Power supply device and electronic device system
AssigneeFujitsu Limited
InventorTomokazu YAMADA
Life of this patent
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Abstract
A power supply device connected to an electronic device for supplying power to the electronic device, including a plurality of control units configured to control supply of power to the electronic device and a switching circuit configured to receive, from the electronic device, a status signal indicating power status of the electronic device or operating status of the electronic device, and to control supply of a power supply voltage to the plurality of control units based on the status signal.
Claims16
A power supply device connected to an electronic device for supplying power to the electronic device, comprising:
- a plurality of control units configured to control supply of power to the electronic device;
- and
- a switching circuit configured to receive, from the electronic device, a status signal indicating power status of the electronic device or operating status of the electronic device, and to control supply of a power supply voltage to the plurality of control units based on the status signal.
An electronic device system comprising:
- a power supply device configured to supply power;
- and
- an electronic device connected to the power supply device,
- wherein the electronic device comprises
- a battery configured to supply power to the electronic device and
- a status detecting unit configured to be operated by power supplied from the power supply device or the battery, to detect power status of the electronic device or operating status of the electronic device, and to output a status signal indicating the power status of the electronic device or the operating status of the electronic device to the power supply device, and
- the power supply device comprises
- a plurality of control units configured to control supply of power to the electronic device and
- a switching circuit configured to receive the status signal, and to control supply of a power supply voltage to the plurality of control units based on the status signal.
Dependencies are inferred from the claim text.