发明名称 Telephone apparatus used for computer network telephone system
摘要 A telephone apparatus connectable to a computer network through a telephone network to transmit data including audio signals via a server of said computer network includes: a first telephone set including a first audio input/output means for converting input voice into a digital audio signal and for converting a digital audio signal into output voice, and a first CPU that executes process for connecting the first telephone set to the server and process for compressing or expanding the digital audio signal; a second telephone set including a second audio input/output means for converting input voice into a digital audio signal and for converting a digital audio signal into output voice, and a second CPU that executes process for connecting the first telephone set to the server and process for compressing or expanding the digital audio signal; and connection control means connected between the telephone network and the first and second CPUs to enable the first and second CPUs to transmit the data.
申请公布号 US7420959(B1) 申请公布日期 2008.09.02
申请号 US19960764394 申请日期 1996.12.11
申请人 SONY CORPORATION 发明人 WATANABE HIDEKAZU;OYAMA AKIMASA;ASAI MASAHIRO
分类号 H04L12/66;H04M3/00;G06F15/16;G06F15/177;H04J3/04;H04M7/00;H04M11/06 主分类号 H04L12/66
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