Apparatus for and method of retrieving information
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United States of America Patent
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Dec 28, 2004
Grant Date -
N/A
app pub date -
Feb 4, 1999
filing date -
Feb 6, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An information retrieving apparatus is advantageously used in a voice operation of a vehicle navigation system. The apparatus includes a storage unit for storing the plural pieces of the candidate information composing a hierarchical structure including m hierarchies (m is a natural number not less than 2), and the apparatus retrieves a target information from the hierarchical structure. The apparatus includes an input unit for inputting information, a judging unit for judging a correspondence of the inputted information with one of the plural pieces of the candidate information and for judging the hierarchy of the candidate information if the correspondence is obtained, and a retrieving unit for retrieving one of the plural pieces of the candidate information as a target information based on a judged result of the judging unit.
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