Information processing apparatus and control method of the information processing apparatus with a converter supplying power when a PFC circuit is off
AssigneeCanon Kabushiki Kaisha
InventorMinoru Hashimoto
Life of this patent
Estimating the term…
Abstract
The information processing apparatus according to an embodiment of the present invention includes a power factor correction (PFC) circuit, an interface capable of connecting an optional device, and a power controller capable of turning off the PFC circuit. The power controller does not turn off the PFC circuit while a predetermined optional device is connected to the interface.
Claims19
An information processing apparatus capable of operating in a predetermined power-saving mode, the apparatus comprising:
- a converter that converts input AC (alternating current) power into DC (direct current) power and includes a power factor correction (PFC) circuit to output power with a corrected power factor;
- a storage device that stores information indicating a model type of the information processing apparatus;
- and
- a power controller that outputs a PFC control signal to the PFC circuit based on the information stored in the storage device,
- wherein the PFC circuit outputs power with the corrected power factor when the PFC control signal is input and the PFC circuit outputs power with an uncorrected power factor when the PFC control signal is not input.
A control method of an information processing apparatus capable of operating in a predetermined power-saving mode, the apparatus comprising a converter that converts input AC (alternating current) power into DC (direct current) power and includes a power factor correction (PFC) circuit to output power with a corrected power factor, a storage device that stores information indicating a model type of the information processing apparatus, and a power controller that outputs a PFC control signal to the PFC circuit based on the information stored in the storage device, the method comprising the steps of:
- outputting, by the PFC circuit, power with the corrected power factor when the PFC control signal is input;
- and
- outputting, by the PFC circuit, power with an uncorrected power factor when the PFC control signal is not input.
An information processing apparatus capable of operating in a predetermined power-saving mode, the apparatus comprising:
- a converter that converts input AC (alternating current) power into DC (direct current) power, and includes a power factor correction (PFC) circuit to output power with a corrected power factor;
- a memory configured to store information indicating a model type of the information processing apparatus;
- and
- a power controller that outputs a PFC control signal to the PFC circuit based on the information stored in the memory,
- wherein the PFC circuit outputs power with the corrected power factor when the PFC control signal is input and the PFC circuit outputs power with an uncorrected power factor when the PFC control signal is not input.
Dependencies are inferred from the claim text.