A camera, of a handheld computing device, is used to capture a picture of an object. At least some image data corresponding to the captured picture is provided to a processor, which returns processed information corresponding to the object. By reference to this processed information, the system automatically...http://www.google.com.hk/patents/US7837094?utm_source=gb-gplus-share專利 US7837094 - Methods and systems for interacting with physical objects
