Patent ID: 6452337
Filing Date: 2002-09-17
Classification: B60Q

Abstract:
A lamp circuit for an automobile, including a lamp circuit which complies with a DRL illumination for a low beam lamp and a high beam lamp in a head lamp, said lamp circuit comprising:a DRL controller, a lamp switch box, a relay, at least one low beam lamp, at least one high beam lamp, an ignition switch, an engine rotation signal output component, and a battery; said relay being provided with a common contact point, two contact points which are normally open, and two coils; said common contact point being connected with the battery, either one of said two contact points being connected with said at least one low beam lamp, the other of said two contact points being connected with said at least one high beam lamp, respectively, and said two coils being connected with said DRL controller; said DRL controller being connected in such a manner that respective signals from said lamp switch box, said ignition switch, and said engine rotation signal output component are entered in said DRL controller; wherein said contact point connected with one of said at least one low beam lamp and said at least one high beam lamp is closed and the DRL is illuminated as a result of energizing one of said two coils of said relay, when signals from said ignition switch and said engine rotation signal output component are entered in said DRL controller; and, the other of said two coils of said relay being energized according to the signal when a signal from said lamp switch box is entered to the DRL controller, and the other of said at least one low beam lamp and said at least one high beam lamp is illuminated as a result of closing said relay which corresponds to the other of said two coils.