Vehicle headlamp with daytime running light
First Claim
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1. A vehicle headlamp, comprising:
- a light source;
a reflector to direct light received from the light source out of the headlamp;
a movable shade configured to surroundably shield the light source and linearly positionable to adjustably limit the amount of light received by the reflector directly from the light source; and
a shade driver coupled to the movable shade to position the shade, wherein;
a first shade position configures the headlamp for high beam lighting, a second shade position configures the headlamp for low beam lighting, and a third shade position configures the headlamp for daytime running lights.
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Abstract
A vehicle headlamp. The headlamp comprises a light source and a reflector to direct light received from the light source out of the headlamp. A movable shade is positionable to control the light received by the reflector. A shade driver is coupled to the movable shade to position the shade. A first shade position configures the headlamp for high beam lighting. A second shade position configures the headlamp for low beam lighting. A third shade position configures the headlamp for daytime running lights.
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Citations
24 Claims
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1. A vehicle headlamp, comprising:
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a light source;
a reflector to direct light received from the light source out of the headlamp;
a movable shade configured to surroundably shield the light source and linearly positionable to adjustably limit the amount of light received by the reflector directly from the light source; and
a shade driver coupled to the movable shade to position the shade, wherein;
a first shade position configures the headlamp for high beam lighting, a second shade position configures the headlamp for low beam lighting, and a third shade position configures the headlamp for daytime running lights. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A vehicle headlamp, comprising:
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a light source;
a reflector to direct light received from the light source out of the headlamp;
a movable shade configured to surroundably shield the light source and linearly positionable to adjustably limit the amount of light received by the reflector directly from the light source; and
a shade driver to position the movable shade, the shade driver comprising a drive member that is coupled to the movable shade and is further commonly coupled to a pair of motors, wherein;
a first shade position configures the headlamp for high beam lighting, a second shade position configures the headlamp for low beam lighting, and a third shade position configures the headlamp for daytime running lights. - View Dependent Claims (15, 16, 17)
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18. A vehicle headlamp, comprising:
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a light source;
a reflector to direct light received from the light source out of the headlamp;
a pair of generally concentric movable shades comprising an inner shade and an outer shade, the shades being independently positionable to control the light received by the reflector; and
a shade driver to position the movable shades, the shade driver comprising;
a first drive member coupled to a first motor and the inner shade, and a second drive member coupled to a second motor and the outer shade, wherein;
a first position of the inner and outer shades configures the headlamp for high beam lighting, a second position of the inner and outer shades configures the headlamp for low beam lighting, and a third position of the inner and outer shades configures the headlamp for daytime running lights. - View Dependent Claims (19, 20, 21, 22, 23)
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24. A method for controlling the light emitted by a vehicle headlamp, comprising the steps of:
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providing a light source;
positioning a reflector proximate the light source to direct light emitted by the light source out of the headlamp;
linearly positioning proximate the light source a movable shade configured to surroundably shield the light source; and
adjusting the movable shade to limit the amount of light received by the reflector directly from the light source wherein;
a first shade adjustment position configures the headlamp for high beam lighting, a second shade adjustment position configures the headlamp for low beam lighting, and a third shade adjustment position configures the headlamp for daytime running lights.
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Specification