JPH0410928U - - Google Patents
Info
- Publication number
- JPH0410928U JPH0410928U JP5083790U JP5083790U JPH0410928U JP H0410928 U JPH0410928 U JP H0410928U JP 5083790 U JP5083790 U JP 5083790U JP 5083790 U JP5083790 U JP 5083790U JP H0410928 U JPH0410928 U JP H0410928U
- Authority
- JP
- Japan
- Prior art keywords
- fixed electrode
- area
- electrode
- movable
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229920003002 synthetic resin Polymers 0.000 claims description 2
- 239000000057 synthetic resin Substances 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 description 1
Landscapes
- Electronic Switches (AREA)
Description
第１図は本考案の一実施例を示す分解部分斜視
図、第２図は第１図に示す本実施例の部分縦断面
図、第３図は従来の静電容量形キーボードスイツ
チの分解部分斜視図、第４図は第３図に示す従来
例の部分縦断面図である。
１……合成樹脂フイルム、２，３……固定電極
、２ａ，３ａ……印刷配線パターン、４……可動
電極、５……プランジヤ、６……補強板、７……
誘電体フイルム、２０，３０……固定電極。
Fig. 1 is an exploded partial perspective view showing one embodiment of the present invention, Fig. 2 is a partial vertical sectional view of the embodiment shown in Fig. 1, and Fig. 3 is an exploded part of a conventional capacitive keyboard switch. The perspective view and FIG. 4 are partial vertical cross-sectional views of the conventional example shown in FIG. 3. DESCRIPTION OF SYMBOLS 1... Synthetic resin film, 2, 3... Fixed electrode, 2a, 3a... Printed wiring pattern, 4... Movable electrode, 5... Plunger, 6... Reinforcement plate, 7...
Dielectric film, 20, 30...fixed electrode.
Claims (1)
する第１の固定電極と第２の固定電極とからなる
固定電極を形成し、前記第１の固定電極側に前記
固定電極と対向して接離可能に位置する可動電極
を配し、前記可動電極と接する側の前記第１の固
定電極の面積を前記第２の固定電極の面積よりも
狭くし且つ前記第１の固定電極の面積と前記第２
の固定電極の面積との和が前記可動電極の面積と
ほぼ等しいことを特徴とする静電容量形キーボー
ドスイツチ。 A fixed electrode consisting of a first fixed electrode and a second fixed electrode located in a pair on both sides of a synthetic resin film is formed, and a fixed electrode is formed on the side of the first fixed electrode facing and connected to the fixed electrode. A movable electrode is arranged so as to be separable, and the area of the first fixed electrode on the side in contact with the movable electrode is smaller than the area of the second fixed electrode, and the area of the first fixed electrode and the Second
A capacitive keyboard switch characterized in that the sum of the area of the fixed electrode and the area of the movable electrode is approximately equal to the area of the movable electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5083790U JPH0410928U (en) | 1990-05-16 | 1990-05-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5083790U JPH0410928U (en) | 1990-05-16 | 1990-05-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0410928U true JPH0410928U (en) | 1992-01-29 |
Family
ID=31569736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5083790U Pending JPH0410928U (en) | 1990-05-16 | 1990-05-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0410928U (en) |
-
1990
- 1990-05-16 JP JP5083790U patent/JPH0410928U/ja active Pending