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Electronic device

A technology for electronic devices and openings, applied in electrical components, magnetic/electric field shielding, metal casings, etc., and can solve problems such as grounding and shielding instability

Inactive Publication Date: 2003-06-04
ALPS ALPINE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] Therefore, the soldering portion 15 connected to the grounding integrated circuit 12a on the printed wiring board 12 will be peeled off by the upward pressing force of the protrusion 14c of the lower cover portion 14, resulting in insufficient grounding and shielding. Stability and other issues

Method used

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  • Electronic device
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0021] Such as figure 1 As shown, the electronic device A is made of a flat metal material, and has a rectangular frame body 1 with openings 1a, 1b formed on the upper side and the lower side, and is used for mounting an electronic component 2a housed inside the frame body 1. A printed wiring board 2 on which a predetermined integrated circuit circuit (not shown in the figure) is formed, and an upper cover part 3 and a lower cover part 3 made of a flat metal material for covering the openings 1a and 1b, respectively. part 4.

[0022] The aforementioned frame body 1 has four side walls 1c, and a shielding plate 1e integrally formed with the side walls 1c is also disposed inside the frame body 1. This shielding plate 1e is made of the same flat metal material as the frame body 1. It is formed by bending a part of this frame body 1 . The upper end 1f of this shielding plate 1e extends to the vicinity of the opening 1a located above the housing 1, and the lower end 1g thereof i...

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PUM

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Abstract

An electronic device is provided with an aperture part on the upward side and lower side, a frame on the side wall, a shielding plate equipped with protruding parts 1h and 1i which protrude upward and downward, a print circuit substrate equipped with grounding IC and connected with the protruding part on the shielding plate, an upper cover of the projecting part for the aperture part on the upper side of the block frame contacted with the protruding part and a lower cover of the projecting part for the aperture part on the lower side of the block frame contacted with the protruding part, and the protruding part protrudes on the upper and lower part of the shielding plate installed on the same line parallel to the side wall of a frame.

Description

technical field [0001] This invention relates to electronic devices, and more particularly to electronic devices used in high frequency circuits such as in television receivers and video recorders. Background technique [0002] pass below figure 2 , image 3 A conventional electronic device B will be described. [0003] as figure 2 As shown, the rectangular frame body 11 made of metal material has four side walls 11c, an opening portion 11a located above, and an opening portion 11b located below. The shielding plate 11e made of parts has a linear upper end 11f extending to the opening 11a above the frame 11, and a lower end 11g located approximately in the center of the side wall 11c. A convex portion 11i protruding downward is provided at a lower end 11g of the shielding plate 11e. Furthermore, both ends of the shielding plate 11e are connected at the frame body 11 by a welding part (not shown in the figure) or the like. [0004] The aforementioned printed wiring boar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05K9/00H05K5/04
Inventor 山本正喜锯本和俊
Owner ALPS ALPINE CO LTD