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US 2014/0006810 A1Published application
Power supply circuit for hard disk drive
AssigneesHon Hai Precision Industry Co., Ltd., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.
InventorsBo TIAN, Kang WU
Life of this patent
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Abstract
A power supply circuit includes a main control circuit and a number of switching control circuits. The main control circuit receives working status signals from hard disk drives (HDDs), and outputs control signals according to the working status signals. Each switching control circuit is connected between a power supply unit and a HDD connector for connecting to one of the HDDs. The switching control circuit reconnects or disconnects power to or from the HDD connector according to the control signals.
Claims6
A power supply circuit, comprising:
- a main control circuit operable of receiving working status signals from hard disk drives (HDDs), and outputting corresponding control signals;
- and
- a plurality of switching control circuits, wherein each switching control circuit is connected between a power supply unit and a HDD connector for connecting a corresponding one of the HDDs, and is operable of connecting or disconnecting the power supply unit to or from the HDD connector according to the control signals.
Dependencies are inferred from the claim text.