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:
Sep. 09, 2025

Filed:

Jun. 27, 2023
Applicant:

Honda Motor Co., Ltd., Tokyo, JP;

Inventors:

Daisuke Saito, Tokyo, JP;

Yuki Hirono, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/40 (2022.01); H04L 67/12 (2022.01);
U.S. Cl.
CPC ...
H04L 63/1416 (2013.01); H04L 63/1483 (2013.01); H04L 67/12 (2013.01);
Abstract

A signal detection apparatus includes a signal detection unit which detects signals expected to be input to a communication network in a predetermined cycle, and a determination unit which determines whether detection timing of a second signal detected by the signal detection unit after a first signal which is set as a reference signal for determining an illegal signal is in a predetermined range within which reference timing falls among the signals detected by the signal detection unit, and whether a shift between the detection timing of the second signal and the reference timing is a first threshold or less, in which the determination unit sets the second signal as the reference signal when the shift is the first threshold or less, and sets the first signal as the reference signal without setting the second signal as the reference signal when the shift exceeds the first threshold.


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