JPH0485538U - - Google Patents
Info
- Publication number
- JPH0485538U JPH0485538U JP12514790U JP12514790U JPH0485538U JP H0485538 U JPH0485538 U JP H0485538U JP 12514790 U JP12514790 U JP 12514790U JP 12514790 U JP12514790 U JP 12514790U JP H0485538 U JPH0485538 U JP H0485538U
- Authority
- JP
- Japan
- Prior art keywords
- movable contact
- switch
- peripheral edge
- fixed contact
- contact
- 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
- 230000002093 peripheral effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Contacts (AREA)
Description
第１図は本考案の実施例における固定接点の構
成例を示した平面図、第２図はキートツプが操作
された状態を示す断面図、第３図は固定接点の他
の構成を示した平面図、第４図は従来のキーボー
ドスイツチの構成を例示した断面図、第５図は従
来のキーボードスイツチにおける固定接点の構成
を示した平面図、第６図は従来のキーボードスイ
ツチの操作態様を示した断面図である。
１……キートツプ、２……可動接点、３……印
刷配線板、１０，２０，３０，４０……固定接点
、１０ａ，２０ａ，３０ａ，４０ａ……接触部。
Fig. 1 is a plan view showing an example of the structure of the fixed contact in the embodiment of the present invention, Fig. 2 is a sectional view showing the state in which the key top is operated, and Fig. 3 is a plan view showing another structure of the fixed contact. 4 is a sectional view illustrating the configuration of a conventional keyboard switch, FIG. 5 is a plan view illustrating the configuration of fixed contacts in the conventional keyboard switch, and FIG. 6 is a diagram illustrating the operation mode of the conventional keyboard switch. FIG. 1... Key top, 2... Movable contact, 3... Printed wiring board, 10, 20, 30, 40... Fixed contact, 10a, 20a, 30a, 40a... Contact portion.
Claims (1)
を介して一方の固定接点と他方の固定接点を電気
的に短絡させるスイツチにおいて、 上記一方および他方の固定接点は、少なくとも
上記可動接点の周縁部に対向する部位が、該周縁
部に沿つて交互に配列する形状を有することを特
徴とするスイツチ。[Scope of Claim for Utility Model Registration] A switch that moves a movable contact downward and electrically shorts one fixed contact and the other fixed contact via the downwardly moved movable contact, The switch is characterized in that at least the portions facing the peripheral edge of the movable contact have a shape such that they are arranged alternately along the peripheral edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12514790U JPH0485538U (en) | 1990-11-29 | 1990-11-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12514790U JPH0485538U (en) | 1990-11-29 | 1990-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0485538U true JPH0485538U (en) | 1992-07-24 |
Family
ID=31872762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12514790U Pending JPH0485538U (en) | 1990-11-29 | 1990-11-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0485538U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH087690A (en) * | 1994-06-27 | 1996-01-12 | Matsushita Electric Ind Co Ltd | Key pattern of key switch |
| JPH0887924A (en) * | 1994-09-15 | 1996-04-02 | Murata Mach Ltd | Key contact structure |
| JPH09139135A (en) * | 1995-11-15 | 1997-05-27 | Uniden Corp | switch |
| JPH10334769A (en) * | 1997-05-28 | 1998-12-18 | Sharp Corp | Key switch structure |
| JP2003205072A (en) * | 2002-01-11 | 2003-07-22 | Fuji Shoji:Kk | Slot machine |
| JP2009004312A (en) * | 2007-06-25 | 2009-01-08 | Panasonic Electric Works Co Ltd | Hybrid relay |
| WO2018173664A1 (en) * | 2017-03-24 | 2018-09-27 | ヤマハ株式会社 | Electronic-musical-instrument switching device |
-
1990
- 1990-11-29 JP JP12514790U patent/JPH0485538U/ja active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH087690A (en) * | 1994-06-27 | 1996-01-12 | Matsushita Electric Ind Co Ltd | Key pattern of key switch |
| JPH0887924A (en) * | 1994-09-15 | 1996-04-02 | Murata Mach Ltd | Key contact structure |
| JPH09139135A (en) * | 1995-11-15 | 1997-05-27 | Uniden Corp | switch |
| JPH10334769A (en) * | 1997-05-28 | 1998-12-18 | Sharp Corp | Key switch structure |
| JP2003205072A (en) * | 2002-01-11 | 2003-07-22 | Fuji Shoji:Kk | Slot machine |
| JP2009004312A (en) * | 2007-06-25 | 2009-01-08 | Panasonic Electric Works Co Ltd | Hybrid relay |
| WO2018173664A1 (en) * | 2017-03-24 | 2018-09-27 | ヤマハ株式会社 | Electronic-musical-instrument switching device |
| JP2018163264A (en) * | 2017-03-24 | 2018-10-18 | ヤマハ株式会社 | Switching device for electronic musical instrument and switching device for keyboard device |
| US11227571B2 (en) | 2017-03-24 | 2022-01-18 | Yamaha Corporation | Switching device for electronic musical instrument |
| JP2022024182A (en) * | 2017-03-24 | 2022-02-08 | ヤマハ株式会社 | Switching equipment for keyboard equipment |