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SENSOR AND FASTENER

  • US 20150099982A1
  • Filed: 09/10/2014
  • Published: 04/09/2015
  • Est. Priority Date: 10/04/2013
  • Status: Active Grant
First Claim
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1. A sensor which is adapted to attach to a head of a subject comprising:

  • a first fastener that includes a first end portion and a second end portion and extends into an arc-shape;

    a first coupling portion that is disposed on an inner circumference side of the first fastener;

    a second fastener that includes a first side and a second side, and a first through hole and a second through hole;

    a second coupling portion that is disposed on the first side of the second fastener, and attachable to and detachable from the first coupling portion;

    a light emitter that is disposed on the first side of the second fastener, and opposed to the first through hole; and

    a light detector that is disposed on the first side of the second fastener, and opposed to the second through hole,wherein the first fastener has an elasticity which allows a gap between the first end portion and the second end portion to be expanded,the first coupling portion is placed at a position which is opposed to a forehead of the subject when the sensor is attached to the head of the subject,the first end portion and the second end portion are placed on a back of the head of the subject when the sensor is attached to the head of the subject, and,when the first coupling portion and the second coupling portion are coupled to each other, the light emitter and the light detector are disposed between the first fastener and the second fastener.

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