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US 2013/0146434 A1Published application
Key switch device
AssigneeLenovo (Singapore) Pte. Ltd.
InventorsFumio Tamura, Kenshin Yonemochi
Life of this patent
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Abstract
One aspect provides a key switch device including: a base plate; a sheet laminated on the base plate; a key top disposed above the sheet; and an elastic dome that is disposed between the sheet and the key top and is configured to press the sheet in response to the key top being pressed down. Other aspects are described and claimed.
Claims20
A key switch device comprising:
- a base plate;
- a sheet laminated on the base plate;
- a key top disposed above the sheet;
- and
- an elastic dome that is disposed between the sheet and the key top and is configured to press the sheet in response to the key top being pressed down.
2 more elements
An apparatus, comprising:
- a housing having a keyboard disposed therein;
- said keyboard comprising a plurality of key switch devices;
- at least one of the plurality of key switch devices comprising:
- a base plate;
- a sheet laminated on the base plate;
- a key top disposed above the sheet;
- and
- an elastic dome that is disposed between the sheet and the key top and is configured to press the sheet in response to the key top being pressed down.
5 more elements
A method, comprising:
- laminating a sheet on a base plate;
- disposing a key top above the sheet;
- and
- disposing an elastic dome between the sheet and the key top, the elastic dome being configured to press the sheet in response to the key top being pressed down.
1 more element
Dependencies are inferred from the claim text.