发明名称 SPEAKER AND MOBILE TERMINAL EQUIPMENT UTILIZING IT
摘要 PROBLEM TO BE SOLVED: To provide a mobile terminal equipment that is downsized and a speaker the deterioration in the sound pressure level of which a user can actually hear can be prevented. SOLUTION: A projection 61 that abuts on a printed circuit board 7 to act like a rocking fulcrum of a speaker unit 40 is provided at the center of a rear side of the speaker unit 40. Furthermore, terminals 62, 63 that are in contact with pads 71, 72 and made of an elastically deformable conductor material are provided on the rear side of the speaker unit 40. Moreover, an operating member 65 opposed to a contactor switch 75 with a very small gap is provided at a circumferential edge of the rear side of the speaker unit 40.
申请公布号 JP2002209003(A) 申请公布日期 2002.07.26
申请号 JP20010002297 申请日期 2001.01.10
申请人 NEC CORP 发明人 MORI UKYO
分类号 H04R9/10;H04M1/03;H04R1/02;(IPC1-7):H04M1/03 主分类号 H04R9/10
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