Patent · US Active

USB device election of becoming a host after receiving information about device capability of the host

US8484394B2 · kind B2 · utility

6Cited by

3References

29Claims

0Family size

Assignee

Nokia · FI

Inventors

Michael Hubo · Hattingen, DE
Thomas Block · Wuppertal, DE
Daniel Bencak · Dortmund, DE
Christian Zechlin · Herne, DE

Key dates

Filing date	Apr 26, 2006
Grant date	Jul 9, 2013
Priority date	—
Expiry date	Jan 23, 2027

Classification

Technology area (CPC H)Electricity
CPC primaryH04M1/72409
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

In the case of a universal serial bus (USB) connection, a host detects a connection of a peripheral to the host via a USB interface of the host. The host then generates an informative command, which includes information on capabilities of the host. This informative command is provided for transmission via the USB interface to the peripheral. The peripheral receives the informative command and may for instance evaluate the included information for selecting a suitable USB mode that is to be entered or for deciding on becoming a host itself. Alternatively or in addition, the host may generate a request command for retrieving information on all classes offered in all USB modes of a peripheral.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.