A small vocabulary pattern recognition system is used for recognizing a sequence of words, such as a sequence of digits (e.g. telephone number) or a sequence of commands. A representation of reference words is stored in a vocabulary 132, 134. Input means 110 are used for receiving a time-sequential input...http://www.google.de/patents/US6823307?utm_source=gb-gplus-sharePatent US6823307 - Language model based on the speech recognition history
