KR19990011142A - Computer keyboard - Google Patents

Abstract

Disclosed is a computer key board manufactured using an antimicrobial material to prevent contamination by bacteria and the like. The disclosed key board for a computer includes: a key frame on which a circuit board is installed, a plurality of key switches installed to protrude from an upper surface of the key frame, coupled to an upper portion of the key switch, and a user's finger contacts them. It is provided with a plurality of key-cap, and further provided with antibacterial means by the antimicrobial material. Here, the antimicrobial means is preferably at least one surface of at least one of the key cap and the key frame is made of an antimicrobial material. Therefore, the computer key board according to the present invention is kept in a clean state because the formatting of microorganisms or bacteria is suppressed, and bacterial infection through the user's hand is prevented.

Description

Key board for computer

The present invention relates to a computer key board, and more particularly to a computer key board manufactured by using an antimicrobial material to prevent contamination by bacteria and the like.

Personal computers are generally classified into desktop computers and portable computers. The portable computer is light in weight, small in volume, and can be easily carried, thereby providing a lot of conveniences that cannot be obtained in a general desktop type computer. I'm making it.

Such a computer includes a storage device for largely storing data, a central processing unit for performing arithmetic and logic processing according to an input command, an input device for inputting an arbitrary command, and a result processed according to the input command. An output device for outputting is provided.

1 is a perspective view showing the appearance of a general portable computer.

Referring to FIG. 1, a general portable computer includes a main body 110 in which a computer system which stores data and performs arithmetic and logic processing according to an input command, and a main command provided in the main body 110 are provided. Key-board 120, which is an input device, and an LCD device, which is installed to be open / closed on one side of the main body 110 and outputs the processed result according to the input command, on the screen. ) Is largely configured as a display unit 130 mounted thereon. The main body 110 includes a hard disk assembly 111 having a hard disk drive therein, a charging latch 112 that facilitates taking out a rechargeable battery, and a form of a personal computer memory card international association (PCMCIA) card. card slots 113 and the like are provided to separate cards according to the type). In a portable computer having such a configuration, a key board 120 which is an input device is provided on the upper portion of the main body 110.

2 is a perspective view showing the configuration of a general desktop computer.

Referring to FIG. 2, a typical desktop computer includes a main body 210 having a computer system embedded therein, a key board 120 which is a device for inputting arbitrary commands to the computer system of the main body 210, and the input. The monitor 130 is largely configured as a device for outputting the result processed according to the command. The main body 110 includes a main body frame 211 that forms an exterior thereof, a floppy disk driver 212 installed on one side of the main body frame 211, and a compact disc read only memory. ) A driver 213 and an operation button 214 for operating the computer system are provided. In the desktop computer having such a configuration, unlike the portable computer, the key board 220 as an input device is separated from the main body 210.

As described above, in a general computer, any one uses a key board as an input device, and the key board is generally made of ABS (Alkyl Benzene Sulfonate), which is a plastic material. However, the key board, which is an input device installed in a conventional computer, is exposed to the outside, and when a computer is used, most human hands are in contact with each other. Therefore, dust, foreign matter, and food waste on the user's hand are exposed. It is likely to be contaminated with organic materials. Accordingly, when the computer is used for a long time, bacteria or bacteria such as microorganisms, bacteria, and fungi inhabit the above-mentioned contaminated areas, and the user may be infected with the bacteria or germs through the user's hand. have. Therefore, maintaining the cleanliness of the key board, which is the area where the user's hand touches the most among computers, is one of the problems to be solved urgently in response to the change of consumer's perception due to the recent improvement of human life.

The present invention has been made to solve the conventional problems as described above, it is an object of the present invention to provide a computer keyboard using an antimicrobial material to prevent contamination by bacteria and the like to maintain a clean state.

1 is a perspective view showing the appearance of a typical portable computer,

2 is a perspective view showing the configuration of a typical desktop computer;

3 is an exploded perspective view showing the configuration of a key board for a portable computer according to the present invention;

4 is a cross-sectional view of the key board for the portable computer shown in FIG.

