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USB COMMUNICATION SYSTEM, USB DEVICE, AND METHOD OF ERROR DETECTION FOR USB COMMUNICATION SYSTEM

机译：USB通信系统，USB设备以及用于USB通信系统的错误检测方法

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摘要

A USB communication system, a USB device, and a method of error detection for the USB communication system; with which an error of any breaking of physical connection in USB communication can be detected no matter where the breaking happens, and furthermore an error due to logical communication disconnection can also be detected. ;In a USB communication system constructed by connecting a host apparatus 2 and a card reader 1 with a USB cable 3, the card reader 1 may include: means for executing a bus reset as a preprocessing for setting a logical connection line with the host apparatus 2, means for measuring a time while the card reader 1 is in a bus reset status, and means for executing an operation of interrupting communication voluntarily according to a measuring result of the means for measuring the time.

机译：USB通信系统，USB设备以及用于该USB通信系统的错误检测方法;这样，无论在何处发生中断，都可以检测到USB通信中物理连接的任何断开错误，此外，还可以检测到由于逻辑通信断开而引起的错误。 ;在通过使用USB电缆 3 连接主机设备 2 和读卡器 1 构成的USB通信系统中，读卡器 1 可以包括：用于执行总线复位的装置，作为用于设置与主机设备 2 的逻辑连接线的预处理，用于测量读卡器 1的时间的装置。处于总线复位状态，并且用于根据用于测量时间的装置的测量结果来自动执行中断通信的操作的装置。 展开▼

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公开/公告号US2008059661A1

专利类型

公开/公告日2008-03-06

原文格式PDF

申请/专利权人 FUMIHIKO AKAHANE;
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申请/专利号US20070844028

发明设计人 FUMIHIKO AKAHANE;
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申请日2007-08-23

分类号G06F3;

国家 US

入库时间 2022-08-21 20:10:33

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