Rear monitor system triggered by occupant leaving the vehicle

Details Rear monitor system triggered by occupant leaving the vehicle Rear monitor system triggered by occupant leaving the vehicle

1984-04-25

1987-05-19

Caldwell, Sr., John W.

Communications: electrical

External condition vehicle-mounted indicator or alarm

340903, 340904, 180281, G01S 1300, G01S 1500

Patent

active

046671951

ABSTRACT:
A rear monitor system for an automotive vehicle comprises a sensor secured to a vehicle door located on one side of the vehicle and adapted to be operated by a vehicle occupant when leaving the vehicle, the sensor generating a signal indicating that the occupant is going to leave the vehicle. A control unit is responsive to the signal from the sensor for transmitting radiant energy in a rearward direction to detect a reflection from an object approaching the vehicle from behind at a speed higher than a predetermined value. Further provided is a safety device which is responsive to the detected reflection for preventing the vehicle occupant from opening the door.

REFERENCES:
patent: 3703714 (1972-11-01), Andrews
patent: 3789950 (1974-02-01), Strenglein
patent: 4260980 (1981-04-01), Bates
patent: 4467313 (1984-08-01), Yoshino et al.
patent: 4528563 (1985-07-01), Takeuchi

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