Lighting apparatus facilitating reading
AssigneeUniversite De Rennes 1
InventorsAlbert Le Floch, Guy Ropars
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Abstract
The invention relates to a lighting device (LIGHT) of a graphic and/or textual content represented on any support and in particular of the paper type, characterized in that a light beam generated in a visible light spectrum is activated and periodically deactivated from the lighting device (LIGHT) according to successive cycles operated at a predetermined frequency (Fd) and in that the successive illumination periods each have a duration (T1) within a range of values from 15 to 30% of the duration (T) of the operated cycles.
Claims10
A lighting device for facilitating the reading of graphical and/or textual content printed on a medium, the lighting device comprising:
- a control unit;
- and
- a lighting module configured to provide illumination in a visible light spectrum, of the graphical and/or textual content printed on the medium, said control unit and said lighting module being configured to:
- periodically activate and deactivate said illumination in successive cycles operated at a predetermined frequency;
- and
- operate successive illumination periods each having a duration in a range of 15 to 30% of said successive cycles.
A lighting device for facilitating the reading of graphical and/or textual content printed on paper, the lighting device comprising:
- a control unit;
- and
- a lighting module configured to provide illumination in a visible light spectrum, of the paper and graphical and/or textual content printed thereon, said control unit and said lighting module being configured to:
- periodically activate and deactivate said illumination in successive cycles operated at a predetermined frequency;
- and
- operate successive illumination periods each having a duration in a range of 15 to 30% of said successive cycles.
Dependencies are inferred from the claim text.