Vehicle headlamp control utilizing a light sensor having at least two light transducers

  • US 7,361,875 B2
  • Filed: 05/27/2004
  • Issued: 04/22/2008
  • Est. Priority Date: 01/25/1999
  • Status: Expired due to Fees
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First Claim
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1. A vehicular automatic exterior light control system comprising:

  • a non-imaging light sensor for sensing light levels, said light sensor comprising an integrated circuit comprising a first light transducer, a second light transducer, and another electronic component; and

    a control circuit coupled to said light sensor for generating an exterior light control signal as a function of the light levels sensed by said light sensor,wherein said light sensor further comprises a lens for redirecting light onto at least one of said light transducers, and wherein said light sensor farther comprises an infrared filter,wherein said light sensor further comprises an encapsulant material disposed over said integrated circuit, wherein a surface of said encapsulant material defines said lens.

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