Electronic apparatus having a switch device
Patent Information
- Authority / Receiving Office
- CN ยท China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- LENOVO (SINGAPORE) PTE LTD
- Publication Date
- 2017-06-27
- Estimated Expiration
- Not applicable ยท inactive patent
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Abstract
Description
technical field
[0001] The present invention relates to a switch device having a fixed contact and a movable contact, and electronic equipment provided with the switch device. Background technique
[0002] For switch devices used in input buttons and the like installed in various electronic devices such as notebook computers and mobile phones, for example, two fixed contacts arranged separately on the substrate and a metal dome serving as a movable contact are used. (Metal dome switch) is widely used (for example, refer to Patent Document 1). The switchgear using the metal arch piece conducts the conduction between the two fixed contacts through the elastic deformation of the metal arch piece due to the pressing operation.
[0003] Patent Document 1: Japanese Patent Laid-Open No. 2007-179921
[0004] However, in the switch device as described above, the metal arch piece elastically deforms and reverses when the switch is turned on, and the fixed contact collides with each ...