发明名称 System and Method for Playing User-Defined Ring Tones Over a Cellular Telephone Headset
摘要 A caller identification system comprises a headset and a mobile communication device. The headset is operably configured to play a ring tone caller identification to a user. The mobile communication device is operably configured to send the ring tone caller identification to the headset upon a determination that the headset is in communication with the mobile communication device.
申请公布号 US2009111442(A1) 申请公布日期 2009.04.30
申请号 US20070932025 申请日期 2007.10.31
申请人 AT&T KNOWLEDGE VENTURES, LP 发明人 BARNES BRUCE;KHOSHABA SHADI;MALLAIN DOLORES
分类号 H04M3/42 主分类号 H04M3/42
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