发明名称 ADDRESSABLE AMPLIFIED SPEAKER ASSEMBLY AND METHOD FOR ADDRESSING THE SAME
摘要 Addressable amplified speakers assembly, and method for addressing the sam e, suitable for any permanent or temporary public address paging application. Amplified speakers assembly may incorporate VHF and UHF radios to provide wireless, on e- way paging from a few feet to many miles away. These speakers can be added to an y existing radio system with minimal effort or cost. The need for routing signal cable is eliminated, greatly reducing installation costs. Each speaker can be programmed for individual, group, or all-page access via DTMF or 2-Tone coding (up to 8 different addresses). The volume of each speaker can also be controlled remotely.
申请公布号 CA2540393(A1) 申请公布日期 2006.09.23
申请号 CA20062540393 申请日期 2006.03.20
申请人 HUBBELL INCORPORATED 发明人 RAUENZAHN, RICHARD R.
分类号 H04R3/00;H03F99/00;H04M11/00;H04R27/00 主分类号 H04R3/00
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