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:
Mar. 08, 2022

Filed:

Dec. 14, 2016
Applicant:

Mitsubishi Electric Corporation, Tokyo, JP;

Inventor:

Naoyuki Hibara, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/08 (2006.01); G06F 21/60 (2013.01); H04L 9/14 (2006.01); H04L 29/06 (2006.01);
U.S. Cl.
CPC ...
H04L 9/0869 (2013.01); G06F 21/602 (2013.01); H04L 9/14 (2013.01); H04L 63/0428 (2013.01);
Abstract

A communication adapter includes: an input unit receiving an operation for requesting transition to a setting mode; a mode setting unit setting a communication mode to the setting mode when the input unit receives the operation for requesting transition to the setting mode; a character string generation unit generating a random character string when receiving a connection start request from a terminal in the setting mode; an image generation unit converting the random character string into image data indicating an image that is difficult for a machine to recognize; an encryption processing unit encrypting transmission data to be transmitted to the terminal using the random character string as an encryption key, and decrypting reception data received from the terminal using the random character string; and a communication processing unit transmitting the image data and the encrypted transmission data to the terminal, and receiving the reception data from the terminal.


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