A client computer with a scanner capable of scanning objects for a code. The client computer scans the object of interest and translates the code into a URL (Uniform Resource Locator) that specifies both a server computer and the location within the server of information that is relevant to the object....http://www.google.com.au/patents/US5971277?utm_source=gb-gplus-sharePatent US5971277 - Mechanism for retrieving information using data encoded on an object
