The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 21, 2021
Filed:
Apr. 15, 2019
Midori Kawano, Tokyo, JP;
Midori Kawano, Tokyo, JP;
Other;
Abstract
To provide a lighting device capable of producing a more unique space, and particularly to provide a lighting device in which, when an exhibit or the like (an article) is arranged in portions where spot lights to be respectively irradiated from light projection means interfere with each other, two or more shadows having different hues appear from the exhibit or the like (the article) while the exhibit or the like (the article) is being illuminated with a monochromatic light, the lighting device has a function of irradiating respective spot lights in two or more colors, and includes two or more light projection means for respectively irradiating the spot lights, in which the light projection means are respectively provided at positions spaced 5 cm or more apart from each other, and the spot lights to be irradiated from the light projection means respectively include portions that interfere with each other.