IBM may be the king of patents, and Apple's patent applications grace these pages rather frequently, but Microsoft's not one to rest on its IP laurels, either. A couple of newly published patents out of Redmond have made their way to the web: one for securely pairing wireless devices and one for 3D rangefinder camera technology. The pairing tech works via a direct connection between devices using Bluetooth or WiFi and an automated, two-step authentication process. First, a request is sent b
