Patent ID: 9119001
Filing Date: 2015-08-25
Classification: H04R

Abstract:
1. An electronic device having loudspeaker module, comprising: a housing, the housing defining a first receiving chamber and a second receiving chamber communicating with the first receiving chamber at one end of the housing, and a first sound hole corresponding to and communicating with the first receiving chamber; a mounting sheet comprising a bottom wall and a flange protruding from the bottom wall; a circuit board mounted to the housing and the mounting sheet and supported by the flange; and a loudspeaker module mounted on the mounting sheet, the loudspeaker module comprising a first loudspeaker received in the first receiving chamber; wherein the first receiving chamber communicates with the second receiving chamber to form a resonant cavity for the first loudspeaker; wherein the housing comprises a bottom wall and a peripheral wall protruding from the bottom wall, a first rib is formed on the inner surface of the bottom wall, and a second rib is also formed on the inner surface of the bottom wall abutting the first rib, the first rib and the bottom wall cooperate to define the first receiving chamber, the second rib and the bottom wall cooperate to define the second receiving chamber; the first receiving chamber and the second receiving chamber are communicated by a first through hole defined by the first rib; wherein the circuit board defines a first opening, the first loudspeaker is positioned in the first opening, the first rib surrounds the first loudspeaker, the side of the first rib abutting the second rib abuts the circuit board, and the side of the first rib opposite to the second rib abuts the bottom wall of the mounting sheet, the first loudspeaker is adjacent to the side of the first rib opposite to the second rib.