Device for Managing Power Supply of a Motor Vehicle Multimedia System
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Abstract
The invention concerns a device for managing power supply of a motor vehicle multimedia system, comprising a number of modules each having at least one function requiring electrical power supply, in particular in standby mode, such that it consists of a module receiving in input: a permanent electrical power supply from the vehicle battery; wake-up/sleep data from the vehicle control computer, based on the contact key in particular and from control means particular to the multimedia system; optionally wake-up and/or sleep control signals from certain modules belonging to the multimedia system itself, for: delivering to said multimedia system modules wake-up/sleep and/or switched power supply signals; saving data in the volatile storage means; keeping time through the metering means.
21 Citations
22 Claims
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1-11. -11. (canceled)
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12. A device for managing power supply for a multimedia system of a motor vehicle, comprising:
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a number of functional modules, each fulfilling at least one function requiring an electrical power supply, including a module including a microprocessor, storage means, and counting means, and receiving as input;
a permanent electrical power supply from an electric vehicle battery;
wake-up/sleep information from a vehicle control computer, based on an ignition key;
wake-up/sleep information from a control specific to the multimedia system;
to;
deliver wake-up/sleep and/or switched power supply signals to the modules of the multimedia system;
save information in a volatile storage;
keep time using a counter. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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Specification