One of the patents was covered when the application was filed in 2012.
Essentially, the ideas seem to be creating a removable case for the imaging system, and then allowing attachments to be fitted, for a wide angle lens or for electrical components for zoom or for image stabilization.
"The removable case portion includes components that can substantially change the optical characteristics of the subsystem," Campbell writes.
One example of an optional attachment a mounting with a trio of different lenses that can be rotated into position — looks like this.
What it seems like is an internal version of something like Olloclip's 4-in-1 lens, which clips on to the iPhone over the existing camera giving you four options: a fish-eye lens, a wide-angle lens, and a choice of two macros. Check out this October 2013 CNET review.
Don't hold your breath, part deux.
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