CN104049765A

CN104049765A - Computer keyboard either for blind person or ordinary person

Info

Publication number: CN104049765A
Application number: CN201410292412.7A
Authority: CN
Inventors: 朱蕾
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-06-26
Filing date: 2014-06-26
Publication date: 2014-09-17

Abstract

A computer keyboard either for a blind person or an ordinary person is characterized by being composed of a keyboard body, low-position keys (A, F and J), ordinary keys, mark keys (2, 4, 6, 8, 0, B and 1t), high-position keys (Esc, F4, F8 and F12), a toggle switch, a loudspeaker, a circuit, a data line and a USB plug; the layout of key positions is the same as that of an existing keyboard in common use, the circuit is located inside the keyboard, the low-position keys are lower than the peripheral ordinary keys, convex transverse lines are arranged on the mark keys, convex cross grain is arranged on a space key, the USB plug is connected to the circuit through the data line, the toggle switch is provided with three gears which are respectively the silent use gear, the audio use gear and the audio exercise gear. The blind person can learn computer fast with the keyboard, and the input efficiency of the blind person can be improved as high as that of the ordinary person.

Description

The computer keyboard that a kind of blind person and ordinary people are shared

Technical field

The present invention relates to a kind of computer keyboard, relate in particular to the shared computer keyboard of a kind of blind person and ordinary people.

Background technology

Development in science and technology is maked rapid progress, thousand, universal ten thousand family of computing machine, to human society, brought the development of advancing by leaps and bounds, facilitated the people to seek knowledge, met a lot of people's amusement, can be because existing keyboard is generally all used to ordinary people, for blind blind person, though there is the blind person who makes unremitting efforts to improve oneself individually also can use computor-keyboard through train hard, but the keyboard that ordinary people uses is not generally all for blind person does special design, make blind person's input efficiency all very low, if can design the shared computer keyboard of a kind of blind person and ordinary people, to friend blind person, be greatest help.

Summary of the invention

The present invention has designed a kind of blind person and the shared computer keyboard of ordinary people, on the basis of common computer keyboard, for convenience of blind person, some designs have been made, friend blind person also can be inputted fast, and can the skilled keyboard of friend blind person and design a button, make knocking of exercise keyboard that friend blind person can be relieved, and do not worry that maloperation causes computing machine to damage.

The present invention has following technology contents.

Technology contents 1: the computer keyboard that a kind of blind person and ordinary people are shared, is characterized in that: formed by body, low level key (A, F, J :), common key, mark key (2,4,6,8,0, B, <), high level key (Esc, F4, F8, F12), toggle switch, loudspeaker, circuit, data line, USB plug; The layout of key mapping is the same with existing conventional keyboard layout; Circuit is positioned at keyboard; The height of low level key, lower than being common key around, has protruding horizontal line on mark key; On space bar, there is protruding twill; USB plug is connected to circuit by data line; Toggle switch has three shelves, is respectively to mourn in silence to use shelves, sound use shelves, sound exercise shelves.

Technology contents 2: described low level key height is 1/3rd left and right of common key height.

Technology contents 3: the height of described high level key and the aspect ratio of common key are 4:3 left and right.

Technology contents 4: the length of described protruding horizontal line is 1/4th left and right of key surface width.

Technology contents 5: the protruding twill on described space bar, spacing distance is 10-20 millimeter, the best is 15 millimeters.

Technology contents explanation and beneficial effect thereof.

