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US 2007/0186119 A1Published application
Power system capable of reducing interference between voltage output ports on a daughter board
OwnerChih-Chiang Yu, Chin-Lung Liinventors
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Abstract
A power system includes a motherboard, a daughter board, and a cable. The cable connects the motherboard and the daughter board. The daughter board includes voltage output ports for outputting the same voltage. Each power transmission path on the daughter board is isolated. The cable includes power lines respectively connected to the isolated power transmission paths on the daughter board. Therefore, this can reduce interference between the voltage output ports of the daughter board.
Claims14
A power system comprising:
- a daughter board comprising:
- a plurality of voltage output ports for outputting a same voltage;
- and
- a plurality of voltage input ports, each voltage input port coupled to a corresponding voltage output port to form isolated power paths;
- a mother board comprising a voltage output port for providing electric power to the voltage input ports of the daughter board;
- and
- a plurality of power lines, each power line coupled between a corresponding voltage input port of the daughter board and the voltage output port of the motherboard.
4 more elements
An electronic device comprising:
- a daughter board comprising:
- a plurality of voltage output ports for outputting a same voltage;
- and
- a plurality of voltage input ports, each voltage input port coupled to a corresponding voltage output port to form isolated power paths;
- a motherboard comprising:
- a central processing unit (CPU) for controlling the operation of the electronic device;
- a north bridge circuit coupled to the CPU for controlling devices with high transmission rate;
- a south bridge circuit coupled to the north bridge circuit and the daughter board for controlling devices with low transmission rate;
- and
- a voltage output port for providing electric power to the voltage input ports of the daughter board;
- and
- a plurality of power lines, each power line coupled between a corresponding voltage input port of the daughter board and the voltage output port of the motherboard.
9 more elements
Dependencies are inferred from the claim text.