Apparatus for displaying the level of danger of the instantaneou

Details Apparatus for displaying the level of danger of the instantaneou Apparatus for displaying the level of danger of the instantaneou

1994-05-19

1995-10-10

Swarthout, Brent

Communications: electrical

Land vehicle alarms or indicators

Of relative distance from an obstacle

340479, 340903, B60Q 100

Patent

active

054574390

ABSTRACT:
A display arrangement for depicting the level of danger associated with current driving conditions of a motor vehicle. A control unit processes the vehicle's speed and its distance from the vehicle in front and presents a green circular area if the speed and the distance from the vehicle in front are in the permitted, instantaneously safe range. If the vehicle speed exceeds the permitted speed by a first limit amount, or if the distance from the vehicle in front becomes smaller than the distance which the vehicle covers within a first prescribed time period, the display changes gradually from the circular shape, to an elongated area with a shape which extends more horizontally than vertically, and the color of the area shown changes from green to yellow. If the permitted speed is exceeded by a second limit amount, or the distance from the vehicle in front becomes smaller than the distance which the vehicle covers within a second prescribed time period (for example, one second), the display changes to a symbol containing cognitively striking warning information and at the same time the color of the symbol shown changes from yellow to red.

REFERENCES:
patent: 3597730 (1971-08-01), McClellan, Sr. et al.
patent: 3775743 (1973-11-01), Carter
patent: 4059824 (1977-11-01), Tanimura
patent: 4208658 (1980-06-01), Fujiki et al.
patent: 4229727 (1980-10-01), Gilhooley
patent: 4868719 (1989-09-01), Kouchi et al.
patent: 5291195 (1994-03-01), Gross
"Entwicklungslinien in Kraftsfahrzeugtechnik und Strassenverkehr", Research Report issued by Bundeminister fur Forschungsbilanz und Technologie by Verlag TUV Rheinland GmbH, Sep. 1978, pp. 559-566.

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