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Aizawa; Tadashi
Suwa, JP
No. of patents:

Patent Number Title Of Patent Date Issued
6563458 GPS reception system May 13, 2003
A GPS reception system is provided in which, when sufficient reception level for positioning cannot be obtained only by a built-in antenna, a reception antenna is switched from the built-in antenna to an external antenna.
6349281 Voice model learning data creation method and its apparatus February 19, 2002
A voice model learning data creation method and apparatus makes possible the creation of an inexpensive voice model in a short period of time when creating a voice model for a new word not in a preexisting database. Verbal data from several persons is selected from among the verbal data
6038531 Similar word discrimination method and its apparatus March 14, 2000
A method is provided which performs word recognition using the dynamic recurrent neural networks (DRNN) model and which is able to discriminate, with high precision, similar words for which misrecognition often occurs. When the vocal sounds of some words are input, the DRNN output co

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