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Waterproof keyboard

a keyboard and water-proof technology, applied in emergency protective devices, instruments, computing, etc., can solve problems such as poor contact, circuit board damage, and affecting precision

Active Publication Date: 2018-06-28
PRIMAX ELECTRONICS LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0008]a shell, an opening portion being formed on an upper surface of the shell, and a slot being formed on a lateral surface of the shell, wherein the shell passes through the compressive waterproof layer and the plate structure, and the compressive waterproof layer and the plate structure are clamped by the slot, to enable the shell to be sealed with the compressive waterproof layer; and

Problems solved by technology

However, due to the tolerance of and the materials used in a manufacturing process for each key 93 and the keypad 91, it is easy for dusts / liquids to float into / penetrate into gaps (positions of the through-holes) between the key 93 and the keypad 91, and then stay above the circuit board 92, which may seriously interfere a circuit / light-path of the key 93, and generate signal misjudgement because of incapability of accurately transmitting a signal, thereby influencing the precision.
Furthermore, the dusts / liquids fall onto the circuit board 92, which may cause poor contact or even damage of the circuit board 92.

Method used

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Examples

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Embodiment Construction

[0020]FIG. 2 is a schematic three-dimensional diagram of a waterproof keyboard of the present invention. FIG. 3 is a schematic exploded diagram of the waterproof keyboard of the present invention. As shown in FIG. 2 and FIG. 3, a waterproof keyboard includes a plurality of keys 11, a keypad 12, and a circuit board 13. The plurality of keys 11 pass through the keypad 12 and press against the circuit board 13, such that the circuit board 13 can be triggered to generate an input signal when a user presses the key 11. The keypad 12 consists of two components and includes a compressive waterproof layer 120 and a plate structure 121, and a plurality of through-holes 120a, 121a are formed on the compressive waterproof layer 120 and the plate structure 121, for the keys 11 to pass through.

[0021]FIG. 4 is a schematic profile diagram of one key of the waterproof keyboard of the present invention. Refer to FIG. 3 and FIG. 4. The compressive waterproof layer 120 covers and stacks on the plate s...

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PUM

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Abstract

The present invention provides a waterproof keyboard, including a keypad and a plurality of keys passing through the keypad. The keypad includes a compressive waterproof layer, a plate structure, and a plurality of through-holes, the compressive waterproof layer covering the plate structure, and the through-hole passing through the compressive waterproof layer and the plate structure. Each of the keys passes through one of the through-holes, and the compressive waterproof layer and the plate structure are clamped by means of a slot that is formed on a lateral surface of the key, to enable the key to be sealed with the compressive waterproof layer to form a sealed layer, so as to achieve the waterproof effect.

Description

FIELD OF THE INVENTION[0001]The present invention relates to a waterproof keyboard, and in particular, to a waterproof keyboard in which waterproof configuration is implemented after keys are assembled on a keypad.BACKGROUND OF THE INVENTION[0002]Keyboards are indispensible devices for people when using computers nowadays. There are many keys on a keyboard, for being pressed by a user so as to input instructions. As shown in FIG. 1, the structure of a conventional keyboard 9 includes a keypad 91, a circuit board 92, and a plurality of keys 93. The keys 93 correspondingly pass through a plurality of through-holes of the keypad 91, to be connected to the circuit board 92, for being pressed by a user.[0003]However, due to the tolerance of and the materials used in a manufacturing process for each key 93 and the keypad 91, it is easy for dusts / liquids to float into / penetrate into gaps (positions of the through-holes) between the key 93 and the keypad 91, and then stay above the circuit ...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): H01H13/86H01H13/14G06F3/02
CPCH01H13/86G06F3/0219H01H13/14H01H2223/002H01H2223/03H01H2239/022H01H13/06
Inventor CHANG, CHIA-YUANHSIAO, SHAO-LUN
Owner PRIMAX ELECTRONICS LTD
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