Surface-mounted electromagnetic sound generating body

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Mounting or support feature of housed loudspeaker

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Details

381392, 381393, 379420, 379428, 379433, H04R 102, H04M 100

Patent

active

060614595

ABSTRACT:
In the surface-mounted electromagnetic sound generating body in which a thin resin casing incorporating a sound generating unit is formed with a sound release hole, a sound leakage prevention member separate from the casing is provided around the sound release hole. This arrangement reduces the number of processes for assembling the surface-mounted electromagnetic sound generating body in the manufacture of a mobile phone and at the same time minimizes the volume occupied by the surface-mounted electromagnetic sound generating body on a printed circuit board.

REFERENCES:
patent: 5461672 (1995-10-01), Enokido et al.

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