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A vibration motor and a haptic device

A technology of vibrating motors and vibrating bodies, which is applied in the direction of electrical components, electromechanical devices, etc., can solve problems such as the impact resistance of haptic drivers, and achieve the effect of improving impact resistance

Inactive Publication Date: 2018-12-11
NIDEC SEIMITSU CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, there is a problem with the shock resistance of the haptic driver

Method used

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  • A vibration motor and a haptic device
  • A vibration motor and a haptic device
  • A vibration motor and a haptic device

Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach ＞

[0022] figure 1 It is the whole perspective view seen from above of the vibration motor 100 which concerns on 1st Embodiment of this invention. figure 2 It is a perspective view showing a state where the cover 12 is removed from the vibration motor 100 .

[0023] Roughly divided, the vibration motor 100 includes a stationary portion S, a vibrating body 5 , and a pair of elastic members 6 , 7 . The stationary part S has a case 1, a substrate 2, and a coil part L. As shown in FIG.

[0024] The box 1 includes a base plate 11 and a cover 12 . The base plate 11 is a plate-shaped member extending in the lateral direction, and has a protruding base portion 11A at the end portion on the other lateral side. The cover 12 has a top surface portion 121 located above and side portions respectively extending downward from four sides of the top surface portion 121 . The side faces include side faces 12A and 12B facing each other in the lateral direction. The cover 12 is attached to the...

no. 2 approach ＞

[0061] Next, a second embodiment of the present invention, which is a modified example of the first embodiment described above, will be described. Figure 5 It is the corresponding of the vibration motor of the second embodiment image 3 top view.

[0062] Here, differences from the first embodiment will be mainly described. In the second embodiment, the vibrator 5 has a first columnar piece 571A, a second columnar piece 571B, a third columnar piece 571C, and a fourth columnar piece 571D extending in the vertical direction as magnetic pieces.

[0063] The first columnar piece 571A and the second columnar piece 571B are arranged separately from each other in the longitudinal direction, and are fixed to the side surface of the first counterweight portion 59A on the coil portion L side. The first columnar piece 571A is in contact with the inner surface of the first magnet 54A, and the second columnar piece 571B is in contact with the inner surface of the first magnet 54B. The ...

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Abstract

The invention provides a vibration motor and a haptic device. A vibrating body (5) has a pair of magnet portions (M1, M2) extending in the lateral direction and spaced apart from each other in the longitudinal direction, and a pair of magnetic sheets (57A, 57B) forming a magnetic path together with the magnet portions (M1, M2). The pair of magnetic sheets (57A, 57B) are disposed in the lateral direction with a coil portion (L) interposed therebetween, and are disposed between the pair of magnet portions (M1, M2) in the longitudinal direction.

Description

technical field [0001] The present invention relates to vibrating motors and haptic devices. Background technique [0002] Currently, various devices such as smartphones are equipped with vibration motors. This vibration motor has a so-called horizontal line type vibration motor in which a vibrating body vibrates in a lateral direction. Here, Patent Document 1 discloses the following haptic driver. [0003] The haptic driver of Patent Document 1 has a case, a fixing member, a vibrating body, and an elastic member. A fixing member, a vibrating body, and an elastic member are housed inside the case. The fixing member includes a shaft member fixed to the case, and a coil wound around the shaft member. [0004] The vibrating body vibrates laterally with respect to the housing around the fixed member by supporting both lateral (left and right) sides with the elastic member. The vibrating body is composed of a plurality of magnets, a magnetic body, a weight, and a bracket. T...

Claims

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Application Information

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IPC IPC(8): H02K33/02
CPCH02K33/02
Inventor 宫崎雅彦
Owner NIDEC SEIMITSU CORP
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