Patent ID: 8577072

Claim:
An electronic device comprising: a case in which an opening section is provided in a predetermined area; a circuit board arranged inside the case; a speaker electrically connected to the circuit board; a contact sheet arranged on the circuit board, wherein (i) a speaker attaching section, which is vertically open with respect to the circuit board and into which the speaker is press-fitted, and (ii) a skirt section which extends upwards from the speaker attaching section, is elastically deformable, and whose upper portion is open, are integrally formed in the contact sheet in an area corresponding to the opening section in the case; and a key top having a sound emitting hole, the key top being provided on the upper portion of the skirt section; wherein the circuit board is provided with an insertion hole, into which the speaker attaching section of the contact sheet is inserted, in the area corresponding to the opening section in the case, and a plurality of fixed contacts positioned at an outer periphery of the insertion hole; wherein the contact sheet is provided with a plurality of movable contacts positioned at an outer periphery of the skirt section, and corresponding to the plurality of fixed contacts; and wherein the key top has a substantially planar shape and a size such that the key top covers the plurality of movable contacts.