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Keyboard structure

A keyboard and key top technology, which is applied in the field of keyboard structure with lighting function, can solve the problems of key top protruding, uneven lighting, thick fitting part, etc., and achieve the effect of preventing light leakage and uniform lighting state

Active Publication Date: 2011-07-06
JIANGSU TRANSIMAGE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the keyboard structure disclosed in the above-mentioned document 1, during operation, the operator's fingernail may sometimes be inserted between the key top and the adjacent key top, and when the inserted fingernail is pulled out, the fingernail may come into contact with the key. The top hook cuts off the key top
In addition, the keyboard structure of Document 1 is as follows: a cylindrical fitting part is formed on the back of the key top, and the movable plate is connected to the fitting part, but the thickness of the fitting part is relatively thick, so it has a lighting function. Illumination may become uneven in the case of
In addition, in the keyboard structure described in Document 2, light is illuminated from the entire back panel, so there is a problem that light leaks from between the key tops and the key tops.

Method used

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Examples

Experimental program
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Effect test

Embodiment 2

[0052] The key pressing operation of the second embodiment is the same as the operation of the above-mentioned first embodiment, so the description thereof will be omitted. Here, the lighting operation in Example 2 will be described. exist Figure 10 In this case, when the LED 218b is turned on by a power source not shown, the light emitted from the LED 218b passes through the inside of the back plate 217 having a light guiding function. A reflective sheet 219 is provided under the LED 218b, so that the light emitted from the LED 218b does not leak downward, but is reflected by the reflective sheet 219 and passes through the inside of the back plate 217 . Furthermore, since the LED sheet 218 or the diaphragm 216 has a reflective function on the upper part of the back plate 217 , the light emitted from the LED 218 b passes through the inside of the back plate 217 without leaking upward. The light is reflected by the reflective portion 217 b provided at a position correspondin...

Embodiment 3

[0059] The assembly operation and lighting operation in Example 3 are the same as those in the first embodiment. According to Embodiment 3, in addition to the effect of Embodiment 1 above, by providing a boss portion 317d on the back plate 317 having a light guiding function, the welded front end portion of the welding pin 315a of the bracket 315 is inserted into the boss. Therefore, the welded portion does not protrude downward of the back plate 317 . Since it is not necessary to provide holes in the LED sheet 318, waterproofness can also be ensured.

[0060] Next, Example 4 of the present invention will be described. Figure 14 It is an exploded perspective view showing the keyboard structure of Embodiment 4, Figure 15 It is a sectional view showing the structure of the keyboard of the fourth embodiment. exist Figure 14 , Figure 15 In the key switch 400 of Embodiment 4, the key top 420, the sheet-shaped elastic part 421, the movable plate 411, the first link part 412...

Embodiment 4

[0063] The assembly operation and lighting operation in Example 4 are the same as in Example 2. According to Embodiment 4, in addition to the effects of Embodiment 2 described above, by providing the boss portion 417d on the back plate 417, the welded front end portion of the welding pin 415a is inserted into the inside of the boss portion 417d, thereby welding The bottom part will not protrude to the bottom of the back plate 417. Since it is not necessary to provide holes in the reflection sheet 419, waterproofness can also be ensured.

[0064] The present invention is not limited to the above-described embodiments, and various modifications can be made. For example, in the above-mentioned Embodiment 2 and Embodiment 4, the LED chips 218, 418 are disposed under the diaphragms 216, 416, but the diaphragm 216 may be disposed under the LED chips 218, 418 conversely. , 416 structures. At this time, holes in which LEDs are embedded are provided in the diaphragms 216 and 416 . ...

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PUM

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Abstract

Provided is a keyboard structure, wherein the nails of operators are prevented from getting in between keytops, a uniform lighting state is achieved, and no lighting leaks will be present. The keytop (120) is composed by integrally forming a keytop body section (120a) with an upper sheet (120b), and a flange section (120d) is formed by having the upper sheet (120b) protruded from the keytop body section (120a), towards the outer circumference direction. A frame (122) is provided in a prescribed arrangement in between adjacent keytops (120), and the gaps are plugged with the flange section (120d) of the upper sheet (120b) and a flange section (122a) of the frame (122).

Description

technical field [0001] The present invention relates to the structure of a keyboard used as an input device in information processing equipment, measuring equipment, medical equipment, etc., and particularly relates to a keyboard structure with lighting function. Background technique [0002] As a conventional keyboard structure, there is, for example, a keyboard structure disclosed in Japanese Patent Application Laid-Open No. 2008-293922 (Document 1). The keyboard structure disclosed in this document 1 is as follows: it has a waterproof function, and a movable plate movable with the key top (key top) is arranged at the bottom of the keycap (keycap), and a movable plate is arranged between the key top and the movable plate. Equipped with sheet elastic parts. In addition, a link mechanism portion composed of two link members, a cup-shaped member, a diaphragm, and a back plate are disposed on the lower portion of the movable plate. By covering the link mechanism part with th...

Claims

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Application Information

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IPC IPC(8): H01H13/702H01H13/02
CPCH01H2215/004H01H2233/03H01H2219/062H01H2223/034H01H2239/038H01H2223/003H01H2219/06H01H2219/03H01H13/86H01H2229/026H01H2221/002H01H13/705H01H2221/07H01H3/125H01H13/83
Inventor 山田茂
Owner JIANGSU TRANSIMAGE TECH CO LTD
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