Data processing: vehicles – navigation – and relative location – Navigation – Employing position determining equipment
Reexamination Certificate
2005-10-18
2005-10-18
Camby, Richard M. (Department: 3661)
Data processing: vehicles, navigation, and relative location
Navigation
Employing position determining equipment
C701S207000, C342S357490
Reexamination Certificate
active
06957144
ABSTRACT:
In a location confirmation system, one navigation terminal connects a line to an information center to transmit timing information, and the information center identifies other navigation terminals for exchanging information indicating current locations to transmit the timing information to them. Thereafter, other navigation terminals having received the timing information and one navigation terminal transmit and receive the information indicating each current location at almost equal timing in accordance with the timing information.
REFERENCES:
patent: 6181683 (2001-01-01), Chevillat et al.
patent: 6587780 (2003-07-01), Trovato
patent: 6650252 (2003-11-01), Miller, Jr.
patent: 6650995 (2003-11-01), Bullock
patent: 196 51 143 (1998-06-01), None
Arakawa Takeharu
Koga Yuji
Camby Richard M.
Pioneer Corporation
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