Obstruction detecting apparatus

Details Obstruction detecting apparatus Obstruction detecting apparatus

1998-12-11

2000-10-03

Zanelli, Michael J.

Data processing: vehicles, navigation, and relative location

Relative location

Collision avoidance

340435, 367111, G01S 1504, G01S 1506

Patent

active

061285765

ABSTRACT:
In the obstruction detection apparatus incorporated in a vehicle (11), ultrasonic wave transmitter/receiver (16 to 19 171) for changing a combination of transmitting of ultrasonic waves and of receiving of reflected ultrasonic waves, a CPU (20) calculates a distance between the vehicle (11) and an obstruction and stores data corresponding to the calculated distance into the distance table (23), and the LC display device (27) displays the obstruction on display bars of a lattice shape corresponding to the data stored in the distance table (23), and a buzzer (26) sounds an alarm for a driver.

REFERENCES:
patent: 4490716 (1984-12-01), Tsuda et al.
patent: 4528563 (1985-07-01), Takeuchi
patent: 4903004 (1990-02-01), Starke et al.
patent: 5059946 (1991-10-01), Hollowbush
patent: 5572484 (1996-11-01), Gaus et al.
patent: 5689250 (1997-11-01), Kremser

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