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.

Date of Patent:
Oct. 30, 2012

Filed:

Feb. 13, 2008
Applicants:

Akimichi Ogawa, Kanagawa, JP;

Seiji Miyama, Tokyo, JP;

Atsushi Onoe, Kanagawa, JP;

Inventors:

Akimichi Ogawa, Kanagawa, JP;

Seiji Miyama, Tokyo, JP;

Atsushi Onoe, Kanagawa, JP;

Assignee:

Sony Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

An information processing apparatus for receiving broadcast data and outputting the received data to a client connected to a network includes a broadcast receiving unit that receives broadcast data; an encryption processor that performs encryption processing on the broadcast data received by the broadcast receiving unit; a data accumulation unit that accumulates encrypted data generated by the encryption processor; a data transmission unit that generates a communication packet in which encrypted data accumulated in the data accumulation unit is stored and outputs the generated communication packet; and a transmission data controller that monitors a retained state of the encrypted data in the data accumulation unit and removes, if a state different from a predetermined allowable retained state is detected, at least part of the encrypted data accumulated in the data accumulation unit from transmission data.


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