发明名称 Single wire return device including a QAM modulator for downstream IP signals
摘要 Systems and methods are disclosed for receiving IP video and audio signals at a subscriber's premises. A QAM modulator then modulates the IP signals and provides the modulated signals to a conventional digital home communications terminal (DHCT). Accordingly, conventional DHCTs can be used in an IP-based network.
申请公布号 US7657919(B2) 申请公布日期 2010.02.02
申请号 US20040821476 申请日期 2004.04.09
申请人 SCIENTIFIC-ATLANTA, LLC 发明人 ALSOBROOK DAVID B.;WALL WILLIAM E.;VERSTEEG WILLIAM C.;NAIR AJITH N.
分类号 H04H20/69;H04J11/00;H04L5/02;H04L12/28;H04L27/34;H04N5/00;H04N7/173;H04N7/24 主分类号 H04H20/69
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