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    • 3. 发明申请
    • PRESENTATION AUDIO SYSTEM
    • 演示音频系统
    • US20100226512A1
    • 2010-09-09
    • US12718985
    • 2010-03-07
    • Kevin SykesMitch HensleyDan MurphyBruce Marlin
    • Kevin SykesMitch HensleyDan MurphyBruce Marlin
    • H04R3/00
    • G09B5/04H04R1/08
    • A presentation audio system with two dual-mode, dual-channel, wireless IR microphone/controllers that concurrently transmit multiplexed audio and command IR signals to IR sensors communicating to an amplifier that sends amplified audio to one or more speakers, responsive to the received commands. Each wireless IR microphone/controller includes a microphone and controller in a housing with manual controls and separate redundant groups of transmitting IR LEDs. The amplifier is controlled as to volume, audio sources selected, and control closure operation. First mode controls the audio of the IR microphone/controller that is set in the first mode and second mode controls all audio sources in the system. One manual control is a control closure that may be used to initiate a building alarm or for other purposes. A headset microphone jack enables use of the IR microphone/controller as an IR transmitter. A dual recharger usable vertically or horizontally is included.
    • 具有两个双模,双通道无线IR麦克风/控制器的演示音频系统,其同时向IR传感器传输多路复用的音频和命令IR信号,该红外传感器响应于所接收的命令,将放大器发送放大的音频到一个或多个扬声器 。 每个无线红外麦克风/控制器包括一个麦克风和控制器在一个外壳与手动控制和独立的冗余发送红外LED组。 对放大器进行音量控制,音频源选择和控制关闭操作。 第一模式控制设置在第一模式的IR麦克风/控制器的音频,第二模式控制系统中的所有音频源。 一个手动控制是一个控制闭合,可用于启动建筑物报警或用于其他目的。 耳机麦克风插孔可以使用红外线麦克风/控制器作为红外发射器。 包括可以垂直或水平使用的双重充电器。