Vehicle-to-vehicle distance detecting apparatus

Details Vehicle-to-vehicle distance detecting apparatus Vehicle-to-vehicle distance detecting apparatus

1991-03-04

1992-11-17

Crosland, Donnie L.

Communications: electrical

Land vehicle alarms or indicators

Of relative distance from an obstacle

340436, 340901, 340903, 340937, 340942, 358105, 358125, 180167, 180169, 180271, B60Q 100, G08G 116

Patent

active

051651084

ABSTRACT:
A vehicle-to-vehicle distance detecting apparatus for use in tracing a preceding vehicle is disclosed in which the driver is able to set a vehicle tracing window on a displayed picture image of the preceding vehicle in an easy manner while driving the vehicle. Even if there are a plurality of preceding vehicles, the driver is able to easily identify a particular one of them which his or her vehicle is tracing for measuring the distance therebetween. The apparatus is also able to automatically monitor objects ahead of a vehicle and warn the driver of a possible danger of collision with an obstacle when no instruction is given by the driver for setting an image-tracing window for tracing a preceding vehicle. When an instruction switch is turned on by the driver after the image of the preceding vehicle comes in the image-tracing window formed at a prescribed position, a microcomputer controls, based on the image signals from the image sensors, the image-tracing window so as to trace the picture image of a preceding vehicle on the screen. The microcomputer detects the distance from the specific vehicle to the preceding vehicle or obstacle displayed on the screen in the image-tracing window and the distance from the specific vehicle to the preceding vehicle being image-traced on the screen in the image-tracing window.

REFERENCES:
patent: 4539590 (1985-09-01), Gage
patent: 4709264 (1987-11-01), Tamura et al.
patent: 4779095 (1988-10-01), Guerreri
patent: 4908704 (1990-03-01), Fujioka et al.
patent: 5026153 (1991-06-01), Suzuki et al.
BMW: Konzepte fur die Autozukunft, Computer am Ruder, Jul. 1990.

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