Orange

France Telecom

Micheline Perrufel

Philippe Dussaume

Sylvain Leroux

Christophe Cutullic

Olivier Bouchet

Olivier Helaine

Laurent Marchou

Christian Lecoq

The invention relates to a communication device comprising a docking station and a central processing unit. The docking station comprises a plurality of photoreceptors and a plurality of light sources interjacent with the photoreceptors. The plurality of photoreceptors and the plurality of light sources are suitable for visible light communication (VLC). The central processing unit is configured for obtaining an initialization signal, selecting a portion of the plurality of light sources of the docking station, ordering an emission of a pairing signal, obtaining a response signal, and ordering a pairing of the terminal with a portion of the plurality of photoreceptors of the docking station and with a portion of the plurality of light sources of the docking station.

Device and mechanism for automatic VLC-lamp selection

A communication device designed for an interior compartment, for example of a motor vehicle. The device includes a radiofrequency communication module and an interface module which is operationally coupled to the radiofrequency communication module in order to receive a digital signal generated by the radiofrequency communication module, and to modulate an electric power supply signal for at least one lamp, according to the digital signal, in order to generate a modulation of light emitted by the lamp according to the digital signal received from the radiofrequency communication module.

Communication device designed for interior compartments, particularly of motor vehicles

A terminal is described, along with a method for data processing carried out by the terminal, for communication via a plurality of interfaces of the terminal. The terminal can include a first interface for communication via a radiofrequency link, and a second interface for communication via a short-range link, where the second interface can be polluted by the radiofrequency link used by the first interface. The terminal can be configured to activate the first interface, deactivate the first interface and initiate a time-out during which the terminal can activate a third interface for communication via an optical link, and then activate the second interface.

Activation of communication interfaces of a terminal

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.

Device for lighting and optical communication combined with viewing of the communication field

Control of access to an on-line service, the access to the service being requested, via a communication network, by a terminal suitable for receiving data broadcast by a plurality of devices for data transmission by light modulation producing a light beam. In particular: each transmission device is characterized by a unique identifier; and each transmission device belongs to a group of devices. The following steps, carried out by a server connected to the transmission devices, are provided: upon receiving a request from the terminal to access the service via a second transmission device identified by a second identifier, verifying whether a previous access request for said same terminal was accepted for a first transmission device identified by a first identifier; and, when the first and second identifiers correspond to devices of the same group, processing the access request.

Control of access to an on-line service via a Li-Fi network

The invention relates to an illuminating device including a plurality of light sources mounted on a deck, the device being such that it includes a first set of light sources placed in a central zone of the deck and a second set of light sources placed in a peripheral zone of the deck, the light sources of one of the sets each being suitable for transmitting data by modulation of visible light, the light sources of at least one of the sets being associated with at least one fixed convergent first lens positioned on the axis of said sources.

Growing community of inventors

Chatillon, France

Micheline Perrufel