RU27252U1 - KEYBOARD FOR BRAIL SYSTEM CHARACTERS - Google Patents

Abstract

Keyboard for Braille typing, having a base and six keys for typing, characterized in that the keyboard is divided into two structurally independent and spatially separated parts, the left part and the right part, each of which is a standard manual manipulator such as a three-button computer mouse .

Description

Braille Keyboard

The utility model relates to the field of technical equipment, in particular to keyboards for typing characters in the Braille system.

The proposed keyboard can be used as a multifunctional computer keyboard for entering characters in Braille code, disk operating system donos (DOS or Windows), as well as entering text editor commands and other application software.

A known typewriter is Braille 1, which includes a keyboard consisting of keys mounted on levers that have an optimal punch-to-shoulder ratio, with symbolic keys having a concave surface that repeats the shape of the phalanges of the fingertips, index, middle and nameless.

A disadvantage of the known device is the low speed of inputting information and increased fatigue, due to the need to move the keys, requiring quite large muscle efforts when you press a key, which leads to a decrease in performance when an operator (a person with visual impairments) is working.

Known electronic keyboard for typing in Braille 2, selected as the closest analogue, containing a rectangular base and six keys for typing (prototype).

The disadvantage of the closest analogue is the high complexity due to the use of a special keyboard for input

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characters to the braille system, as well as limited keyboard functionality.

The purpose of the utility model is to simplify the keyboard through the use of two standard manual manipulators such as a three-button computer mouse and expand the functionality of the keyboard due to the ability to enter additional characters and control commands.

This goal is achieved in that the keyboard for typing in Braille has a base and six keys for typing. What is new is that the keyboard is divided into two structurally independent and spatially separated parts: the left part and the right part, each of which is a standard manual manipulator such as a three-button computer mouse.

The proposed utility model is presented in the drawing.

The keyboard for typing characters in the Braille system contains two structurally separated and spatially independent parts: the left part 1 and the right part 2, each of which is a standard manual manipulator such as a computer mouse. Each manipulator contains three buttons and in total there is a set of six buttons 3.

As manual manipulators, for example, two three-button Genius computer mice can be used. Manual manipulators are connected to the computer via two serial ports (COM1 and COM2). Through these ports, information about the state of the buttons of each mouse and the movement of the mouse is transmitted by the mouse controller to the computer. Processing events from manipulators: pressing the mouse buttons or moving it is carried out in a computer with special software (special mouse driver).

Work on the keyboard as follows. The keyboard consists of two independent manual manipulators, which allows you to choose their convenient location on the rug (or rugs), taking into account the individual characteristics of the operator. Before working on the keyboard, the operator places the brushes of the right hand and left hand on the surface of the manual manipulators. The palms of the right and left hands, except for the little fingers and large, are located above the buttons of the manipulators. Thumbs and little fingers of the right and left hands cover the manipulators from the sides, which allows you to move them along the mat in the desired direction.

Entering an alphanumeric character is performed in the following order. Each character in the braille code corresponds to simultaneously pressing a certain combination of manipulator buttons from a set of buttons 3. The selected combination of activated buttons is remembered. The depressed state of all buttons corresponds to the pause between entering characters in the braille code. After pressing any combination of buttons, the flags corresponding to the pressed buttons are raised. Pemeiffle about entering a symbol into a computer in the form of a signal is performed according to the last pressed button, preceding a pause, from a combination of buttons corresponding to this symbol. Then, in the pause between entering characters, the flags of the pressed buttons are reset and the computer is ready to receive the following characters.

Each button in button set 3 corresponds to one character element in the braille code. So for the character set "a by Braille -. just activate one button from the set

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BUTTONS 3. To set the character “b using the Braille system, two buttons must be activated.

In addition to entering characters in the Braille code, the proposed keyboard can significantly increase the number of different characters and commands that can be entered.

For this, certain movements of the manual manipulator on the mat or movements of the manipulator are used in combination with pressing a certain combination of buttons from a set of buttons 3. In addition, double clicks of the manipulator buttons (double click) can be used to enter additional commands.

Operation “Space can be performed, for example, by moving the right or left hand manipulator up and returning down to its original position, so that the end position of the manipulator remains approximately unchanged (in the center of the mat).

In this case, it is believed that the manual manipulator moves in one of four directions: up, right, left or right, if the indicated movement z is more than an order of magnitude greater than the corresponding movement of the manipulator in the perpendicular direction V relative to the main direction of movement of the manipulator on the plane, i.e. z 10 v.

To enter the operating modes of the keyboard, “Lowercase or Uppercase and Alphabetical or Digital, respectively, use the left manipulator to move down - up, the right manipulator down - up, the left manipulator left - to the right, and the right manipulator left - to right.

Enter text editing commands, for example, the “Slaughter” command can be performed by double-clicking the right button of the left manipulator. This resets the previously typed error combination of the symbol elements (erasing), and the keyboard is ready to dial a new character.

In a similar way, the input of the commands of the operating file system and others is performed. For example, the command to write the file “Save” can be performed by double-clicking the left button of the right manipulator. At the same time, depending on the contents of the file address selected (or typed) by the operator, the file can be printed, written to a hard or flexible disk, sent by e-mail, etc.

The proposed keyboard consists of two standard manual manipulators such as a three-button computer mouse with special software, and no special hardware devices for data input are required. This reduces keyboard complexity. The proposed utility model allows to increase the number of input characters and commands, which expands the functionality of the keyboard compared to the closest analogue. The spatially independent arrangement of the operator’s hands, facilitating the orientation of the wrists and fingers reduces the tension on the hands, in particular the hands, allows the operator to take positions and make movements when working on the proposed keyboard with the optimal effect, that is, with the greatest accuracy, speed and with the least stress.

Used sources:

1. Certificate for utility model .f 11755, cl. 6 V 41 3/32, 11.16.99 Bull. No. 11.

2.APUVALINEKUVASTO 1997, Nakovammaisten Keskusliitto ry Apuvalinekeskus, S.21. Makelankatu 52 V, 00510 HELSINKI.

The authors:

A. D. Kukharev

G.I.Sokolova

V.V. L Svashennikov

Claims (1)

Keyboard for Braille typing, having a base and six keys for typing, characterized in that the keyboard is divided into two structurally independent and spatially separated parts, the left part and the right part, each of which is a standard manual manipulator such as a three-button computer mouse .