Apple is reportedly planning an event in early February to unveil its next-generation iPad tablet. Citing unnamed sources from within Apple’s supply chain, Japanese blog Macotakara claims Apple will take the wraps off its iPad 3 early next month alongside the next major release of its mobile operating system, iOS 5.1. Apple released the third version of its iOS 5.1 beta software to developers last week, though the timeline for a public release is unknown at this point. The Cupertino, California-based company is expected to release its third-generation iPad tablet in March, which is rumored to feature a slightly thicker case, a 2,048 by 1,536-pixel HD display and twice the battery life as the current iPad 2. Apple is also expected to continue selling an iPad 2 model at a discounted price following the release of its new iPad 3.