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:
Aug. 12, 2025

Filed:

Nov. 08, 2022
Applicant:

Nippon Telegraph and Telephone Corporation, Tokyo, JP;

Inventors:

Naoki Miura, Tokyo, JP;

Takeshi Sakamoto, Tokyo, JP;

Yuki Arikawa, Tokyo, JP;

Tsuyoshi Ito, Tokyo, JP;

Kenji Tanaka, Tokyo, JP;

Masaru Katayama, Tokyo, JP;

Yuta Ukon, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/413 (2006.01); H04L 45/021 (2022.01); H04L 45/302 (2022.01); H04L 49/9057 (2022.01);
U.S. Cl.
CPC ...
H04L 12/413 (2013.01); H04L 45/021 (2013.01); H04L 45/306 (2013.01); H04L 49/9057 (2013.01); H04L 2212/00 (2013.01);
Abstract

A data transfer device transfers a received packet. If the transfer destination of the received packet is a data processing device under control, the data transfer device (confirms the state of a shared bus, and if the shared bus is usable, transfers the packet to the data processing device of the transfer destination via the shared bus, gives the use right of the shared bus to one of the data processing devices in response to communication requirements from the data processing devices, and receives, via the shared bus, a packet from the data processing device given the use right.


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