Device for managing power supply of a motor vehicle multimedia system
First Claim
1. A device for managing power supply for a multimedia system of a motor vehicle, comprising:
- a number of functional modules, each fulfilling at least one function requiring an electrical power supply, including a management module including a microprocessor, a storage unit, and a counter, and the management module 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; and
wake-up/sleep information from a control specific to the multimedia system;
wherein the management module is configured to;
deliver at least one wake-up/sleep or switched power supply signal to the modules of the multimedia system;
save information from the modules of the multimedia system in the storage unit; and
keep time using the counter.
1 Assignment
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Accused Products
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.
6 Citations
11 Claims
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1. 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 management module including a microprocessor, a storage unit, and a counter, and the management module 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; and wake-up/sleep information from a control specific to the multimedia system; wherein the management module is configured to; deliver at least one wake-up/sleep or switched power supply signal to the modules of the multimedia system; save information from the modules of the multimedia system in the storage unit; and keep time using the counter. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A device for managing power supply for a multimedia system of a motor vehicle, comprising:
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front and rear parts corresponding respectively to functions accessible from a front and from a rear of the vehicle; and a number of functional modules, including two management modules, each of the two management modules belonging to one of the parts of the multimedia system and each comprising a microprocessor, storage, and counter, and each of the two management modules receiving as input; a permanent electrical power supply from an electric vehicle battery; wake-up/sleep information from a vehicle central unit, based on an ignition key; wake-up/sleep information from a control specific to the corresponding part of the multimedia system; wherein each of the two management modules is configured to; deliver at least one wake-up/sleep or switched power supply signal to the modules of the corresponding part of the multimedia system; save information from the modules of the multimedia system in the storage; keep time using the counter. - View Dependent Claims (10, 11)
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Specification