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Cubicle unit, transportation vehicle, and illumination control method

  • US 10,357,584 B2
  • Filed: 04/12/2017
  • Issued: 07/23/2019
  • Est. Priority Date: 04/18/2016
  • Status: Active Grant
First Claim
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1. A cubicle unit comprising:

  • sidewalls, ceiling, and flooring which form a cubicle;

    a toilet pan placed in the cubicle;

    a first illumination apparatus which emits light to illuminate an interior of the cubicle, the first illumination apparatus being placed on the ceiling or one of the sidewalls;

    a second illumination apparatus which emits light to illuminate a floor surface of the cubicle, the floor surface being part of the flooring, the second illumination apparatus being placed at a position lower than a top end of the toilet pan in the cubicle;

    a sensor which senses a brightness outside the cubicle; and

    a controller which(i) causes, when the brightness sensed by the sensor is a predetermined brightness or less, the second illumination apparatus to emit light having a first color temperature lower than a color temperature of light emitted by the first illumination apparatus, and(ii) causes, when the brightness sensed by the sensor is greater than the predetermined brightness, the second illumination apparatus to emit light having a second color temperature higher than the first color temperature.

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