US Patent 7193442 USB 1.1 for USB OTG implementation

Patent 7193442 was granted and assigned to Texas Instruments on March, 2007 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Texas Instruments

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7193442

Patent Inventor Names

Xiaoming Zhu0

Date of Patent

March 20, 2007

Patent Application Number

10945286

Date Filed

September 20, 2004

Patent Primary Examiner

‌

Glenn A. Auve

Patent abstract

This invention enables a USB 1.1 device and a USB 1.1 host to communicate seamlessly with a USB OTG device. The invention complies with both USB 1.1 and OTG specifications. The invention includes the USB 1.1 host, USB 1.1 device and mixed signal circuits to implement USB OTG functions. The mixed signal components are controlled by the USB 1.1 device microcontroller. The invention is a cost effective implementation compared to a custom ASIC design for USB OTG implementation.

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