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Button and mobile terminal including same

A mobile terminal and button technology, applied in electrical components, electrical switches, circuits, etc., can solve the problems of poor button feel, misoperation, and easy failure, and achieve the effect of avoiding button failure, reducing misoperation, and improving the feel of pressing.

Active Publication Date: 2016-01-20
HUAQIN TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a key and a mobile terminal including it in order to overcome the defects of the prior art that the keys have poor hand feel, are easy to fail, and cause misoperation.

Method used

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  • Button and mobile terminal including same
  • Button and mobile terminal including same
  • Button and mobile terminal including same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Such as Figure 1-6 As shown, the button of this embodiment includes a pressing member 1, an insulating pad 2, a circuit board 3, a protruding portion 41, a protruding portion 42, a DOME sheet 51, a DOME sheet 52, a fixing groove 61, a fixing groove 62 and Exhaust slot 7.

[0028] The DOME sheet 51 and the DOME sheet 52 are arranged between the circuit board 3 and the insulating bedding layer 2, and the insulating bedding layer 2 is provided with a protruding portion 41 and a protruding portion 42, and the protruding portion 41 is located at the center of the DOME sheet 51. Outlet 42 is located at the center of DOME sheet 52 . After the protruding part is arranged on the insulating cushion layer 2, its position is always at the center of the DOME sheet, and will not be affected by assembly. After the pressing part is pressed, the protruding part can be pressed to the DOME sheet. Both the insulating pad layer 2 and the protruding portion 42 are made of electrically ins...

Embodiment 2

[0035] Such as Figure 7-9 As shown, the button of this embodiment includes a pressing part 11, a pressing part 12, a pressing part 13, an insulating pad layer 2, a circuit board 3, a protruding part 41, a protruding part 42, a protruding part 43, a DOME sheet 51, and a DOME sheet 52 and DOME piece 53.

[0036] DOME sheet 51, DOME sheet 52 and DOME sheet 53 are arranged between circuit board 3 and insulating pad 2, and insulating pad 2 is provided with protruding part 41, protruding part 42 and protruding part 43, and protruding part 41 Located at the center of the DOME sheet 51 , the protrusion 42 is located at the center of the DOME sheet 52 , and the protrusion 43 is located at the center of the DOME sheet 53 . After the protruding part is arranged on the insulating cushion layer 2, its position is always at the center of the DOME sheet, and will not be affected by assembly. After the pressing part is pressed, the protruding part can be pressed to the DOME sheet. Both the...

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Abstract

The invention discloses a key and a mobile terminal therewith. The key comprises at least one pressing part, at least one dome array, a circuit board and an insulating blanket, wherein the dome array is disposed between the circuit board and the insulating blanket. Projection portions with the number the same as that of the dome array are arranged on the insulating blanket, and each projection portion is positioned in a place corresponding to the center of the dome array. The mobile terminal comprises the key mentioned above. With the use of the key and the mobile terminal, pressing feelings the key brings can be well improved, misuse is reduced, and key failure can be effectively avoided.

Description

technical field [0001] The invention relates to a button and a mobile terminal including the same. Background technique [0002] DOME sheet, that is, metal dome conductive film (Metaldomearray / DomeArray), taking the most common DOME sheet as an example, it is a thin sheet containing metal domes, and the position of each metal dome is arranged according to the corresponding pad position on the circuit board. And other components to set the corresponding evacuation positions and positioning holes. DOME sheets are used as switches on circuit boards such as PCB (printed circuit board) or flexible circuit board (ie FPC), and play an important role as a tactile switch between the user and the instrument. Compared with traditional silicone keys, DOME sheets have a better feel and longer life, and can also indirectly improve the production efficiency of various types of switches using conductive films. The working principle of the DOME chip is that the metal shrapnel is located on...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H13/14
Inventor 张怀荣
Owner HUAQIN TECH CO LTD
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