Back to results
US 2014/0192484 A1Published application
Fan controlling system and electronic device using same
AssigneesHon Hai Precision Industry Co., Ltd., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.
InventorsLEI LIU, WEI-DONG CONG
Life of this patent
Estimating the term…
Abstract
A fan controlling system of an electronic device connects a fan to an external power source when the electronic device operates. The fan controlling system switches the fan to connect to a backup power source of the electronic device when the electronic device is turned off.
Claims11
A fan controlling system of an electronic device, comprising:
- a power interface connected to an external power source for providing power to the electronic device;
- a switch connected to the power interface;
- a backup power source connected to the switch;
- a fan connected to the switch;
- and
- a controlling module;
- wherein the controlling module controls the switch to connect the fan with the external power source via the power interface when the electronic device operates and controls the switch to connect the fan with the backup power source when the electronic device turns off, and the backup power source provides power to the fan after the electronic device turns off.
4 more elements
An electronic device, comprising:
- a storage device;
- and
- a fan controlling system received in the electronic device to dissipate heat, comprising:
- a power interface connected to an external power source for providing power to the electronic device;
- a switch connected to the power interface;
- a backup power source connected to the switch;
- a fan connected to the switch and comprising a processor;
- and
- a controlling module stored in the storage device and executed by the processor;
- wherein the controlling module controls the switch to connect the fan with the external power source via the power interface when the electronic device operates and controls the switch to connect the fan with the backup power source when the electronic device turns off, and the backup power source provides power to the fan after the electronic device turns off.
7 more elements
Dependencies are inferred from the claim text.