초록 ▼

This data communication system employing carrier currents comprises a power supply (4), to which are connected supply lines (2, 3) to which supply lines are connected functional devices (6) of the vehicle communicating with one another. These functional devices (6) comprise a communication interface

This data communication system employing carrier currents comprises a power supply (4), to which are connected supply lines (2, 3) to which supply lines are connected functional devices (6) of the vehicle communicating with one another. These functional devices (6) comprise a communication interface (10) and an associated application equipment (12) communicating with other functional devices (6) through its communication interface (10), the communication interface (10) comprising means for testing the validation of at least one predetermined criterion and means commanding control means of the power supply of the associated application equipment (12) for commanding, as a function of the validation of the predetermined criterion, the feeding or otherwise of the associated application equipment (12) by the supply lines (2, 3).

대표청구항 ▼

[ What is claimed is:] [1.] Data communication system employing carrier currents, in particular for a motor vehicle, said system comprising in combination: an electric power supply, supply lines constituting a data communication network connected to said power supply, functional devices of said vehi

[ What is claimed is:] [1.] Data communication system employing carrier currents, in particular for a motor vehicle, said system comprising in combination: an electric power supply, supply lines constituting a data communication network connected to said power supply, functional devices of said vehicle connected to said supply lines, some of said devices being adapted to communicate with one another, at least some of said functional devices comprising a communication interface and an associated application equipment communicating with other functional devices through the communication interface thereof, the application equipment being connected to the communication interface through a data communication line, said communication interface comprising control means for controlling the power supply of said associated application equipment, means for testing the validation of at least a predetermined criteria, and command means for commanding said control means for commanding, as a function of said validation of said predetermined criterion, the selective feeding of power to said associated application equipment by means of said supply lines.