System level features of a keyboard
First Claim
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1. A keyboard device, comprising:
- a group of keys;
a sheet metal shell defining a web having an array of openings along a top surface and side surfaces surrounding the top surface, each key positioned in a respective opening of the array of openings and separated by a section of the web;
a platform enclosed within the sheet metal shell under the group of keys and supporting the group of keys, the platform defining a cavity having a lower surface opposite the group of keys that is recessed into the platform; and
a circuit board coupled to the lower surface of the platform such that the circuit board is positioned within the cavity and below at least a portion of the group of keys, the circuit board operable to control the keyboard device;
wherein;
the platform is positioned between the web and the circuit board and forms a liquid barrier for liquid that enters through an opening of the array of openings.
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Abstract
A keyboard device includes a shell having a set of aperture formed into a top surface. A group of keys are disposed in the set of apertures. A platform is disposed under the group of keys and substantially fills an interior of the shell. The platform has a cavity formed in a lower surface of the platform. A circuit board, which is operable to control the keyboard is disposed within the cavity. The platform is configured to prevent ingress of liquid and debris that may enter the set of apertures. In some cases, the shell may have a rear aperture formed into a side wall, which may be configured as an antenna that is tuned to transmit a wireless signals at a transmission frequency.
326 Citations
20 Claims
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1. A keyboard device, comprising:
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a group of keys; a sheet metal shell defining a web having an array of openings along a top surface and side surfaces surrounding the top surface, each key positioned in a respective opening of the array of openings and separated by a section of the web; a platform enclosed within the sheet metal shell under the group of keys and supporting the group of keys, the platform defining a cavity having a lower surface opposite the group of keys that is recessed into the platform; and a circuit board coupled to the lower surface of the platform such that the circuit board is positioned within the cavity and below at least a portion of the group of keys, the circuit board operable to control the keyboard device;
wherein;the platform is positioned between the web and the circuit board and forms a liquid barrier for liquid that enters through an opening of the array of openings. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A wireless keyboard, comprising:
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a shell formed from sheet metal and defining a web having openings formed along a top surface, sidewalls extending downward from the web, and a rear sidewall defining an aperture; a set of keys at least partially enclosed in the shell, each key of the set of keys extending through a corresponding opening of the openings of the web; a platform positioned below and supporting the set of keys, the platform defining a cavity positioned below at least a portion of the set of keys; and a circuit board positioned within the cavity of the platform and operable to control the wireless keyboard, wherein the rear sidewall of the shell defining the aperture is electrically connected to the circuit board, and the rear sidewall of the shell defining the aperture transmits or receives radio-frequency communication between an external device and the circuit board. - View Dependent Claims (14, 17)
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15. A method for making a keyboard device, the method comprising:
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forming a sheet metal shell comprising a top portion and multiple walls; forming a set of openings in the top portion of the sheet metal shell to define a web; installing a group of keys in the sheet metal shell, each key of the group of keys extending through a respective opening of the set of openings; installing a platform in the sheet metal shell under the group of keys that is fully enclosed by the sheet metal shell and supports the group of keys, the platform having a cavity that is positioned below at least a portion of the group of keys and is recessed into the platform in a lower surface opposite the group of keys; installing a circuit board within the cavity and coupling the circuit board to the platform, the platform positioned between the web and the circuit board to form a liquid barrier; and electrically coupling the circuit board to the group of keys. - View Dependent Claims (16)
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18. A keyboard, comprising:
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a sheet metal shell defining a web having an array of openings and a set of sidewalls that extend downward from the web; a set of keys positioned at least partially within the sheet metal shell, each key extending through a respective opening of the array of openings; a base coupled to the set of sidewalls of the sheet metal shell and defining a bottom surface of the keyboard; a plastic platform extending upward from the base and supporting the set of keys, the plastic platform defining a cavity positioned below at least a portion of the set of keys; and a circuit board positioned within the cavity and operably coupled to the set of keys; wherein the plastic platform shields the circuit board from water that enters through the openings of the web. - View Dependent Claims (19, 20)
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Specification