发明名称 Automatic adjustments of audio alert characteristics of an alert device using ambient noise levels
摘要 The automatic adjustment of audio alert characteristics of an alert device using ambient noise levels is described. In one aspect of the invention, a machine-readable medium has executable instructions to cause a machine to perform a method to receive an audio sample of ambient noise and adjust a characteristic of the audio alert, such as, the volume level of the audio alert, based on the ambient noise level.
申请公布号 US2005168333(A1) 申请公布日期 2005.08.04
申请号 US20050088315 申请日期 2005.03.23
申请人 CRONIN THOMAS 发明人 CRONIN THOMAS
分类号 H04M1/00;H03G3/32;H04M19/04;H04Q7/38;(IPC1-7):G08B23/00 主分类号 H04M1/00
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