JPH082741Y2 - Blind keyboard and keyboard blind attachment - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a blind person's keyboard for inputting to a personal computer by means of Braille input keys and an attachment for the blind person.

[0002]

2. Description of the Related Art Normally, when a blind person uses a personal computer, standard normal characters (ink characters) such as JIS standards are used.
SDF and JKL of alphabet in input character key
6 character keys for ink characters are designated in a horizontal row.

[0003]

Thus, the key position is confirmed by detecting F and J at the home position by hand or by sticking an adhesive tape having a convex portion to the home position. Therefore, it is not easy to operate these specific keys among a large number of character keys, and there is a problem that an erroneous input is likely to occur especially for a person who is not familiar with English type.

Therefore, an object of the present invention is to provide a blind keyboard for a personal computer in which only the Braille input keys are arranged in the character key arrangement part by modifying a normal keyboard of the personal computer.
Another object is to provide a blind attachment of a keyboard for use with a normal personal computer keyboard for the blind.

[0005]

A keyboard for a blind person of a personal computer according to the present invention is elastic so as to be able to return to its original position at each array position of a character key group for normal character input surrounded by operation key groups. In a keyboard of a personal computer, in which projections to be presented are provided, and the back surfaces of the key tops belonging to the projections can be engaged with each other, the projections at a specific position corresponding to at least one dot in Braille according to claim 1, With a cover plate that is formed with a cutout part that engages the Braille input key tops with a surface area that is wider than the key tops so that they approach the vertically adjacent protrusions, and projects these Braille input key tops. Covering a group of protrusions other than a specific position, or above the number of protrusions at a specific position corresponding to at least one dot in Braille according to claim 3. The projections are covered by a notched cover plate, and Braille input key tops that press the associated projections downward are attached to the cutouts via elastic bodies so that they can be returned to their original positions. The key tops are engaged as Braille input key tops with the projections at the specific positions corresponding to the dots of one square of Braille, and the projections other than the specific positions are formed by the cover plate formed with the cutout portions for protruding these key tops. Cover the flock.

The attachment for a blind person of the keyboard according to the present invention is provided with elastic protrusions capable of returning to the original position at each array position of the character key group for inputting normal characters surrounded by the operation key group. An attachment for a blind person of a keyboard of a personal computer, wherein the back surfaces of key tops belonging to the protrusions can be engaged with each other, the attachment for the blind person according to claim 2 corresponding to at least one dot of Braille. A set of Braille input key tops that are engaged with the projections at a specific number of positions, and is detachably attached to the base surface around the projections so as to cover the projections with which the key tops are disengaged. The key top for braille input is formed with a cover plate cut out so as to protrude from the surface, or the protrusion with the key top disengaged according to claim 4. The projections belonging to the projections are detachably attached to the base surface around the projections so as to cover the projections, and the projections belonging to the projections are formed above the projections at a specific position corresponding to at least one dot in Braille. The Braille input key tops that are pressed downward are configured as cover plates that are respectively mounted via elastic bodies so as to be capable of returning to the original position, or according to claim 6, at least a certain number of keys at a specific position corresponding to one dot of Braille. The top is notched as a key top for Braille input so that it protrudes from the surface, and the key tops other than the specific positions are detachably attached to the base surface around the projections so as to cover the disengaged projections. It is configured as a cover plate.

[0007]

In the first, third and fifth aspects of the present invention, the Braille is input to the personal computer by operating the Braille input key top corresponding to the dot of one square of the Braille. The surrounding of the Braille input key top is covered with the cover plate, so that the keys of normal characters that are not used cannot be operated.

In the second, fourth and sixth aspects, when the keyboard of the ordinary personal computer is used for a blind person, the unused key top is disengaged and the cover plate is attached. In the case of claim 2, a Braille input key top is also attached. As a result, it becomes possible to input Braille to the personal computer by operating the Braille input key top whose periphery is covered. By removing the cover plate and attaching the key top, it can be restored to a normal keyboard.

[0009]

1 to 3 show a keyboard for a blind person of a personal computer according to a first embodiment of the present invention. 1
Is a normal keyboard in which operation keys are arranged around the character keys, for example, ASkeyboard de
It is a keyboard for the blind, which was constructed by partially modifying the SE series. Reference numeral 2 denotes a Braille input key top corresponding to 6 dots of 1 square of Braille, and S, D, F, J in the character keys of normal characters (for ink characters) for alphabets such as JIS standards, kana, numbers and symbols. , K, L. As shown in FIGS. 2 and 3A, the character key group is a protrusion 5e on the back surface of each keytop 5 for normal characters.
Are respectively engaged with the grooves 5c of the projections 5b projectingly provided on the base portion 5a by the spring so as to be able to return to the original position. The Braille input key top 2 has, for example, a width of 1
The height is 8 mm, the vertical width is 27 mm so as to be adjacent to the vertically adjacent base 5a, and the height of the raised central portion is higher than that of the normal key top 5. Then, the similar protrusion formed on the back surface is engaged with the groove 5c of the protrusion 5b.

