Ricoh Company, Ltd.

Peter Grennan

Seigou Yasuda

A standard pattern comparing system recognizes a data by comparing the data with a standard pattern registered in a dictionary, a plurality of kinds of data being supplied to the standard pattern comparing system. The standard pattern comparing system has a plurality of dictionaries including a plurality of normal dictionaries and one master dictionary. All standard patterns stored in each normal dictionary and some of the standard patterns stored in the master dictionary corresponding to one kind of data. There being no duplicate standard pattern included in more than two dictionaries, and each standard pattern included in the master dictionary being commonly used for at least more than two normal dictionaries to correspond to an arbitrary kind of data. The present invention is especially useful for a voice recognition system in which a speaker dependent voice recognizer is used for a personal computer which manages a plurality of application programs. A user of the voice recognizer does not have to register some duplicate words commonly used for at least more than two application programs because of the master dictionary.

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Eastbourne, United Kingdom

Peter Grennan