5 is an exploded perspective view showing the configuration of a key board for a desktop computer according to the present invention.

FIG. 6 is a cross-sectional view of the key board for the desktop computer shown in FIG. 5; FIG.

* Explanation of symbols for main parts of the drawings

110,210,310 ... Body 120,220,320,520 ... Key-board

130 Display unit 131 LCD

230 ... monitor 324,524 ... key-frame

325,525 ... key-switch 326,526 ... key-cap

521.Bottom case 522.Boss

523 ... engagement protrusion 527 ... top case

528 Key-cap insertion hole

In order to achieve the above object, a computer key board according to the present invention is:

A key-frame on which a circuit board is installed, a plurality of key-switches installed to protrude from the upper surface of the key-frame, and a plurality of key-caps coupled to an upper portion of the key-switch to be contacted by a user's finger. A computer key board provided;

It is characterized by further comprising an antimicrobial means by an antimicrobial material.

Here, the antimicrobial means is preferably at least one surface of at least one of the key cap and the key frame is made of the antimicrobial material.

If the key board is a key board for a desktop computer, the key board further includes a lower case and an upper case in which the key frame is installed, and at least one of the lower case and the lower case. It is preferable that at least the surface of is made of the antimicrobial material.

Therefore, the habitat of bacteria or bacteria such as microorganisms or bacterial fungi is suppressed and the clean state of the key board is maintained.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

3 is an exploded perspective view showing the configuration of a key board for a portable computer according to the present invention, Figure 4 is a cross-sectional view of the key board for a portable computer shown in FIG.

3 and 4 together, the key board 320 for a portable computer according to the present invention is installed above the main body 310 of the portable computer. The key board 320 includes a key frame 324, a key switch 325, and a key cap 326.

The key-frame 324 is installed above the main body 310, and a circuit board is installed below the key-frame 324. The key-frame 324 is formed with a plurality of holes, through which the key-switch 325 is installed so as to protrude on the upper surface of the key-frame 324. In addition, a key cap 326 is coupled to an upper portion of the key switch 325, and letters or numbers are printed on the upper surface of the key cap 326. In the portable computer key board 320 having such a configuration, when a user presses the key cap 326 with a finger, the lower end of the key switch 325 is lower than the key frame 324. Pressing a contact on a circuit board provided in the desired signal is input to the computer system embedded in the main body (310).

Herein, a feature of the present invention is that the key-cap 326 and / or the key-frame 324, which are the areas of human hand contact when using a computer, are made of an antimicrobial material. The key-cap 326 or the key-frame 324 may be made of an antimicrobial material as a whole, and in order to reduce the amount of the antimicrobial plastic material, which is expensive compared to the general plastic material, the key-cap 326 or the key It is preferable to coat only the surface of the frame 324.

As the antimicrobial material, a mixture of antimicrobial materials is used in ABS, which is a plastic material generally used. As such an antimicrobial material, BR-0765 or AB-0160, which is an antimicrobial plastic material of Cheil Industries, is preferably used.

The antimicrobial test results of the antimicrobial plastic material BR-0765 are shown in Table 1, and the test method is a method of measuring the bactericidal rate after culturing the test bacteria at 25 ° C. for 24 hours (150 times / min shaking). The test was conducted at Korea Yarn Textile Testing Institute.

Used strain ATCC 15442 ATCC 0538 ATCC 25922 Reduction rate 95.2% 99.9% 97.2%

When the antimicrobial plastic material BR-0765 is used as described above, a reduction ratio of about 95% or more can be obtained.

In addition, the mold resistance test results of the antimicrobial plastic material AB-0160 are shown in Table 2, and the test was performed at the Korea Chemical Testing Laboratory by the method specified in JIS Z 2911-81 and IEC 68-2-10-84. All.

