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Electronic device

專利號
US11997840B2
公開日期
2024-05-28
申請人
Sony Interactive Entertainment Inc.（JP Tokyo）
發(fā)明人
Sangwoo Kim
IPC分類
H05K9/00; G06F1/16
技術(shù)領(lǐng)域
shield,printed,board,protruding,portion,member,antenna,side,in,electronic
地域： Tokyo

摘要

An electronic device includes a printed board having an electronic part mounted on a surface thereof and a shield member arranged so as to be opposite to the surface of the printed board and to cover the electronic part. The shield member has a protruding portion that extends to the outer side beyond one end of the printed board as viewed in top plan, and the protruding portion is bent to the printed board side and has a tip end extending at least to a position opposite to a side face of the printed board.

說明書

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
TECHNICAL FIELD

The present invention relates to an electronic device in which a printed board is built.

BACKGROUND ART

Generally, an electronic device has built therein a printed board on which various electronic parts are mounted. Some of such electronic parts generate an electromagnetic field that acts as noise that has an influence on operation of some other electronic parts, wireless communication, and so forth. In order to prevent propagation of such noise as just described, a circuit element that acts as a generation source of noise is covered with a shield member formed from a metal plate or the like.

SUMMARY Technical Problem

In the technology described above, it is difficult to have the shield member be in full contact with the printed board, and there is a possibility of noise propagating from a gap between the shield member and the printed board.

The present invention has been made in view of such a situation as described above, and it is an object of the present invention to provide an electronic device capable of effectively suppressing, by a shield member, noise generated from a circuit element arranged on a printed board.

Solution to Problem

權(quán)利要求

1
The invention claimed is:1. An electronic device comprising:a printed board having first and second opposing surfaces, and an electronic part mounted on the first surface thereof;a first shield member disposed on and covering the first surface of the printed board, wherein the first shield member has:a main body portion extending substantially parallel to and in contact with the first surface of the printed board,a cavity portion that projects away from and out of contact with the first surface of the printed board to form a volume within which the electronic part is disposed, anda protruding portion that extends beyond contacting one end of the first surface of the printed board as viewed in top plan, by a length (t); anda second shield member disposed on and covering the second surface of the printed board, wherein the second shield member has a further protruding portion extending beyond contacting the one end of the second surface of the printed board as viewed in top plan, by the length (t),wherein the protruding portion and the further protruding portion are bent transversely with respect to a plane defined by both the printed circuit board, extend by a length (h) and beyond a side edge of the printed circuit board, and remain separated from one another to form a waveguide through the lengths (t) and (h).2. The electronic device according to claim 1, wherein the protruding portion of the first shield member is further bent, at a position beyond the position opposite to the side edge of the printed board, to a side approaching the printed board, and the bent portion is opposite to an outer surface of the second shield member.3. The electronic device according to claim 1, whereinan antenna is arranged at a position where the antenna does not overlap with the printed board as viewed in top plan and is spaced away to the side of the one end of the printed board, andthe protruding portion of the first shield member is bent to the printed board side at a position between the one end of the printed board and the antenna.
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