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Vibration generating apparatus and electronic apparatus including the same

A vibration generating device and technology of electronic equipment, applied in the direction of using vibrating fluid, piezoelectric effect/electrostrictive or magnetostrictive motor, circuit, etc., can solve the problems of elastic plate deformation, piezoelectric element damage, damage, etc.

Inactive Publication Date: 2014-12-03
MPLUS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, such piezoelectric elements are damaged by external shocks
For example, when an external shock is applied to the vibrator, the piezoelectric element may be damaged due to contact between the piezoelectric element and the lower case
[0008] In addition, the elastic plate may be deformed or damaged due to external impact or the like applied to the vibration generating device along its length direction
Therefore, the piezoelectric element mounted on the elastic plate will be damaged

Method used

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  • Vibration generating apparatus and electronic apparatus including the same
  • Vibration generating apparatus and electronic apparatus including the same
  • Vibration generating apparatus and electronic apparatus including the same

Examples

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Embodiment Construction

[0053] Hereinafter, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings.

[0054] However, this disclosure may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

[0055] In the drawings, the shapes and dimensions of elements may be exaggerated for clarity, and the same reference numerals will be used throughout to designate the same or like elements.

[0056] The vibration generating device 100 according to an exemplary embodiment of the present disclosure may have a shape in which a buffer material having an adhesive 260 is interposed between the mass body 180 and the piezoelectric element 160 arranged to face each other so that the mass body 180 is adhered to piezoelectric element 160 ....

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Abstract

A vibration generating apparatus may include a housing having an internal space, an elastic member mounted in the internal space, a piezoelectric element having one surface thereof mounted on the elastic member, and a mass body fixed to the other surface of the piezoelectric element by a buffering adhesive.

Description

[0001] This application claims Korean Patent Application No. 10-2013-0058631 filed with the Korean Intellectual Property Office on May 23, 2013 and Korean Patent Application No. 10-2013-0137478 filed with the Korean Intellectual Property Office on November 13, 2013 Interest in patent applications, the disclosures of both patent applications are hereby incorporated by reference in their entirety. technical field [0002] The present disclosure relates to a vibration generating device and electronic equipment including the vibration generating device. Background technique [0003] A vibration generating device that converts electrical energy into mechanical vibration by using, for example, the generation principle of electromagnetic force can be installed in a mobile phone or the like for silently notifying a user of an incoming call by generating vibration applied to the mobile phone. Furthermore, according to the rapid development of the market of mobile devices such as mobi...

Claims

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Application Information

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IPC IPC(8): H02N2/04
CPCH02N2/006B06B1/0603B06B1/14G06F3/016G06F1/1643H10N30/88H10N30/2041G06F3/041
Inventor 崔准金在京李祥振文东秀
Owner MPLUS