Valeo Vision

Loic Flandre

Sylvain Yvon

Stephane Richard

Sebastian Krick

David Boudikian

Christophe Roger

Benjamin Touzet

Gregoire Sadoux

Alain Dari

Rémy Letoumelin

Arnaud Uhrich

Stephan Baudru

The present invention relates to a lighting and/or indicating device, such as a vehicle headlamp, equipped with at least one halogen bulb, wherein it comprises a switch-mode power supply device for supplying power to the halogen bulb, said switch-mode power supply device comprising means for regulating the luminous flux provided by the halogen bulb and being installed close to the halogen bulb so as to minimize electromagnetic interference and dispersion of the supply voltage at the terminals of the halogen bulb.

Lighting and/or indicating device equipped with a device for regulating the luminous flux for a halogen bulb

A device for measurement of characteristic parameters of at least one assembly of at least one light emitting diode (LED) comprising a measurement circuit for each assembly, wherein the measurement circuit has an electrical input which can be connected to the LED, a single measurement output to provide electrical values which are representative of at least two characteristic parameters of the LED, a first circuit configuration, which is designed to provide the measurement output with a value which is representative of a first characteristic parameter, a second circuit configuration, which is designed to provide the measurement output with a value which is representative of a second characteristic parameter and means for switching between the first circuit configuration and the second circuit configuration.

Module to control the supply to LED assemblies

A communication method is implemented in an on-board network between a master station (M) and a plurality of slave stations (S1, S2, S3, S4), of the type of those compatible with the standard Local Interconnect Network (LIN) protocol in which data frames are sent by the slave stations on a serial bus in response to the sending by the master station of identifiers representative of the required content of the frames. All or part of each of the specific data frames attached to the same predetermined identifier is formed sequentially by each of the slave stations. This enables an optimisation of the load on a LIN network, thus enabling use of this economical standard for all 'passenger compartment functions', and in particular for the management of AFS type advanced lighting systems.

Communication method and device for a motor vehicle

A process and a device for controlling a plurality of LED assemblies of an automotive vehicle, each LED assembly (Gi) executing a specific lighting/signalling function. The electrical power level (Pi) delivered by the electrical source is modulated according to distinct power levels (Pi) with relation to the function associated with each LED assembly (Gi) and temporary multiplexing is executed in order to successively transmit the distinct power levels (Pi) to the assemblies (Gi) over a multiplexing period (Tmux). Demultiplexing is effected and each distinct electrical power level (Pi) is selectively delivered to the LED assembly (Gi) concerned.

Process and device for controlling a plurality of LED assemblies of an automotive vehicle

The invention relates to a device for controlling diode lamps comprising an associated control module comprising

LED control device for a vehicle light

The invention concerns a method of controlling a control circuit, which comprises a step in which a variation in a control parameter for the control circuit is effected, said variation being determined so that at least one emission characteristic of an unfavorable electromagnetic radiation is reduced.

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Bobigny, France

Loic Flandre