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Inductive device

A technology for inductive devices and installation areas, applied in the direction of inductors, fixed inductors, fixed signal inductors, etc., can solve problems such as vibration and fragility

Inactive Publication Date: 2003-11-12
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Thus, such conventional inductive devices are fragile to shock

Method used

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Examples

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Embodiment Construction

[0031] Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

[0032] first exemplary embodiment

[0033] figure 1 is a sectional view of the inductance device involved in the first exemplary embodiment. figure 2 yes figure 1 An exploded perspective view of the inductive device shown in . image 3 is a perspective view of the same inductive device. Figure 4 is a perspective bottom view of the same inductive device. Figure 5 is a perspective view showing the terminals in the process of mounting it on the ring core of the same inductive device. Figure 6 is a perspective view showing terminals mounted on the ring core of the same inductance device.

[0034] exist Figure 1 to Figure 6 , the inductive device involved in the first exemplary embodiment has the following dimensions:

[0035] 6 square millimeters,

[0036] Height: 1.5mm, and

[0037] Drum core diameter: 5mm.

[0038] The first end of...

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Abstract

An inductance device includes terminals (9) which are mounted to the inductance device from outside of a ring core (7). A fit-section (12) of one of each terminal (9) is bent along an outer wall (14), an upper face (15) of a groove (19), and an inner wall (13) of the ring core (7). A mount-section (11) of one of each terminal (9) extends from vicinity of an outer perimeter of the ring core (7) toward inside of a drum core (4) along a lower brim (3). When a shock is applied to the drum core (4) or the ring core (7), this structure prevents the drum core (4) and the ring core (7) from falling away from a board, where they have been mounted, leaving vicinity of the fit-section (12) of the terminal (9) on the board. This structure thus improves shock-proofness of the inductance device.

Description

technical field [0001] The present invention relates to an inductive device used in various electronic equipment. technical background [0002] Hereinafter, a conventional inductance device will be described with reference to the accompanying drawings. A conventional inductor device is disclosed in Japanese Patent Application Unexamined Application No. H10-294221. Figure 10 is a perspective bottom view of this conventional inductive device, Figure 11 yes Figure 10 An exploded perspective view of the inductive device shown in . [0003] exist Figure 10 and Figure 11 , this conventional inductive device consists of the following components: [0004] drum core 24; [0005] Winding 25; [0006] ring core 26; and [0007] Terminal 27. [0008] The drum core 24 has an upper edge 22 on a first end of the roller shaft 21 and a lower edge 23 on a second end of the roller shaft 21 . The diameters of the two edges are approximately the same. The winding 25 is wound on the...

Claims

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Application Information

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IPC IPC(8): H01F17/04H01F27/02H01F27/29H01F37/00
CPCH01F17/045H01F27/027H01F27/292
Inventor 桑田治彦守本慎一岩崎人志
Owner PANASONIC CORP
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