发明名称 Audio processing apparatus
摘要 A processing apparatus comprises a beeper system for controlling operation of a beeper in response to beeper control signals, an audio system for controlling operation of at least one speaker in response to audio data signals, and a redirection module for redirecting a beeper control signal to the audio system.
申请公布号 US2009202086(A1) 申请公布日期 2009.08.13
申请号 US20080069336 申请日期 2008.02.08
申请人 NCR CORPORATION 发明人 SINCLAIR COLIN A.
分类号 H04B3/00 主分类号 H04B3/00
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