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:
Jan. 07, 2020

Filed:

Sep. 06, 2016
Applicant:

Toshiba Memory Corporation, Minato-ku, JP;

Inventors:

Yosuke Bando, Yokohama, JP;

Masahiro Ishiyama, Kawasaki, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); H04B 7/155 (2006.01); H04W 12/04 (2009.01); H04W 12/06 (2009.01);
U.S. Cl.
CPC ...
H04L 63/0876 (2013.01); H04L 63/123 (2013.01); H04B 7/15521 (2013.01); H04W 12/04 (2013.01); H04W 12/06 (2013.01);
Abstract

According to one embodiment, a communication apparatus is provided. The communication apparatus receives first content including first additional information from a first terminal, generates second additional information, adds the second additional information to second content, and transmits the second content to a second terminal. The second additional information includes an authentication code unique to blocks in the second content and the communication apparatus and a signature unique to the authentication code. The communication apparatus generates receipt information and transmits the receipt information to an external apparatus when a transmission source of the first content is verified to be the first terminal based on the first additional information.


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