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| | Patent 6112174 |
 | | A speech recognition system according to claim 8, wherein said dictionary is composed of names of places, roads, structures, gasoline service stations, convenience stores, and family restaurants which exist in any or designated area of said plurality of areas, and the number of words of each area being limited to a certain number. |
 | | The speech recognition system may be used in a car navigation system and may be constructed such that when any number or designated number of words or sentences made an object of speech recognition are prepared and defined as a dictionary. |
 | | For example, in a car navigation system, the dictionary is the assembly of words which include the names of roads, places, structures and streets, street numbers, and the names of intersections, gasoline service stations, convenience stores, family restaurants and so forth and words which are required for necessary and minimum conversations. |
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