Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding
Patent
1995-03-23
1996-07-30
Pihulic, Daniel T.
Communications, electrical: acoustic wave systems and devices
Echo systems
Distance or direction finding
367909, 367110, G01S 1593
Patent
active
055418910
ABSTRACT:
A distance sensing device for a motor vehicle, positioned at the rear of the motor vehicle, for sensing a distance to an obstacle to the rear of the motor vehicle, has a brake light unit positioned in the interior of the motor vehicle at the rear window. At least one sensor for sensing the distance is provided. An optical display unit located within the brake light unit is provided, and the at least one sensor is connected to the optical display unit.
REFERENCES:
patent: 4290043 (1981-09-01), Kaplan
patent: 4561064 (1985-12-01), Bruggen et al.
patent: 5059946 (1991-10-01), Hollowbush
Kusuma Djunarato
Waldmann Bernd
Pihulic Daniel T.
Reitter & Schefenacker GmbH & Co. KG
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