Abstract: An electronic device includes a communication unit that that acquires a power supply capability of an external apparatus via a CC terminal, and a control unit that performs control such that electrical power received via a VBUS terminal is supplied to a load if it is determined through the communication that the external apparatus has a predetermined power supply capability, and performs control such that electrical power received via the VBUS terminal is not supplied to the load if it is determined that the external apparatus has the predetermined power supply capability without performing the communication.

Abstract: An electronic device includes a detecting unit, a communicating unit, and a control unit. The detecting unit detects a temperature of a cable connected to the electronic device. The communicating unit receives cable information including information related to the cable from the cable. The control unit changes a threshold temperature from a predetermined temperature to a temperature indicated by the cable information, in a case where the temperature indicated by the cable information is higher than the predetermined temperature and the communicating unit has received the cable information. The control unit controls a power supply device to stop supplying power from the power supply device to the electronic device via the cable or controls the electronic device to stop receiving power from the power supply device via the cable, in a case where a detected temperature of the cable is higher than the threshold temperature.

Abstract: An image capture apparatus comprises a connection unit that connects a cooling device, a detection unit that detects that the cooling device is connected, and a control unit that, when the cooling device is connected to the image capture apparatus, controls power for driving the cooling device based on a power control method for driving the cooling device and an operational state of the image capture apparatus.

Abstract: An electronic device includes a detecting unit, a communicating unit, and a control unit. The detecting unit detects a temperature of a cable connected to the electronic device. The communicating unit receives cable information including information related to the cable from the cable. The control unit changes a threshold temperature from a predetermined temperature to a temperature indicated by the cable information, in a case where the temperature indicated by the cable information is higher than the predetermined temperature and the communicating unit has received the cable information. The control unit controls a power supply device to stop supplying power from the power supply device to the electronic device via the cable or controls the electronic device to stop receiving power from the power supply device via the cable, in a case where a detected temperature of the cable is higher than the threshold temperature.

Abstract: An electronic device includes a communication unit that that acquires a power supply capability of an external apparatus via a CC terminal, and a control unit that performs control such that electrical power received via a VBUS terminal is supplied to a load if it is determined through the communication that the external apparatus has a predetermined power supply capability, and performs control such that electrical power received via the VBUS terminal is not supplied to the load if it is determined that the external apparatus has the predetermined power supply capability without performing the communication.

Abstract: An electronic device includes an authentication unit that performs authentication to determine whether a power supply apparatus connected to the electronic device is a predetermined apparatus, a selection unit that makes a user select whether to use the power supply apparatus, when the authentication has failed, a storage unit that stores information indicating that the authentication has succeeded or the user has selected to use the power supply apparatus as history information. When the power supply apparatus is detached from the electronic device, the history information is deleted from the storage unit. The electronic device permits use of the power supply apparatus connected to the electronic device when the history information is stored in the storage unit while the electronic device is in a power ON state.

Abstract: If apparatuses capable of both power transmission and power reception are connected to each other, power may circulate needlessly between the apparatuses and be consumed. Power control is then performed based on a determined power control policy by providing display for determining a direction of power transfer when needed.

Abstract: An electronic device has a first terminal for receiving power from a connected external device, a second terminal for obtaining information of the external device, and a GND terminal connected to the second terminal. The electronic device causes a resistance between the second terminal and the GND terminal to change, and determines a type of the external device based on a voltage of the first terminal after the resistance is caused to change.

Abstract: An electronic apparatus includes a first switch unit being connected between an electrical load and a battery, a second switch unit being connected between the electrical load and the battery, and being connected in parallel with the first switch unit, a first control unit that controls the first switch unit so as to control supplying power from an external apparatus to the electrical load and charging the battery with power supplied from the external apparatus to the electronic apparatus, and a second control unit that controls the second switch unit based on whether power is supplied from the external apparatus to the electronic apparatus. In a case where power is not supplied from the external apparatus to the electronic apparatus, the second control unit controls the second switch unit to supply power from the battery to the electrical load via the second switch unit.

Abstract: An apparatus includes an interface unit having a first terminal configured to determine whether an external apparatus is connected to the interface unit and a second terminal configured to receive power from the external apparatus, a detecting unit configured to detect whether the external apparatus and the interface unit are connected based on voltage of the first terminal, and a control unit configured to control receiving power from the external apparatus from the external apparatus through the second terminal, wherein in the case that a second timing when voltage of the second terminal is detected is later than a first timing when the voltage of the first terminal is detected, the control unit executes a first control for receiving power and in the case that the second timing is not later than the first timing, the control unit executes a second control for receiving power.

Abstract: An electronic device has a first terminal for receiving power from a connected external device, a second terminal for obtaining information of the external device, and a GND terminal connected to the second terminal. The electronic device causes a resistance between the second terminal and the GND terminal to change, and determines a type of the external device based on a voltage of the first terminal after the resistance is caused to change.

