Abstract: An image capturing apparatus to be used in an image capturing system that includes a plurality of image capturing apparatuses includes a detection unit configured to detect a subject, an authentication unit configured to authenticate correspondence between the subject and identification information of a user, an obtainment unit configured to obtain shooting conditions associated with the subject authenticated by the authentication unit, an image capturing unit configured to capture an image of the subject under the shooting conditions, a count unit configured to count the number of captured images of the subject for each of the plurality of shooting conditions, and a notification unit configured to notify a controller of another image capturing apparatus included among the plurality of image capturing apparatuses of the number of counts counted by the count unit.

Abstract: An image capturing apparatus includes an image sensor, a cooling device configured to cool the image capturing apparatus, a storage unit having stored therein a correspondence relationship between sensitivities of the image sensor and cooling capabilities of the cooling device, and a control unit configured to control an operation of the cooling device based on a sensitivity of the image sensor and on the correspondence relationship stored in the storage unit.

Abstract: An electronic device includes a first voltage conversion unit that divides an input voltage and outputs the divided voltage, a detection unit that detects the input voltage, and a control unit that controls the voltage division ratio of the first voltage conversion unit such that the output voltage of the first voltage conversion unit decreases as the input voltage increases.

Abstract: An electronic device includes a first voltage conversion unit that divides an input voltage and outputs the divided voltage, a detection unit that detects the input voltage, and a control unit that controls the voltage division ratio of the first voltage conversion unit such that the output voltage of the first voltage conversion unit decreases as the input voltage increases.

Abstract: An electronic device has a voltage converter configured to convert output voltage of a battery for supplying power for operating an electronic device into a preset voltage for output, a constant current load unit configured to receive the voltage output by the voltage converter and output a preset constant current, a battery voltage detector configured to detect the output voltage of the battery, and a remaining charge calculator configured to calculate the remaining charge of the battery based on a first battery voltage obtained by the battery voltage detector when operation of the constant current load unit is stopped and a second battery voltage obtained by the battery voltage detector when the constant current load unit is operating.

Abstract: An electronic device has a voltage converter configured to convert output voltage of a battery for supplying power for operating an electronic device into a preset voltage for output, a constant current load unit configured to receive the voltage output by the voltage converter and output a preset constant current, a battery voltage detector configured to detect the output voltage of the battery, and a remaining charge calculator configured to calculate the remaining charge of the battery based on a first battery voltage obtained by the battery voltage detector when operation of the constant current load unit is stopped and a second battery voltage obtained by the battery voltage detector when the constant current load unit is operating.