公开(公告)号：US20040103223A1

公开(公告)日：2004-05-27

申请号：US10304883

申请日：2002-11-26

Applicant: MOTOROLA, INC.

Inventor： William A. Gabehart ,  Reginald E. Richardson

IPC: G06F003/00

CPC classification number: G06F13/385 ,  G06F2213/0042

Abstract: A Universal Serial Bus (USB) adaptor (16, 16null, 16null), compatible with standard USB connectors, provides a simplified interface between a portable communications device (12) and a USB accessory (14, 14null). An encoder (28) provides an operating state to the portable communications device (12), enabling the portable communications device (12) to perform as either a USB host or a USB function accessory. A function adaptor (16null) selects its DC power source and is capable of providing DC power to a function accessory (14null). The host adaptor (16) can obtain DC power from a host accessory (14), according to USB standards.

Abstract translation: 与标准USB连接器兼容的通用串行总线（USB）适配器（16,16'，16“）提供便携式通信设备（12）和USB附件（14,14”）之间的简化接口。 编码器（28）向便携式通信设备（12）提供操作状态，使便携式通信设备（12）能够执行为USB主机或USB功能附件。 功能适配器（16'）选择其直流电源并且能够向功能附件（14'）提供直流电力。 主机适配器（16）可以根据USB标准从主机附件（14）获得直流电力。