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. 25, 2005
Filed:
Mar. 18, 2002
Toshiyasu Morita, Redwood City, CA (US);
Shumpei Kawasaki, Los Altos Hills, CA (US);
Toshiyasu Morita, Redwood City, CA (US);
Shumpei Kawasaki, Los Altos Hills, CA (US);
Hitachi Semiconductor (America) Inc., San Jose, CA (US);
Abstract
A storage card includes non-volatile memory; an authentication engine capable to authenticate a password and transmit authorization to read from and write to files; a file system, coupled to the authentication engine, capable to receive file commands from a computer, receive authorization from the authentication engine, and to transmit file instructions; and a sector driver, coupled to the file system and the memory, capable to read from and write to the memory in response to the instructions received from the file system.