Reference numeral 3 is a cover plate for covering the projections 5b, which is formed in a shape corresponding to the arrangement surface of the character key group, and whose surface 3a has alphabets S, D, F.
In addition, two notch portions 2a are formed at the positions of J, K and L corresponding to the shapes of the three Braille input key tops 2. Further, as shown in FIG. 3B, a peripheral portion 3b whose periphery is bent is formed, and ribs 3c having a height corresponding to the peripheral portion 3b are appropriately arranged on the back surface of the front surface 3a. The cover plate 3 engages and disengages all the keytops 5 for normal characters, and also the projections 5b at the above-mentioned specific positions.
The Braille input key top 2 is engaged with and the lower edge of the peripheral portion 3b and the rib 3c is attached to the base surface 5d around the character key group. That is, the peripheral portion 3b is adhered to the base surface 5d at the boundary with the peripheral operation key group.

As a result, when inputting Braille, it is possible to operate with a key having a shape larger than a normal character key, and since the surrounding normal character keys are covered, it is easy to search and there is no erroneous operation. .

The braille input key top 2 and the cover plate 3 are replaced by the braille input key top 2 instead of being manufactured as a keyboard exclusively for the blind by attaching or detaching the braille input key top 2 and the cover plate 3 fixedly in the manufacturing process. The base plate 5a can be detachably attached by the groove engagement as described above, and the cover plate 3 can be detachably attached to the arrangement surface of the character key group by engaging and disengaging the ordinary key tops 5 as described above. As a result, a set of six Braille input key tops 2 and cover plates 3 can be used as an attachment for the blind of a personal computer keyboard.

FIG. 4 shows a blind keyboard according to a second embodiment. The protrusion 5b for a normal character has a cover plate 3 having the same structure as the cover plate 3 described above except for the cutout portion.
Braille input key top 20 which is covered by No. 1 and whose width and height are equivalent to the above-mentioned braille input key top 2.
However, they are adhered to the square-shaped elastic bodies 22 adhered around the notch portions 21 formed in the cover plate 31 without engaging with the base portion 5a. Further, a protrusion 23 is provided at the center of the back surface of the Braille input key top 20, occupies a position close to the lower protrusion 5b to which it belongs when not operated, and pushes the protrusion 5b downward when an input operation is performed.

The cover plate 31 with the Braille input keys can be attached to and detached from the ordinary key tops 5 and can be attached to and detached from the arrangement surface of the character key group by the above-mentioned adhesive or the like. It can also be an attachment.

FIG. 5 shows a third embodiment of the keyboard for the blind of the personal computer of the present invention. The keytop 5 is engaged with at least six protrusions 5b corresponding to dots of one square in Braille in the group of protrusions for keytops for normal characters, and the above-mentioned cover is provided except for the notched portions for these keytops. Cover plate 32 having the same structure as the plate 3
However, the lower edges of the peripheral portion 3b and the rib 3c are adhered to the base surface 5d around the character key group. As a result, the cover plate 32 occupies the lower position so as to project the six key tops 5 and covers the protrusions 5b other than the specific positions. As a result, 6
An input operation can be performed using the individual key tops 5.

Such a notched cover plate 32 for key tops is detachable from the ordinary key tops 5 and is attachable to and detachable from the arrangement surface of the character key group by the above-mentioned adhesive or the like, so that the attachment for the blind is provided. You can also

[0017]

According to the first, third and fifth aspects of the present invention, a braille keyboard of the Braille input key type is provided by a simple modification of the ordinary keyboard of the personal computer only by changing the key top and additionally attaching the cover. It becomes feasible. Since the original key tops around the Braille input key are covered, there are few erroneous operations and the input operation becomes easy. It is also ideal for practicing blind people who are not familiar with English type. It is easily manufactured for the blind with a simple modification of the normal keyboard manufacturing process.

