Data processing: vehicles – navigation – and relative location – Navigation – Employing position determining equipment
Patent
1997-03-03
2000-11-21
Cuchlinski, Jr., William A.
Data processing: vehicles, navigation, and relative location
Navigation
Employing position determining equipment
701214, 3404255, 340438, 34235701, 34235702, 34235708, G06F16500
Patent
active
061515515
ABSTRACT:
The present invention provides an assessment, in real-time, of the integrity of the positioning solution and navigation sensors used to support an Emergency Calling System (ECS) that integrates positioning and cellular phone technology. This integrity information is used, via a warning light displayed to the driver, to indicate when the system will not support Emergency Calling to the accuracies required. The present invention discusses that at least two types of warnings may be generated and provided to the user. The first being an indication that the positioning accuracy will no longer support Emergency Calling. The second being an indication that a sensor or subsystem of the Emergency Call positioning system is malfunctioning and should be serviced as soon as possible whereby such a malfunction may lead to eventual failure of the system.
REFERENCES:
patent: 5416712 (1995-05-01), Geier et al.
patent: 5436632 (1995-07-01), Sheynblat
patent: 5630209 (1997-05-01), Wizgall et al.
patent: 5862511 (1999-01-01), Croyle
Geier George Jeffrey
Wang Chu Gen
Arthur Gertrude
Botsch Bradley J.
Cuchlinski Jr. William A.
Hopman Nicholas C.
King John J.
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