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:
Jun. 12, 2007
Filed:
Jul. 17, 2001
Applicants:
Tatsuya Inokuchi, Kanagawa, JP;
Yoichiro Sako, Tokyo, JP;
Mitsuru Toriyama, Chiba, JP;
Inventors:
Assignee:
Sony Corporation, , JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 21/00 (2006.01); G06F 21/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of recording data from a recorder to a recording medium, where it is judged whether a terminal unit having user identification information recorded in memory therein is connected to the recorder. When the terminal unit is found connected, an encryption key is exchanged between the recorder and terminal unit, user identification information read from the memory of the terminal unit is encrypted with the exchanged encryption key, sent from the terminal unit to the recorder, and the encrypted user identification information is recorded to the recording medium.