Technology contents explanation 1: as described in technology contents 1, described a kind of blind person and the shared computer keyboard of ordinary people, low level key has been mainly that the variation sense of strengthening in sense of touch makes blind person's finger find rapidly correspondence position, high level key, is function key, is that a lot of software all uses function key as shortcut, and it is distant from the main key mapping in when typewriting, and these high level key can be that blind person determines rapidly the key mapping of function key, mark key, it is character keys, mainly to find key mapping for assisting blind, the moving direction of finger while coordinating typewriting, can accelerate the searching of corresponding numerical value or character, protruding twill on space bar is to do a reference when hand being put on keyboard to blind person, accelerates blind person hand is put into the process on keyboard, has also prevented from pressing because of carelessness when blind person from finding key mapping key, toggle switch is divided into third gear, the loudspeaker while using shelves to open of mourning in silence can not send prompt tone, in order to avoid the prompt tone that loudspeaker send disturbs other people, sound use shelves are to use keyboard input for convenient not yet skilled blind person, sound exercise shelves are in order to allow blind person carry out keystroke exercise, when sound exercise shelves are opened, circuit is from USB power taking, but not to computer input character (can adopt and disconnect usb data transmission line or do not move in circuit and realize to the function of computer input character in Single Chip Microcomputer (SCM) program), with regard to not worrying maloperation, damage computing machine, now knock keyboard, loudspeaker are pointed out with regard to sending corresponding voice, during toggle switch gearshift, loudspeaker can be pointed out gear of living in.

Technology contents explanation 2: as described in technology contents 2, the height of low level key be around common key height 2/3rds, this difference in height blind person just can be easy to sensation out, but can not hinder the movement of finger.

Technology contents explanation 3: as described in technology contents 3, the height of high level key and common key aspect ratio are 4:3, the setting of this aspect ratio, when can be the rapid location of blind person, can not urge finger.

Technology contents explanation 4: the length of the protruding horizontal line as described in technology contents 4 is 1/4th left and right of key surface width, and this width is in order to strengthen sense of touch, if oversize or too short hand refer to all be difficult to sensation.

Technology contents explanation 5: the protruding twill as described in technology contents 5, spacing distance is 10-20 millimeter, and the best is 15 millimeters, and the setting of this distance is mainly for by strong sense of touch, when blind person's finger sweeps away searching reference bit on keyboard, be that this distance can be given blind person's strong impulse fluctuating sense.

Technology contents explanation 6: the circuit that the present invention adopts is mature technology, and the designer of this area can design easily in requirement according to the present invention, therefore repeat no more.

Novelty of the present invention is: created the shared computer keyboard of a kind of blind person and ordinary people, wherein the application on keyboard of low level key, high level key, mark key has outstanding novelty; The setting of three shelves, has novelty.

Practicality of the present invention is: use this keyboard, can allow blind person's learning computer fast, and it is the same with ordinary people to allow its input efficiency bring up to, so just can allow blind person and ordinary people work together, strengthen blind person's ability to work socially, there is very strong humanistic care meaning and social effect.

Accompanying drawing explanation

Fig. 1 is an embodiment schematic diagram of the present invention.Fig. 2 is the major part of the circuit that uses of Fig. 1 embodiment.

Embodiment

Below in conjunction with embodiment, the invention will be further described.

As shown in Figure 1, be a kind of blind person of the present invention and the shared computer keyboard of ordinary people, it is characterized in that: by body 1, low level key (A, F, J :), common key, mark key (2,4,6,8,0, B, <), high level key (Esc, F4, F8, F12), toggle switch 10, loudspeaker 11, circuit, data line 4, USB plug 5, formed; The layout of key mapping is the same with existing conventional keyboard layout; Circuit is positioned at keyboard body 1 inside; The height of low level key (A, F, J :) is lower than being common key around, and mark key has protruding horizontal line on (2,4,6,8,0, X, B, <); On space bar, there is protruding twill; USB plug 5 is connected on the circuit in body 1 by data line 4; Toggle switch 10 has three shelves, is respectively to mourn in silence to use shelves, sound use shelves, sound exercise shelves.

As shown in Figure 1, low level key (A, F, J :) is highly 1/3rd of common key height.

As shown in Figure 1, the height of high level key (Esc, F4, F8, F12) and the aspect ratio of common key are 4:3.

As shown in Figure 1, the length of space bar projection horizontal line is 1/4th of key surface width, and is positioned at key upper surface bottom.

