The new patent is for a new system that will track the amount of work done with the camera and based on that to calculate the remaining battery life. The current system track only the number of shots taken without taking in consideration any other power consuming feature (flash, zooming, LCD, etc).
Via Examiner
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Hurray!
That’s our precious nikondollars at work : )
lenght of time is probably for video usage reference
Sweet! What a great feature.
That’s cool, but doesn’t Sony already have this with their INFOLithium?
That’s sad. That sort of obvious thing ought never to be patentable.
Bugger.
on the one hand, it’s no big deal to actually measure the amount of current taken out of a battery. every dc meter does that. knowing this doesn’t necessarliy help though, neither does calculating the consumption, because the battery deteriorates and capacity changes therefore.
on the other hand, with Li ion batteries it’s fairly easy to measure (don’t know how though, look at wikipedia i guess) what’s actually left in there. it’s a safe way if you need to know.
for me, then again, i carry an extra battery anyway. so i never look at any measurement.
the patent is also about the technology behind it not just the actual fact that it measures battery level.
also the fact that “The current system track only the number of shots taken without taking in consideration any other power consuming feature (flash, zooming, LCD, etc).” is really funny about the zooming part. you need a human to zoom on a dslr. it should measure burned calories instead.
Sorry Nikon, I’ve already patented arithmetic and algebra