发明名称 SPEAKER UNIT
摘要 PROBLEM TO BE SOLVED: To provide a speaker unit capable of suppressing degrading of sound quality of a speaker even when the speaker unit is installed under a humid environment such as an outdoor place and a bath room. SOLUTION: In this speaker unit 1, a speaker opening 35 is provided on a unit main body 2 with a drainage hole (notch part 43) and a moisture drainage hole 32, and the speaker 13 is arranged in the unit main body 2 while the speaker 13 faces the speaker opening 35. Then a speaker sealing case 16 for covering the rear side of the speaker 13 is fitted to a speaker support member 11, so that a region in a nearly sealing state including the speaker 13 isolated from a region including the drainage hole (notch part 43) and the moisture drainage hole 32 is formed in the unit main body 2. COPYRIGHT: (C)2007,JPO&INPIT
申请公布号 JP2007201669(A) 申请公布日期 2007.08.09
申请号 JP20060015955 申请日期 2006.01.25
申请人 MATSUSHITA ELECTRIC WORKS LTD 发明人 ONO TATSUJI;ADACHI SHINJI
分类号 H04R1/02;H04R1/00 主分类号 H04R1/02
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