JPH0436315U

JPH0436315U -

Info

Publication number: JPH0436315U
Application number: JP7657390U
Authority: JP
Priority date: 1990-07-20
Filing date: 1990-07-20
Publication date: 1992-03-26

Description

[Brief explanation of the drawing]

第１図及び第２図は本考案の一実施例を説明す
る図であり、第２図はループ形アンテナを有する
小形無線機の分解斜視図、第１図は小形無線機を
組み立てた状態での第２図のＡ−Ａ線断面図であ
る。第３図は従来の小形無線機の分解斜視図、第
４図は同上の無線機を組み立てた状態でのＢ−Ｂ
線断面図である。３０……ケース、３１……金属製カバー、３４
……プリント配線板、３６……ボス、３７……開
口部、３９……底板部、４１……導電層、５０ａ
……第２のパターン部、５０ｂ……第１のパター
ン部、５２……一方の面、５３……他方の面、５
５……（金属製カバーの）一端、５９……（金属
製カバーの）他端。 Figures 1 and 2 are diagrams illustrating an embodiment of the present invention. Figure 2 is an exploded perspective view of a small radio device with a loop antenna, and Figure 1 is an assembled state of the small radio device. FIG. 2 is a sectional view taken along line A-A in FIG. Figure 3 is an exploded perspective view of a conventional small radio, and Figure 4 is a B-B of the same radio in an assembled state.
FIG. 30...Case, 31...Metal cover, 34
...Printed wiring board, 36...Boss, 37...Opening, 39...Bottom plate portion, 41...Conductive layer, 50a
...Second pattern section, 50b...First pattern section, 52...One side, 53...Other side, 5
5... One end (of the metal cover), 59... The other end (of the metal cover).

Claims

[Scope of utility model registration request]

A resin case having an opening into which a printed wiring board is inserted and a boss to which the printed wiring board is screwed, is provided on the inner wall of the case from the bottom plate part to the boss, and one of the printed wiring boards a conductive layer electrically connected to a first pattern portion provided on a surface of the printed wiring board; and a conductive layer provided on the other surface of the printed wiring board and attached to the case so as to cover the opening of the case. 1. A loop antenna comprising: a metal cover having one end electrically connected to the pattern portion of No. 2 and the other end electrically connected to the conductive layer.