Computing system e.g. computer, controlling device that is utilized by e.g. elderly person in e.g. hospital, has repetition formed on document and localized around or on intelligible indication from pattern in relation with indication

摘要

The device has an optical reader (3) movable with respect to a document and comprising a detection unit for detecting an image on a document and production of a signal representing the detected image elements. A computer or other computing devices comprise a coupling interface coupled to the reader to receive a signal representing a product and software to perform an action in correspondence with the received representing signal. A repetition is formed on the document and localized around or on an intelligible indication from a pictorial pattern in relation with the indication.