Data processing: vehicles – navigation – and relative location – Navigation – Employing position determining equipment
Patent
1997-09-19
2000-09-26
Cuchlinski, Jr., William A.
Data processing: vehicles, navigation, and relative location
Navigation
Employing position determining equipment
701211, 701207, 701201, 701202, 701205, 701206, 342457, 455456, G01S 302, H04B 729, G01C 2100
Patent
active
06125326&
ABSTRACT:
A combination of a main navigation apparatus 2 which is fixed to the vehicle and a sub-navigation apparatus 3 which is detachable from the vehicle. When the sub-navigation apparatus 3 is attached, map information and current position information is displayed on a main display 25 under control of a sub-control unit 1, and state of the vehicle is displayed on a sub-display 33. When detaching the sub-navigation apparatus 3 from the vehicle, area map information necessary for waking outside of the vehicle is transmitted from an on-vehicle database 22 to a RAM 32. When the sub-navigation apparatus is detached from the vehicle, if the operation switch 36 is turned on, either the sub-display 33 or a speaker 34 is operated by an sub-navigation unit in a saving power control mode in which either the sub-display 33 or the speaker 34 is operated only for a predetermined period of time since the operation switch 36 is turned on. When information stored in the RAM 32 is not insufficient, additional information is transmitted form the on-vehicle database 22 via a telephone terminal 37.
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patent: 5760742 (1998-06-01), Branch et al.
patent: 5790974 (1998-08-01), Tognazzini
patent: 5887269 (1999-03-01), Brunts et al.
patent: 5889943 (1999-03-01), Ji et al.
patent: 5899956 (1999-05-01), Chan
Hosoda Koji
Kikuchi Hideaki
Ohmura Hiroshi
Cuchlinski Jr. William A.
Hernandez Olga
Mazda Motor Corporation
Studebaker Donald R.
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