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Linear vibrator

A linear vibrator and coil group technology, applied in the direction of vibrating fluid, electrical components, electromechanical devices, etc., can solve the problems of small vibration energy, leaf spring damage, and linear vibrator bulky, so as to prevent damage to the leaf spring Effect

Inactive Publication Date: 2013-05-22
EM TECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, the conventional linear vibrator has disadvantages in that when vibrating due to the vertical motion of the vibrator relative to the stator, the vibration energy is small and the linear vibrator is bulky
[0007] A linear vibrator employing horizontal driving to generate vibration is configured such that a leaf spring is coupled to the vibrator to improve vibration energy, wherein an area of ​​the leaf spring is disadvantageously damaged due to fatigue due to repeated vibration of the vibrator

Method used

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Embodiment Construction

[0018] Hereinafter, exemplary embodiments of the present disclosure will be described in detail with reference to the accompanying drawings. In the drawings, the size or shape of constituent elements may be exaggerated for clarity and convenience.

[0019] In describing the present disclosure, detailed descriptions of constructions or processes known in the art may be omitted in order to avoid obscuring understanding of the present invention by those of ordinary skill in the art with unnecessary details about such known constructions and functions.

[0020] Accordingly, certain terms may be defined to describe the present disclosure in the best manner known to the inventors. Therefore, the meanings of specific terms or words used in the specification and claims are not limited to literal or commonly used meanings, but should be interpreted according to the spirit and scope of the present disclosure. Therefore, the definitions of these terms can be determined based on the cont...

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PUM

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Abstract

A linear vibrator is disclosed, the linear vibrator including a case providing an inner space, a stator including a circuit board arranged on the case and a coil block electrically connected to the circuit board, an integral spring including a plate opposite to the circuit board and springs vibratingly fixing both distal ends of the plate to the case, a yoke arranged on the integral spring in opposition to the circuit board, and a vibrator including a weight coupled to the yoke and a magnet coupled to the weight in opposition to the coil block.

Description

[0001] Cross References to Related Applications [0002] This application is based on and claims priority from Korean Patent Application No. 10-2011-0106822 filed on Oct. 19, 2011, the disclosure of which is incorporated herein by reference. technical field [0003] The present disclosure relates to linear vibrators. Background technique [0004] Generally, linear vibrators are used to generate vibrations in electronic devices such as mobile phones, smartphones, game consoles, portable information terminals, smart tablets, and game controllers by using electromagnetic force between a magnet and a coil . [0005] A conventional linear vibrator is configured such that when an electric current is applied to a coil, the operation of the vibrator is actuated by an electromagnetic force formed between the coil and a magnet, thereby vertically vibrating the vibrator in association with the elastic force of a spring relative to the stator . [0006] However, the conventional line...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K33/18
CPCH02K33/02H02K33/16H02K33/18B06B1/04H02K33/12
Inventor 朴荣一李甲振
Owner EM TECHNOLOGY CO LTD