Membrane button key structure with a built-in speaker
AssigneeASUSTeK COMPUTER INC.
InventorKuo-Ping Lu
Life of this patent
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Abstract
A membrane button key structure with a built-in speaker consists of a membrane key, a bottom lid and a speaker. The membrane key includes a four-way key and a plurality of hot keys connecting with one another through a membrane and corresponding to touch switches located on a circuit board. The circuit board has a carved opening with the center of the four-way key located thereabove and the bottom lid located therebelow to form a housing compartment to accommodate the speaker. Besides housing the speaker, the extra space of the housing compartment functions as an acoustic chest for the speaker.
Claims6
A membrane button key structure with a built-in speaker for coupling with a circuit board which has a plurality of touch switches and a carved opening located on the surface thereof, comprising:
- a membrane key including a four-way key and a plurality of hot keys connecting with one another through a membrane and corresponding to the touch switches, the four-way key being located above the carved opening of the circuit board;
- a bottom lid located below the carved opening of the circuit board to form a housing compartment with the four-way key;
- and
- a speaker located in the housing compartment to spare a space in the housing compartment to form an audio chest for the speaker.
Dependencies are inferred from the claim text.