An output sound abnormality detection apparatus includes an output sound generation circuit configured to generate a first sound and a second sound, the first sound being an output target and the second sound having same content as content of the first sound; an amplifier configured to amplify and output the first sound and the second sound; a comparator configured to compare signal levels of the first sound and the second sound output from the amplifier; and an abnormality determination circuit configured to determine whether there is an abnormality in one or both of the first sound generated by the output sound generation circuit and the amplifier based on a comparison result obtained by the comparator.
OUTPUT SOUND ABNORMALITY DETECTION APPARATUS
2025-04-03
Patent
Electronic Resource
English
IPC: | B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion |
European Patent Office | 2022
|European Patent Office | 2024
|ABNORMALITY DETECTION METHOD, ABNORMALITY DETECTION APPARATUS, AND ABNORMALITY DETECTION SYSTEM
European Patent Office | 2020
|ABNORMALITY DETECTION APPARATUS, ABNORMALITY DETECTION METHOD, AND ABNORMALITY DETECTION SYSTEM
European Patent Office | 2019
|ABNORMALITY DETECTION APPARATUS, ABNORMALITY DETECTION METHOD, AND ABNORMALITY DETECTION SYSTEM
European Patent Office | 2019
|