JPS62158723U

JPS62158723U -

Info

Publication number: JPS62158723U
Application number: JP4659486U
Authority: JP
Priority date: 1986-03-28
Filing date: 1986-03-28
Publication date: 1987-10-08

Description

[Brief explanation of the drawing]

第１図は、本考案の一実施例に従つて密閉型に
構成された吸湿機構を備えたキーボードスイツチ
の概念的な要部拡大断面構成図、第２図は、第１
図のキーボードスイツチを開放型に構成した一例
の同様な要部拡大断面構成図、第３図は、絶縁ス
ペーサの一部に吸湿構造を内蔵させるように構成
した開放型のキーボードスイツチの要部拡大断面
構成図、第４図は、通気用透孔部位にフイルタ状
の吸湿構造を設けるようにした場合の同様な要部
拡大断面構成図、そして、第５図は、従来構造の
膜型キーボードスイツチを示す概念的な要部断面
構成図である。１，３：可撓性シート、２，４：接点パターン
、５：高吸水性多孔質樹脂部材、６：絶縁スペー
サの透孔、７：通気用透孔、８：絶縁スペーサ。 FIG. 1 is a conceptual enlarged cross-sectional configuration diagram of essential parts of a keyboard switch equipped with a moisture absorption mechanism configured in a sealed manner according to an embodiment of the present invention, and FIG.
Figure 3 is an enlarged cross-sectional view of the main parts of an example of an open type keyboard switch as shown in the figure. FIG. 4 is an enlarged cross-sectional diagram of a similar main part in the case where a filter-like moisture absorbing structure is provided in the ventilation hole portion, and FIG. 5 is a diagram of a membrane-type keyboard switch with a conventional structure. FIG. 2 is a conceptual cross-sectional configuration diagram of main parts. 1, 3: flexible sheet, 2, 4: contact pattern, 5: super absorbent porous resin member, 6: through hole of insulating spacer, 7: through hole for ventilation, 8: insulating spacer.

Claims

[Scope of utility model registration request]

In a keyboard switch in which two flexible sheets are arranged opposite to each other with an insulating spacer in between, and a required set of contact patterns are provided on the opposing surfaces of both flexible sheets, all or one of the above insulating spacers are used. 1. A keyboard switch equipped with a moisture absorption mechanism, characterized in that a portion thereof is formed of a water-absorbing resin material.