers, a driving unit for driving this display unit, a storage unit for storing Braille codes, and an input unit for selectively inputting a desired Braille code; a timer section that determines the timing to sequentially switch braille codes at regular time intervals; and a braille character or braille number that controls the operation of the drive section, storage section, input section, and timer section and corresponds to the braille code input to the input section. A Braille display device comprising: a CPU section that performs calculations for displaying on a display section.