发明名称 Safety tilt mechanism for portable telephone including a speakerphone
摘要 A portable telephone with a speakerphone with a safety mechanism. This portable telephone is prevented from entering speakerphone mode unless the device is within a predetermined amount of horizontal. Otherwise, speakerphone mode cannot be entered.
申请公布号 US6449363(B1) 申请公布日期 2002.09.10
申请号 US19990437330 申请日期 1999.11.09
申请人 DENSO CORPORATION 发明人 KIELSNIA JEAN-PHILLIPE
分类号 H04B1/38;H04B7/26;H04M1/247;H04M1/60;H04M1/725;(IPC1-7):H04M1/00 主分类号 H04B1/38
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