Elapsed time test method 1 week 2 weeks 3 weeks 4 weeks JIS 3 3 3 3 IEC 0 0 0 0

Marking 3 in the table means that the development of hyphae is not recognized in the inoculated portion of the test piece, 0 indicates that the development of hyphae is not recognized at 50 times magnification observation. Therefore, it can be seen that the development of mycelia is not recognized when the antimicrobial plastic material AB-0160 is used.

As such, when the key board 320 and the key cap 326 made of the antimicrobial material are used in the key board 320 for the portable computer, the microorganism, the bacteria, the fungus, such as the mold, and the like, the key- It is possible to maintain the clean state of the board 320, thereby preventing the user from being infected with the bacteria or bacteria.

5 is an exploded perspective view showing the configuration of a key board for a desktop computer according to the present invention, and FIG. 6 is a cross-sectional view of the key board for the desktop computer shown in FIG.

5 and 6 together, the key board 520 for the desktop computer according to the present invention includes a case (521, 527), a key-frame 524, a key-switch 525, a key-cap 526.

The cases 521 and 527 are separated into a lower case 521 and an upper case 527. A plurality of bosses 522 supporting the key-frame 524 upwardly protrude from the upper surface of the lower case 521, and coupling protrusions 523 fitted to the upper case 527 are provided at both edges thereof. Formed.

The key-frame 524 is formed with a plurality of holes, through which the key-switch 525 is installed so as to protrude on the upper surface of the key-frame 524, the lower portion of the key-frame 524 The circuit board is installed. The key cap 526 is coupled to an upper portion of the key switch 525, and letters or numbers are printed on the upper surface of the key cap 526. In this way, the key-frame 524 is installed in the lower case 521 while the key-switch 525 and the key-cap 526 are coupled, and the upper case 527 is coupled to the upper portion. Key-cap insertion hole 528 is formed in the upper case 527, the key-cap 526 protrudes through it. Also in the desktop computer key board 520 having such a configuration, the operation is the same as that of the above-described portable computer key board (320 in FIG. 3).

Herein, a feature of the present invention is that the key-cap 526, which is the portion of human hand contact most when using a computer, is made of an antimicrobial material. As the antimicrobial material, a mixture of antimicrobial materials is used in ABS, which is a plastic material that is generally used. Preferably, the antimicrobial plastic material BR-0765 or AB-0160 of Cheil Industries is used as described above.

In addition, the key-frame 524 and / or the upper and lower cases 521 and 526 are preferably made of an antimicrobial material. The antimicrobial material maintains the clean state of the key board 520 because it suppresses the growth of bacteria or bacteria.

The key cap 526, the key frame 524 or the entire upper and lower cases (521, 526) may be made of an antimicrobial material, and in order to reduce the amount of the antimicrobial plastic material is expensive compared to the general plastic material It is preferable to coat only the surface of the key cap 526, the key frame 524 or the upper and lower cases 521 and 526.

Since the computer key board according to the present invention having the configuration as described above is made of an antimicrobial material, the state of cleanliness of the key board is maintained by suppressing the culture of bacteria or bacteria such as microorganisms, bacteria, molds, etc. Bacterial infection is prevented.

Claims (5)

A key-frame on which a circuit board is installed, a plurality of key-switches installed to protrude from the upper surface of the key-frame, and a plurality of key-caps coupled to an upper portion of the key-switch to be contacted by a user's finger. A computer key board provided; Key board for a computer, characterized in that it further comprises an antimicrobial means by an antimicrobial material. The method of claim 1, And the antimicrobial means is at least one surface of at least one of the key cap and the key frame made of the antimicrobial material. The method according to claim 1 or 2, When the key board is a key board for a desktop computer, the key board further includes a lower case and an upper case in which the key frame is installed, and at least one of the lower case and the lower case. A computer key board, characterized in that the surface is made of the antimicrobial material. The method of claim 1, The antimicrobial material is a key board for a computer, characterized in that BR-0765 of antimicrobial plastic material of Cheil Industries. The method of claim 1, The antimicrobial material is a computer key-board, characterized in that the antibacterial plastic material AB-0160 of Cheil Industries.