Patents by Inventor Derek C. Lightbody

Derek C. Lightbody has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5483424
    Abstract: A light apparatus is provided for illuminating a subject with "soft light", i.e., diffused light that does not cast a defined shadow. The apparatus includes lamp holder (16), a lamp (14), a reflector (12) for reflecting light from the lamp towards the subject, a diffuser or a baffle (23) located in front of the lamp for preventing light from the lamp from passing directly onto the subject. The reflector has a reflecting surface at least 500 mm in diameter and composed of a plurality of convex light-reflecting elements less than 20 mm in diameter. The light reflecting elements (28) constitute at least 90% (by area) of the reflecting surface.
    Type: Grant
    Filed: October 14, 1994
    Date of Patent: January 9, 1996
    Assignee: Optical & Textile Limited
    Inventor: Derek C. Lightbody