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.:

US 7814555 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 12, 2010

Filed:

Mar. 31, 2006
Applicants:

Kiyotaka Iwamoto, Uji, JP;

Tomomi Nagata, Takatsuki, JP;

Inventors:

Kiyotaka Iwamoto, Uji, JP;

Tomomi Nagata, Takatsuki, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 7/04 (2006.01); G06F 17/30 (2006.01); H04N 7/16 (2006.01);
U.S. Cl.
CPC ...
Abstract

Upon receiving an input of a request to move data to an external recording medium, a first information apparatus: transfers to record contents data after performing conversion under compression; encrypts the contents data and stores it in a concealment area of an internal recording medium; transfers to record the contents management information containing key information to the external recording medium; and deletes the encryption key. A second information apparatus: obtains the contents management information from the external recording medium and searches the network; obtains the encrypted contents data from the first information apparatus that holds the contents data concerned; and decrypts the encrypted contents data by using the encryption key contained in the contents management information.


Find Patent Forward Citations

Iwamoto, Kiyotaka. (2010). Information network system and information apparatus (U.S. Patent No. 7814555). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7814555

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…