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:
Jan. 15, 2008
Filed:
May. 22, 2001
Hezi Friedman, Ramat Hasharon, IL;
Gadi Erlich, Mosha Hadar Am, IL;
Ohad Falik, Kfar Saba, IL;
Daivid Briet, Nof Ayalon, IL;
Hezi Friedman, Ramat Hasharon, IL;
Gadi Erlich, Mosha Hadar Am, IL;
Ohad Falik, Kfar Saba, IL;
Daivid Briet, Nof Ayalon, IL;
National Semiconductor Corporation, Santa Clara, CA (US);
Abstract
An apparatus and method for providing a secure universal serial bus (USB) is disclosed. The secure USB comprises a secure channel for transferring data. A secure USB domain device is coupled to a host computer or is embedded within a host computer. The secure USB domain device comprises a USB memory device, a USB processor, a USB host controller, and an internal USB bus coupled to each of the elements of the secure USB domain device. The elements of the secure USB domain device are not accessible by the host computer. The secure USB domain device blocks the transmission of confidential information, enables the transmission of non-confidential information, and enables the transmission of encrypted confidential information.