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    • 2. 发明授权
    • Multimedia adapter for headset amplifier
    • 用于耳机放大器的多媒体适配器
    • US07162016B1
    • 2007-01-09
    • US10150700
    • 2002-05-17
    • Peter SchmidtJeffrey S. JonesJohn MagnascoRon Van ThielPaul Espinola
    • Peter SchmidtJeffrey S. JonesJohn MagnascoRon Van ThielPaul Espinola
    • H04M11/00
    • H04M1/72527
    • An adapter apparatus for coupling a headset and an audio device to a telephone headset amplifier includes a first interface for sending and receiving audio signals with the telephone headset amplifier, a second interface for sending and receiving audio signals with the headset, a third interface for sending receiving audio signals with the audio device, and a switching circuit coupled to the three interfaces, wherein the switching circuit provides a communications link between at least two of the first interface, the second interface, and the third interface as a function of a selected mode. In a first mode, a communications link between the second interface and the third interface is established where the audio device either provides audio signals to or receives audio signals from the headset. In a second mode, a communications link between the first interface, the second interface, and the third interface is established where the audio device receives audio signals from the headset and from the telephone headset amplifier over the communications link. In a third mode, a communications link between the first interface, the second interface, and the third interface is established where the audio device provides audio signals to the headset and to the telephone headset amplifier over the communications link.
    • 用于将耳机和音频设备耦合到电话耳机放大器的适配器装置包括用于与电话耳机放大器发送和接收音频信号的第一接口,用于使用耳机发送和接收音频信号的第二接口,用于发送 与音频设备接收音频信号,以及耦合到三个接口的切换电路,其中切换电路根据所选择的模式在第一接口,第二接口和第三接口中的至少两个之间提供通信链路 。 在第一模式中,建立第二接口和第三接口之间的通信链路,其中音频设备向耳机提供音频信号或接收音频信号。 在第二模式中,建立第一接口,第二接口和第三接口之间的通信链路,其中音频设备从耳机和通过通信链路从电话耳机放大器接收音频信号。 在第三模式中,建立第一接口,第二接口和第三接口之间的通信链路,其中音频设备通过通信链路向耳机和电话耳机放大器提供音频信号。