Reduced noise key unit
AssigneeMinebea Co., Ltd.
InventorsToshisada Takeda, Bryan Kang, Yoshinori Kobayashi
Life of this patent
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Abstract
A key unit of a keyboard apparatus having at least one bumper extending from the key unit for cushioning the impact of the key unit against the enclosure of the keyboard apparatus when the key unit assumes a depressed position and/or when the key unit resumes a non-depressed position, thereby eliminating or reducing the feedback noise, while retaining the benefits of a pre-loaded feature for the key unit.
Claims16
A key unit of an apparatus, wherein said key unit is able to assume a depressed position, and wherein said apparatus has a stop that restricts the movement of said key unit, said key unit further comprising:
- a member moveable in a defined direction in response to pressure, said member having at least one bumper, said bumper moveable into contact with said stop of said apparatus, and
- a keycap mounted on said member, wherein said keycap comprises a flange that accommodates said at least one bumper of said member through at least one aperture in said flange into said contact with said stop of said apparatus.
An apparatus comprising:
- at least one key unit being able to assume a depressed position;
- and a stop that restricts the movement of said at least one key unit;
- wherein said at least one key unit comprises:
- a member moveable in a defined direction in response to pressure, said member having at least one bumper, said bumper moveable into contact with said stop of said apparatus, and
- wherein said key unit of said apparatus further comprises a keycap mounted on said member, and wherein said keycap of said key unit further comprises a flange that accommodates said at least one bumper through at least one aperture in said flange into said contact with said stop of said apparatus.
Dependencies are inferred from the claim text.