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:
Nov. 19, 2013

Filed:

Jun. 13, 2005
Applicants:

Shuichi Sato, Osaka, JP;

Yasuo Hamamoto, Osaka, JP;

Hiroshi Hayashino, Hyogo, JP;

Kazuhiro Ohta, Hyogo, JP;

Yosuke Ukita, Osaka, JP;

Hironori Nakae, Osaka, JP;

Yoshitaka Ohta, Osaka, JP;

Inventors:

Shuichi Sato, Osaka, JP;

Yasuo Hamamoto, Osaka, JP;

Hiroshi Hayashino, Hyogo, JP;

Kazuhiro Ohta, Hyogo, JP;

Yosuke Ukita, Osaka, JP;

Hironori Nakae, Osaka, JP;

Yoshitaka Ohta, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04W 4/00 (2009.01);
U.S. Cl.
CPC ...
Abstract

A wireless slave device for performing wireless network communication with another wireless slave device, the other wireless slave device being connected to a terminal, and wired network communication with a terminal, the wireless slave device including a wireless reception unit that wirelessly receives a notification frame including a MAC address of the terminal connected to the other wireless slave device and a MAC address of the other wireless slave device, a storage unit that associates and stores the MAC address of the other wireless slave device and the MAC address of the terminal both included in the wirelessly received notification frame, a wire reception unit that receives a frame transmitted from the terminal connected to the wireless slave device, and a filtering unit that discards the frame if the transmission destination MAC address of the frame received by wire does not match the MAC address stored in the storage unit.


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