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. 03, 2026

Filed:

Feb. 28, 2023
Applicant:

Hitachi Astemo, Ltd., Hitachinaka, JP;

Inventors:

Yuji Oishi, Tokyo, JP;

Koji Maeda, Hitachinaka, JP;

Assignee:

Hitachi Astemo, Ltd., Hitachinaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 47/6275 (2022.01); H04L 47/28 (2022.01); H04L 67/12 (2022.01);
U.S. Cl.
CPC ...
H04L 47/6275 (2013.01); H04L 47/28 (2013.01); H04L 67/12 (2013.01);
Abstract

A communication device includes a classification unit that classifies received frames into a plurality of classes, a queueing unit that buffers the frames for each of the classes, a gate unit that opens/closes the frames, a scheduling unit that determines the open/closed state and sets a guard band as a transmission inhibition period at a proximity of a gate open state end time, to ensure a transmission timing of another class, and a transmission unit that transmits the frame passed through by the gate unit. The scheduling unit sets a guard band width corresponding to a frame maximum length, and controls the open/closed state to ensure the guard band width.


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Oishi, Yuji. (2026). Communication device and in-vehicle electronic device (U.S. Patent No. 12786135). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12786135

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