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发明授权
US07043034B2 Loudspeaker with single or dual channel input selector and lockout 有权
扬声器带有单通道或双通道输入选择器和锁定

Loudspeaker with single or dual channel input selector and lockout
摘要：
A dual purpose loudspeaker incorporating at least two audio signal inputs and at least one switch is adapted to receive and reproduce either a single audio signal input or two audio signal inputs according to the position of the switch. A switch slide mechanically linked to the switch is provided which blocks one of the audio signal inputs when the switch is in the single-channel position, thereby preventing erroneous connection to the blocked audio signal input.
摘要（中）：

包含至少两个音频信号输入和至少一个开关的双用途扬声器适于根据开关的位置接收和再现单个音频信号输入或两个音频信号输入。 提供机械地连接到开关的开关滑动件，其在开关处于单通道位置时阻止音频信号输入中的一个，从而防止与被阻止的音频信号输入的错误连接。

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