Exterior mirror assembly with blind zone indicator

  • US 9,754,489 B1
  • Filed: 05/22/2017
  • Issued: 09/05/2017
  • Est. Priority Date: 09/28/2015
  • Status: Active Grant
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First Claim
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1. An exterior rearview mirror assembly suitable for use for a vehicle, the exterior rearview mirror assembly comprising:

  • a mirror reflective element;

    a mirror back plate attached at the rear of said mirror reflective element, wherein said mirror back plate is formed in a plastic injection molding operation, and wherein an aperture is formed through said mirror back plate;

    a blind zone indication module having a light source that is electrically activatable to emit light, wherein said blind zone indication module comprises a plastic housing formed in a plastic injection molding operation;

    wherein said blind zone indication module is disposed at said aperture formed through said mirror back plate, and wherein said light source is electrically activatable to emit light through said mirror reflective element;

    wherein said light source comprises at least one light emitting diode disposed at a circuit board of said blind zone indication module;

    wherein said circuit board comprises circuitry and electrically conductive terminals in electrical connection with circuitry of said circuit board, and wherein said electrically conductive terminals extend into a connector portion of said housing;

    wherein said connector portion, with said electrically conductive terminals therein, is configured to connect to a connector of a wire harness of the exterior rearview mirror assembly; and

    wherein said circuit board comprises a constant current circuit that provides a constant current output to said light source over a range of supply voltages provided by a power source of a vehicle equipped with the exterior rearview mirror assembly when the exterior rearview mirror assembly is attached at a side of the equipped vehicle.

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