The present application discloses a circuit and method for operating a light source of a vehicle, in particular a signalling light source, and/or an automobile, truck or truck trailer light, and/or a LED light or filament lamp light. The device and method ...

In a communication system in a motor vehicle (V) a network gateway node (GW) communicates with a diagnosis client (D) via a first bus (B1). A superordinate node (M) communicates with the network gateway node (GW) via a second bus (B2). A set of subordinate...

The illumination device comprises a light source that generates light from the supplied electric power, and a drive circuit that generates electric current flow through the operation of an input coupled to the light source, by the switching process carried...

Provided is a warning device for automobile alternator replacement which warns a driver of the replacement timing of an automobile alternator in advance. A conducting sensor that surrounds a conductor with an insulator is embedded into a brush so that the ...

Electrical circuits are interrupted in response to temperature transients of the electrical conductors bf the circuit. Temperature excursions are sensed using a thermo optical device. The circuit interruption device may be the same element as the circuit s...

The headlight for a motor vehicle has a connector (71) for an electric power supply and a standard connector (72) used in a projector and connected to a multiplex bus. Controls are provided for the head or indicator lights and are connected to the feed and...