School bus obstacle detection device

Details School bus obstacle detection device School bus obstacle detection device

1993-01-05

1993-10-05

Swarthout, Brent

Communications: electrical

External condition vehicle-mounted indicator or alarm

340903, 340904, 340433, G08G 100

Patent

active

052509451

ABSTRACT:
A driver alerting device for a school bus or the like includes a pair of transceivers adapted for mounting at the forward end and below the vehicle. Return wave signals from any object or person within the transceiver range are supplied to the transceiver through an antenna connection. Any resultant doppler shift signal is amplified for driving the audio alarm to alert the driver to the presence of a person or object within the transceiver range.

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