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:
Feb. 08, 2011
Filed:
Aug. 23, 2007
Fumihiko Akahane, Nagano, JP;
Fumihiko Akahane, Nagano, JP;
Nidec Sankyo Corporation, , JP;
Abstract
A USB communication system, a USB device, and a method of error detection for the USB communication system; with which an error of any breaking of physical connection in USB communication can be detected no matter where the breaking happens, and furthermore an error due to logical communication disconnection can also be detected. In a USB communication system constructed by connecting a host apparatusand a card readerwith a USB cable, the card readermay include: means for executing a bus reset as a preprocessing for setting a logical connection line with the host apparatus, means for measuring a time while the card readeris in a bus reset status, and means for executing an operation of interrupting communication voluntarily according to a measuring result of the means for measuring the time.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile