The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 03, 2022
Filed:
Dec. 22, 2020
Norel Systems Limited, Tianjin, CN;
Yuanlong Wang, Tianjin, CN;
Miao Chen, Tianjin, CN;
NOREL SYSTEMS LIMITED, Tianjin, CN;
Abstract
The present invention discloses a dual-mode USB device, which includes a USB2.0 controller, a dual-mode USB2.0 interface module and a USB interface. The dual-mode USB device alternatively works in a USB2.0 standard mode or a USB2.0 extended mode. In the USB2.0 standard mode, DP and DM signals of the USB2.0 interface are connected to a remote USB interface by DC coupling, and is compatible with remote devices using USB2.0 standard signals and protocols; in the USB2.0 extended mode, DP and DM signals of the USB2.0 interface are connected to the remote USB interface by AC coupling, which is compatible with remote devices supporting the USB2.0 extended mode.