FILM-BASED HOUSING AND SWITCH FOR KEYBOARD ASSEMBLY
First Claim
Patent Images
1. A switch assembly, comprising:
- a switch body defining a switch opening;
a dome switch positioned in the switch opening;
a film attached to the switch body and covering the switch opening; and
a protrusion extending from the film in an area above the switch opening;
whereinthe protrusion is configured to transfer a force from a keycap of a key to the dome switch when the keycap is depressed.
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Abstract
A switch assembly includes a switch body defining a switch opening, a dome switch positioned in the switch opening, a film attached to a surface of the switch body and covering the switch opening, and a protrusion extending from the film in an area above the switch opening. The protrusion is configured to transfer a force from a keycap of a key to the dome switch when the keycap is depressed. The dome switch may include an upper dome below the film and a lower dome below the upper dome.
96 Citations
20 Claims
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1. A switch assembly, comprising:
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a switch body defining a switch opening; a dome switch positioned in the switch opening; a film attached to the switch body and covering the switch opening; and a protrusion extending from the film in an area above the switch opening;
whereinthe protrusion is configured to transfer a force from a keycap of a key to the dome switch when the keycap is depressed. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A key, comprising:
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a switch assembly, comprising; a body defining a switch opening; a flexible cover joined to the body; and an actuation pad on a surface of the flexible cover; and a keycap positioned above the switch assembly and operative to move from a first position to a second position;
whereinin the first position, the flexible cover is in a substantially undeformed state; and in the second position, the flexible cover is deformed by the keycap. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A method of forming a switch, comprising:
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attaching a cover member comprising an actuation pad to a switch body that defines a switch opening; and positioning a dome switch within the switch opening such that the actuation pad is aligned with an input surface of the dome switch. - View Dependent Claims (18, 19, 20)
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Specification