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Canon Might Be Working On A Better Battery Charge Indicator, Patent

Canon Patent
Drawing from the patent literature

Will this Canon patent come to your next Canon camera? Maybe not, but it might on the one after your next.

Canon patent application 2021-114887 discusses methods and technology to show charges of both the internal and external battery. From the patent literature:

[Problem]

To notify a user of a relation between a full charge capacity of a battery of an electronic device and a remaining amount of a battery of a battery device connected to an electronic device easily.

[Means for solving]

The battery device (100) has a display means for displaying information indicating a result of calculating a residual amount of a battery of the battery device based on a full charge capacity of a battery of an electronic device connected to the battery device.

More Canon patents are listed here. Some particularly interesting patent applications we think might get into production are these:

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