ACOUSTIC DEVICE FOR VEHICLE

PROBLEM TO BE SOLVED: To quickly grasp a fault state caused in an acoustic device for vehicle in the past and to highly support fault diagnosis. SOLUTION: When fault is detected in a prescribed first operation control function by self-diagnosing first and second acoustic reproducing units 20 and 30,...

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Bibliographische Detailangaben
Hauptverfasser:	SHOJI FUTOSHI, HASEGAWA TSUTOMU, MUTSUURA KIYOSHI, FUJIWARA AKIHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER PERFORMING OPERATIONS PHYSICS TRANSPORTING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To quickly grasp a fault state caused in an acoustic device for vehicle in the past and to highly support fault diagnosis. SOLUTION: When fault is detected in a prescribed first operation control function by self-diagnosing first and second acoustic reproducing units 20 and 30, a device code, a product code, and an error code are stored in a non-volatile memory 48 in a control unit 40. After that, when the prescribed first operation is performed by a control panel 10 for grasping the fault state, the stored codes are displayed successively on a panel display device 12. Also, when the prescribed second operation is performed, the stored codes are outputted by the display device and a loudspeaker 50 in order to support the fault judgment work of the prescribed second operation control function in accordance with its operation.