Particularly, according to claim 1, the surface area of the key top is increased, and the input operation is further facilitated. Claim 3
According to this, in the manufacturing process, it is only necessary to attach the cover plate with the Braille input key in place of the usual attachment of the key top. According to the fifth aspect, it can be changed for the blind person only by disengaging the unnecessary key top and attaching the cover plate.

According to the inventions of claims 2, 4 and 6, an attachment for a blind person that can be diverted for a blind person can be realized, and it can be easily restored to a normal keyboard.

[Brief description of drawings]

FIG. 1 is a perspective view of a keyboard for a blind person of a personal computer according to a first embodiment of the present invention.

FIG. 2 is a partial perspective view showing the internal structure of the keyboard.

FIG. 3 is a diagram showing a detailed structure of the keyboard.
Is a side view of the Braille key, and FIG. 7B is a partial perspective view of the cover plate.

FIG. 4 is a cross-sectional view of a keytop of a blind keyboard according to a second embodiment of the present invention.

FIG. 5 is a perspective view of a cover plate portion of a keyboard for a blind person according to a third embodiment of the present invention.

[Explanation of symbols]

 1 Keyboard for the Blind 2,20 Braille input key tops 2a, 21 Cutout parts 3, 31, 32 Cover plate 5 Key tops 5b, 5e Protrusion 5d Base surface 22 Elastic body

Claims (6)

[Scope of utility model registration request] 1. A back surface of a key top belonging to each projection is provided with an elastic projection capable of returning to the original position at each array position of a character key group for inputting a normal character surrounded by operation keys. In a keyboard of a personal computer that can be engaged with each other, at least a certain number of the protrusions at a specific position corresponding to one dot of Braille are longer than the key tops so as to approach the protrusions vertically adjacent to each other. Is engaged with Braille input key tops having an enlarged surface area, and the projection group other than the specific position is covered by a cover plate formed with a cutout portion for protruding these Braille input key tops. A keyboard for the blind of a personal computer. 2. A back surface of a key top belonging to each projection is provided with an elastic projection capable of returning to the original position at each array position of a character key group for inputting a normal character surrounded by operation keys. Are attachments for a blind person to use the respective engageable personal computer keyboards for the blind person, wherein the attachments are provided at a specific position corresponding to at least one dot of Braille. A set of Braille input key tops and the Braille input key tops are detachably attached to the base surface around the projections so as to cover the projections on which the key tops are disengaged. An attachment for a blind for a personal computer keyboard, characterized by comprising a cover plate cut out so as to protrude from the surface. 3. A back surface of a key top belonging to each projection is provided with an elastic projection capable of returning to the original position at each array position of a character key group for inputting a normal character surrounded by operation keys. In a keyboard of a personal computer in which each of the projections can be engaged, at least the projections at specific positions corresponding to the dots of one braille dot are notched to cover the projection group with a cover plate, A keyboard for a blind person of a personal computer, characterized in that key tops for inputting Braille for pressing the associated projections downward are attached to each other via elastic members so as to be capable of returning to the original position. 4. A back surface of a key top belonging to each projection is provided with an elastic projection capable of returning to the original position at each array position of a character key group for inputting a normal character surrounded by operation keys. An attachment for a blind person of a keyboard for using a keyboard of a personal computer capable of engaging with each other as a blind person, wherein the key tops surround the projection group so as to cover the projection group disengaged. Braille input key that is detachably attached to the base surface of the above and presses the associated projection downward in the notch formed above the projection at a specific position corresponding to at least one dot of Braille. Attachment for the blind of a keyboard, characterized in that the top is configured as a cover plate that is attached via elastic bodies so that it can return to its original position. 5. A back surface of a key top belonging to each projection is provided with an elastic projection capable of returning to the original position at each array position of a character key group for inputting a normal character surrounded by operation keys. In a keyboard of a personal computer in which the key tops can be engaged with each other, the key tops are engaged as the Braille input key tops with the projections at the specific positions corresponding to the number of dots in the Braille. A keyboard for a blind person of a personal computer, characterized in that the projection group other than the specific position is covered with a cover plate having a cutout portion to be projected. 6. A back surface of a key top belonging to each protrusion is provided with an elastic protrusion capable of returning to the original position at each array position of a character key group for inputting a normal character surrounded by operation keys. An attachment for a blind person for using a personal computer keyboard which can be engaged with each other for the blind person, wherein at least a certain number of the key tops corresponding to one dot of the braille are used for braille input. The key top is notched so as to protrude from the surface, and is detachably attached to the base surface around the projection group so as to cover the projection group in which the key tops other than the specific position are engaged and disengaged. Keyboard attachment for the blind, characterized as a cover plate.