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Piezo vibration module

A technology of piezoelectric vibration and piezoelectric body, applied in the direction of generator/motor, circuit, piezoelectric effect/electrostrictive or magnetostrictive motor, etc., can solve the problems of piezoelectric actuator and touch screen damage

Inactive Publication Date: 2013-11-13
SAMSUNG ELECTRO MECHANICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the input / output device is dropped, it frequently occurs that the piezoelectric actuator collides with the touch screen and is damaged

Method used

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  • Piezo vibration module
  • Piezo vibration module
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Embodiment Construction

[0041] The objects, features and advantages of the present invention will be more clearly understood from the following detailed description of the preferred embodiments in conjunction with the accompanying drawings. In all the drawings, the same reference numerals are used to designate the same or similar constituent parts, and redundant descriptions thereof are omitted. In addition, in the following description, the terms "first", "second", "one side", "another side", etc. are used to distinguish a certain constituent part from other constituent parts whose configurations are not should be construed as being limited by terminology. Also, in the description of the present invention, when it is determined that a detailed description of related art would obscure the gist of the present invention, its description will be omitted.

[0042] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0043...

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Abstract

Disclosed is a piezo vibration module, comprising a shell, plates and a piezoelectric piece, wherein an accommodation part is formed in the shell, the plates are disposed in the accommodation part of the shell, the piezoelectric piece is installed on one plate and generates a vibration force, and the shell is internally provided with plural damping projections protruding in directions facing the plates.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to Korean Patent Application No. 10-2012-0048131, filed May 7, 2012, entitled "Piezo Vibration Module", the entire contents of which are hereby incorporated by reference in this application. technical field [0003] The invention relates to a piezoelectric vibration module. Background technique [0004] Generally, in portable electronic devices such as mobile phones, electronic book (E-book) terminals, game consoles, portable multimedia players (PMP), etc., vibration functions have been commonly used for various purposes. [0005] Specifically, vibration generators for generating vibrations have been mainly installed in portable electronic devices, thereby serving as an alert function as a silent reception signal. [0006] In view of the multifunctionalization of current portable electronic devices, miniaturization, integration and multifunctionalization of vibration generators are al...

Claims

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Application Information

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IPC IPC(8): H01L41/09H01L41/053
CPCH02N2/006H02N2/043G06F3/016H10N30/886
Inventor 郑锡焕
Owner SAMSUNG ELECTRO MECHANICS CO LTD