发明名称 |
Positioning system, positioning method and positioning device |
摘要 |
A positioning system for obtaining information concerning a current position of a device even when one is in an underground center or inside a building includes a portable terminal is equipped with a radio-call-reception part having a radio-call-reception function that is a receiving unit which receives data sent from the base station and a positioning function to obtain the primary position data indicating the current position of the device based on data sent from the base station, a GPS-reception part having a positioning function to obtain the secondary position data on measuring the current position of the device based on signals sent from GPS satellites, and a position-data-correction function to correct the secondary position data using the position-correction data sent from the base station, and an information-processing part having a function to perform information processing using position data obtained from the radio-call-reception part and the GPS-reception part. |
申请公布号 |
AU1184300(A) |
申请公布日期 |
2000.06.13 |
申请号 |
AU20000011843 |
申请日期 |
1999.11.19 |
申请人 |
SONY COMPUTER ENTERTAINMENT INC. |
发明人 |
TAKESHI ITO;MASAHARU YOSHIMORI;EIJI KAWAI |
分类号 |
G01C21/00;G01S1/00;G01S5/00;G01S5/02;G01S19/07;G01S19/25;G01S19/51;H04W64/00 |
主分类号 |
G01C21/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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