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Headlight circuit for an automobile

  • US 6,262,537 B1
  • Filed: 03/22/2000
  • Issued: 07/17/2001
  • Est. Priority Date: 03/23/1999
  • Status: Expired due to Term
First Claim
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1. A lamp circuit for lighting a head lamp and a high beam lamp of an automobile, said lamp circuit comprising:

  • a first lamp circuit including a common circuit, an ordinary lighting circuit, and a daylight running lighting circuit;

    a second lamp circuit connected to said first lamp circuit;

    a portion of said common circuit being connected to positive and negative sides of the head lamp and the high beam lamp on one side of the automobile;

    wherein when the automobile is configured for ordinary lighting conditions, a remaining portion of said common circuit is connected to circuit elements for ordinary lighting and the second lamp circuit, said ordinary lighting circuit connects the common circuit, as connected to the positive side of the high beam lamp, with the circuit elements for ordinary lighting, and the daylight running lighting circuit does not form any circuit; and

    ;

    wherein when the automobile is configured for daylight running lighting, said remainder of said common circuit and said daylight running lighting circuit are connected to circuit elements for daylight running lighting and said second lamp circuit, and said ordinary lighting circuit does not form any circuit.

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