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:
Nov. 10, 2020
Filed:
Nov. 20, 2017
Orange, Paris, FR;
Philippe Dussaume, Châtillon, FR;
Micheline Perrufel, Châtillon, FR;
Christophe Cutullic, Châtillon, FR;
ORANGE, Paris, FR;
Abstract
A lighting device includes at least one first fixed light source dedicated to lighting, at least one second light source dedicated to data transmission by light modulation, and first and second refractor optical devices positioned respectively with respect to the first and second light sources, so as to sense the light emitted by said sources and form respectively first and second distinct light beams, said second light beam delimiting a data transmission zone. The lighting device also includes a variator of the brightness and/or the color of the first light beam, which is accentuates or decreases the visibility of the data transmission zone delimited by said second light beam, according to the availability or the unavailability respectively of the data transmission service in the data transmission zone.