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热词
    • 10. 发明授权
    • Card reader and method of use thereof
    • 读卡器及其使用方法
    • US08925817B2
    • 2015-01-06
    • US13986729
    • 2012-11-04
    • ID Tech
    • Zheng ZhouGuo Qiang MuZheng DaiGe Jiang
    • G06K7/08H03M1/12
    • G06K7/084G06F3/165G06F13/4068G06K7/082H03M1/124H04L9/0816H04L2209/24
    • An integrated circuit that communicates with a host device via audio channels includes an interfacing circuit that receives and transmits analog signals on the audio channels. Such audio channels are designed for audio speakers and microphones and the interfacing circuit transmits digital data based on the received analog signals. The integrated circuit includes a processing device that is electrically coupled to the interfacing circuit. The processing device receives the digital data from the interfacing circuit and adjusts at least one parameter of the interfacing circuit based on the received digital data. The interfacing circuit receives the digital data from the processing device and transmits analog signals on at least one of the audio channels based on the at least one adjusted parameter.
    • 经由音频通道与主机设备进行通信的集成电路包括接口电路,其在音频通道上接收和发送模拟信号。 这种音频通道被设计用于音频扬声器和麦克风,并且接口电路基于所接收的模拟信号传输数字数据。 集成电路包括电耦合到接口电路的处理装置。 处理装置从接口电路接收数字数据,并根据接收的数字数据调整接口电路的至少一个参数。 接口电路从处理设备接收数字数据,并且基于至少一个经调整的参数在至少一个音频通道上发送模拟信号。