G - Physics – 01 – R
Patent
G - Physics
01
R
G01R 31/07 (2006.01) G01R 31/00 (2006.01)
Patent
CA 2355169
An apparatus for diagnosing and indicating operational failure in automobiles includes a diagnostic circuit for receiving signals input through wiring at both ends of each fuse and wiring of a relay in a fuse box or junction box installed in an automobile and diagnosing operation failure by detecting a change in the logic value of the input signal, and an output device for receiving the result of diagnosis from the diagnostic circuit and outputting signals indicating the location of a defective fuse or relay. Thus, a driver having little knowledge of car maintenance can easily take actions for repair or an emergency measure of automobiles according to the result of diagnosis of operational failure of the automobile informed in an audio-visual manner. Also, automobile repair experts or shops can save time needed for diagnosing and performing accurate repair using the apparatus for diagnosing and indicating operational failure in automobiles according to the present invention.
L'invention porte sur un appareil de diagnostic et de signalisation des pannes d'automobiles comportant: un circuit de diagnostic recevant (par l'intermédiaire de conducteurs) des signaux des deux extrémités de chaque fusible et d'un relais placé dans un coffret à fusible ou une boîte de jonction d'automobile, et diagnostiquant les pannes en détectant les variations de la valeur logique des signaux reçus; et un dispositif de sortie recevant le résultat du circuit de diagnostic et émettant des signaux indiquant l'emplacement du fusible ou du relais défectueux. Ainsi, un conducteur sachant peu de l'entretien peut effectuer rapidement la réparation, ou prendre des mesures d'urgence en fonction du diagnostic qui lui est présenté de manière auditive et visuelle. C'est aussi pour les garagistes un gain de temps sur le diagnostic et les réparations.
Hwang Chang Sun
Kim Do Hyoung
Ridout & Maybee Llp
Yuiltech Co. Ltd.
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