USB Billboard Device Class定义描述了将设备支持的替代模式传送到主机端的方法。USB Billboard Device表明...
Type-C接口有两种连接模式：Alternate Mode﹝替代模式): 例如PD充电，影像传输（DP）；Billboard Device Class: 当支持Alternate Mode的装置连接到不支持的 Host装置时，Windows会跳出Billboard告知装置状态。当装置能够正确沟通且识别为Alternate mode的设备时，例如支持Type-C接口的屏幕在使用Type-C连接时，...
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A billboard device suitable for use in posting up a sheet of advertisement or guide bill in particular on the structure of a vehicle. The billboard device eliminates the necessity of using elastic material such as cardboard for sheets of bills and does not impair the design effect of bills....
BillboardDevice Class 当支持Alternate Mode的装置连接到不支持的Host装置时,Windows会跳出Billboard告知装置状态。Billboard的功能便在于告知使用状态,例如告知用户此装置无法支持Alternatemode。 何时会出现Billboard? 当装置能够正确沟通且识别为Alternate mode的设备时,例如支持Type-C接口的屏幕在使用Type-C连接时,设备管...
The USB Billboard Device indicates the failure of Alternate Mode entry. According toUSB Type-C specification, if a device fails to successfully enter an Alternate Mode within tAMETimeout (maximum of 1000 ms), then the device will minimally expose a USB 2.0 interface (USB Bil...
Billboard deviceThe invention relates to a billboard device suitable for use in posting a sheet of advertisement of guide bill, in particular, on the structure of a vehicle. The billboard device eliminates the necessity of using elastic material such as cardboard for sheets or bills and does ...
不固定。根据查询电子工程专辑EETimesChina显示，连接typec的设备都会出现这个。usb杠if规定的协议。
USB Billboard Device表明设备进入替代模式失败。根据USB Type-C规范, 如果一个设备在tAMETimeout (最大1000毫秒) 内未能成功进入替代模式,那么他会最小程度的把通过VBUS供电的USB 2.0接口 (USB Billboard设备类) 暴露给主机来表明进入替代模式失败。然后主机端显示连接了不支持的设备,从USB Billboard Device Class...
The invention relates to a billboard device suitable for use in posting a sheet of advertisement of guide bill, in particular, on the structure of a vehicle. The billboard device eliminates the necessity of using elastic material such as cardboard for sheets or bills and does not impair the...