An operation-sound generator which can output an operation-sound similar to a hit-sound of a mechanical relay with sound pressure in which a driver is recognizable is provided. A microcomputer supplies a plurality of first pulse sequences to the buzzer at intervals during a lighting period of turning on the direction indicator lamp or the hazard lamp, each of the first pulse sequences having a pulse number differing from each other, a same pulse width, and a same duty, in an order gradually reducing the pulse number. The pulse number of each of the first pulse sequences is set so that the output of each of the first pulse sequences is finished before stationary vibration of the buzzer is performed. Furthermore, after the output of the first pulse sequence is finished, the microcomputer starts the output of next the first pulse sequence before the vibration of the buzzer is stopped.


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    Title :

    Operation-sound generator


    Contributors:

    Publication date :

    2016-10-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein / B06B GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL , Erzeugen oder Übertragen mechanischer Schwingungen allgemein



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