Abstract: If apparatuses capable of both power transmission and power reception are connected to each other, power may circulate needlessly between the apparatuses and be consumed. Power control is then performed based on a determined power control policy by providing display for determining a direction of power transfer when needed.

Abstract: An information processing apparatus includes a first connection unit, an acquisition unit configured to obtain capability information about an external apparatus via the first connection unit, a power control unit configured to control one of a plurality of states based on the obtained capability information, the plurality of states including a first state in which power is transmitted to the external apparatus and a second state in which power is received from the external apparatus, and a notification unit configured to, when the power control unit performs the control, distinguish and make a notification of the first state, the second state, and a third state different from the first and second states. When performing power control based on a power control policy, the information processing apparatus then makes a distinctive notification of a power transmission state and a power reception state, or makes a distinctive notification for each power level.

Abstract: An electronic device includes an authentication unit that performs authentication to determine whether a power supply apparatus connected to the electronic device is a predetermined apparatus, a selection unit that makes a user select whether to use the power supply apparatus, when the authentication has failed, a storage unit that stores information indicating that the authentication has succeeded or the user has selected to use the power supply apparatus as history information. When the power supply apparatus is detached from the electronic device, the history information is deleted from the storage unit. The electronic device permits use of the power supply apparatus connected to the electronic device when the history information is stored in the storage unit while the electronic device is in a power ON state.

Abstract: An electronic device includes a communication control unit configured to perform an enumeration process, and a charging unit configured to charge a battery unit with power supplied from an external device. If a voltage of the battery unit is higher than a predetermined voltage, the communication control unit allows to perform the enumeration process with power supplied from the battery unit.

Abstract: An electronic apparatus includes a first switch unit being connected between an electrical load and a battery, a second switch unit being connected between the electrical load and the battery, and being connected in parallel with the first switch unit, a first control unit that controls the first switch unit so as to control supplying power from an external apparatus to the electrical load and charging the battery with power supplied from the external apparatus to the electronic apparatus, and a second control unit that controls the second switch unit based on whether power is supplied from the external apparatus to the electronic apparatus. In a case where power is not supplied from the external apparatus to the electronic apparatus, the second control unit controls the second switch unit to supply power from the battery to the electrical load via the second switch unit.

Abstract: An electronic device includes a communication control unit configured to perform an enumeration process, and a charging unit configured to charge a battery unit with power supplied from an external device. If a voltage of the battery unit is higher than a predetermined voltage, the communication control unit allows to perform the enumeration process with power supplied from the battery unit.

Abstract: A detecting method for detecting internal resistance of an inspective rechargeable battery when said inspective rechargeable battery is charged by the constant current-constant voltage charging regime, said detecting method comprising at least a step (a) wherein an accumulated, charged electricity quantity of said inspective rechargeable battery in the constant voltage charging mode is obtained and a step (b) wherein said charged electricity quantity of said inspective rechargeable battery obtained in the constant voltage charging mode in said step (a) is referred to previously acquired data of a normal rechargeable battery, which corresponds to said inspective rechargeable battery, with respect to relationships of charged electricity quantities Qcv thereof versus internal resistances thereof when increased or decreased or their increased or decreased magnitudes in the constant voltage charging mode.

Abstract: A detecting method for detecting internal resistance of an inspective rechargeable battery when said inspective rechargeable battery is charged by the constant current-constant voltage charging regime, said detecting method comprising at least a step (a) wherein an accumulated, charged electricity quantity of said inspective rechargeable battery in the constant voltage charging mode is obtained and a step (b) wherein said charged electricity quantity of said inspective rechargeable battery obtained in the constant voltage charging mode in said step (a) is referred to previously acquired data of a normal rechargeable battery, which corresponds to said inspective rechargeable battery, with respect to relationships of charged electricity quantities Qcv thereof versus internal resistances thereof when increased or decreased or their increased or decreased magnitudes in the constant voltage charging mode.

Abstract: A detecting method for detecting internal resistance of an inspective rechargeable battery when said inspective rechargeable battery is charged by the constant current-constant voltage charging regime, said detecting method comprising at least a step (a) wherein an accumulated, charged electricity quantity of said inspective rechargeable battery in the constant voltage charging mode is obtained and a step (b) wherein said charged electricity quantity of said inspective rechargeable battery obtained in the constant voltage charging mode in said step (a) is referred to previously acquired data of a normal rechargeable battery, which corresponds to said inspective rechargeable battery, with respect to relationships of charged electricity quantities Qcv thereof versus internal resistances thereof when increased or decreased or their increased or decreased magnitudes in the constant voltage charging mode.