As shown in Figure 1, the protruding twill on space bar, spacing distance is 15 millimeters.

As shown in Figure 1, in dotted line frame 2, be high level key and the common key height comparison diagram of this embodiment, reflected that high level key is higher than common key.

As shown in Figure 1, in dotted line frame 3, be low level key and the common key height comparison diagram of this embodiment, reflected that low level key is lower than common key.

As shown in Figure 1, circuit is positioned at body 1 inside, for view is clear, does not draw.

As shown in Figure 1, common key is a lot, except high level key, low level key, mark key, space bar, is common key.

As shown in Figure 1, in order to reduce false triggering, this embodiment has been exempted some access times key mapping seldom and has been repeated key mapping, reduces false triggering.

As shown in Figure 1, clear for view, does not draw the keypads such as keypad of upper keyboard in way

The model that is the partial circuit single-chip microcomputer U1 of Fig. 1 circuit that embodiment is used as Fig. 2 is PIC24FJ64GA010, and SW1 is toggle switch 10, and BUTTUN is in all buttons, for view, succinctly in order conveniently to understand Fig. 2, does not draw all buttons; LS1 is that loudspeaker 11 its dependence single-chip microcomputer U1 drive, and relies on Single Chip Microcomputer (SCM) program to send various sound (prior art); USB is USB interface, and single-chip microcomputer U1 passes through this interface from computer power taking; Although this circuit is not whole circuit, but the principle that realizes of embodiment has been described fully, owing to using the circuit of single-chip microcomputer must relate to coding, in order to facilitate the public's the special open partial code of the understanding of the present invention, this section of code suggestion illustrated the principle that realizes of major function of the present invention, enforcement the present invention that can be in the situation that not doing any creative brainwork with reference to this instructions and any one qualified single-chip microcomputer slip-stick artist of some known technologies; Open code is as follows:

If (key unequal to NULL) if // button is not empty

{ // toggle switch SW is in sound use shelves for if (RD0==0)

USB_put(key); The function of // operation " to computer input character "

Speak(key); // operation " voice message " function

}

{ // toggle switch SW is used shelves to if (RD1==0) in mourning in silence

USB_put(key); The function of // operation " to computer input character "

// do not move " voice message " function, prevent that the voice message that keyboard sends from bothering other people

}

{ // toggle switch SW is in sound exercise shelves for if (RD2==0)

// do not move the function of " to computer input character ", prevent that maloperation from causing computing machine to damage

Speak(key); // operation " voice message " function

}

}。

Claims

1. the shared computer keyboard of blind person and ordinary people, is characterized in that: body, low level key (A, F, J :), common key, mark key (2,4,6,8,0, B, <), high level key (Esc, F4, F8, F12), toggle switch, loudspeaker, circuit, data line, USB plug, consist of; The layout of key mapping is the same with existing conventional keyboard layout; Circuit is positioned at keyboard; The height of low level key, lower than being common key around, has protruding horizontal line on mark key; On space bar, there is protruding twill; USB plug is connected to circuit by data line; Toggle switch has three shelves, is respectively to mourn in silence to use shelves, sound use shelves, sound exercise shelves.

2. the shared computer keyboard of a kind of blind person as claimed in claim 1 and ordinary people, is characterized in that: described low level key height is 1/3rd of common key height.

3. the shared computer keyboard of a kind of blind person as claimed in claim 1 and ordinary people, is characterized in that: the height of described high level key and the aspect ratio of common key are 4:3 left and right.

4. the shared computer keyboard of a kind of blind person as claimed in claim 1 and ordinary people, is characterized in that: the length of described protruding horizontal line is 1/4th left and right of key surface width.

5. the shared computer keyboard of a kind of blind person as claimed in claim 1 and ordinary people, is characterized in that: the protruding twill on described space bar, and spacing distance is 10-20 millimeter, the best is 15 millimeters.