公开(公告)号：US07899946B2

公开(公告)日：2011-03-01

申请号：US12008582

申请日：2008-01-11

申请人： Itay Sherman ,  Eyal Miller

发明人： Itay Sherman ,  Eyal Miller

IPC分类号： G06F3/00 ,  G06F13/00

CPC分类号： G06F13/4068 ,  G06F2213/0042 ,  H04M1/0254 ,  H04M1/72527 ,  H04M1/72575 ,  Y02D70/122

摘要： An analog/digital switching circuit for connecting a primary electronic device to a peripheral electronic device, including D+ and D− signal lines connected to a primary electronic device, a first analog/digital switch connected to the D+ signal line, for multiplexing an input D+ signal to an output USB data signal or audio left or right signal, the multiplexed signal feeding into a peripheral device connector for connecting the primary device to a peripheral electronic device, a second analog/digital switch connected to the D− signal line, for multiplexing an input D− signal to an output USB data signal or audio right or left signal, the multiplexed signal feeding into the peripheral device connector, a headset left signal line connected to the primary device and to the output audio left signal of the first analog/digital switch, a headset right signal line connected to the primary device and to the output audio right signal of the second analog/digital switch, a first USB signal line connected to a USB connector and to the output USB data signal of the first analog/digital switch, a second USB signal line connected to the USB connector and to the output USB data signal of the second analog/digital switch, and an amplifier that amplifies the output audio left signal and the output audio right signal at gain levels appropriate for (i) a headset connected to the primary device, (ii) a speaker connected to the peripheral device, and (iii) an earpiece connected to the peripheral device.

摘要翻译： 一种用于将主电子设备连接到外围电子设备的模拟/数字切换电路，包括连接到主电子设备的D +和D-信号线，连接到D +信号线的第一模拟/数字开关，用于复用输入D + 信号到输出USB数据信号或音频左或右信号，多路复用信号馈送到用于将主设备连接到外围电子设备的外围设备连接器，连接到D-信号线的第二模拟/数字开关，用于多路复用 对输出USB数据信号或音频右或左信号的输入D-信号，馈送到外围设备连接器的多路复用信号，连接到主设备的耳机左信号线和第一模拟/ 数字开关，连接到主设备的耳机右信号线和第二模拟/数字开关的输出音频右信号，第一USB信号 l线连接到USB连接器和第一模拟/数字开关的输出USB数据信号，连接到USB连接器的第二USB信号线和第二模拟/数字开关的输出USB数据信号，以及放大器 以增益水平放大输出音频左信号和输出音频权信号，该增益电平适合于（i）连接到主设备的耳机，（ii）连接到外围设备的扬声器，以及（iii）连接到外围设备的耳机 设备。