Patents Assigned to Woc Co., Ltd
  • Patent number: 7503654
    Abstract: It is an object of the present invention to provide a pupillary reflex checking apparatus that enables a subject to check his own pupillary reflex and that keeps down cost and to provide a fatigue recovery facilitating apparatus that includes the pupillary reflex checking apparatus. The pupillary reflex apparatus of the present invention includes, as essential elements of its structure, a reflecting unit and a stimulus applying unit. Of these, the reflecting unit has a structure which includes an optical reflecting surface disposed in a plane that intersects with a visual axis of a subject such that an image of a pupil of a subject's eye is formed on the optical reflecting surface. Further, the stimulus applying unit applies a stimulus to induce the pupillary reflex in the subject. Specifically, it is possible to use a light source which gives a light stimulus to the subject's eye, such as an LED light source, an electric bulb, a strobe, or the like, as the stimulus applying unit.
    Type: Grant
    Filed: March 16, 2005
    Date of Patent: March 17, 2009
    Assignee: Woc Co., Ltd
    Inventor: Akio Nakagawa