A recently unearthed patent purports to show, in detail, exactly how Canon plans to improve on sensor-based in-body image stabilization for its upcoming full-frame mirrorless cameras and DSLRs. The patent application was uncovered by the folks over at Canon News, and it’s detailed enough to believe that this is the unit we’ll be seeing in future Canon EOS R cameras, and possibly DSLRs. As CN explains, Canon is doing its best to make its IBIS unit as precise and powerful…