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. 08, 2007
Filed:
Jan. 13, 2006
Tom Learmonth, Santa Ana, CA (US);
Gary Kung, Santa Ana, CA (US);
Tom Learmonth, Santa Ana, CA (US);
Gary Kung, Santa Ana, CA (US);
I/O Interconnect Inc., Santa Ana, CA (US);
Abstract
The present invention relates to a Universal Serial Bus On-The-Go apparatus, which comprises: a USB OTG controller; at least one port switching device, coupled to said USB OTG controller for switching a host role or a slave role connected to it, respectively; a first receptacle, coupled to said port switching device for connecting to a first USB device; a second receptacle, coupled to said switching device for connecting to a second USB device; and a state machine logic, coupled to said USB OTG controller for selectively enabling said port switching device by a pre-determined priority and sensing plug-in activity to said first receptacle or second receptacle.