Communications: electrical – Selective – Having indication or alarm
Patent
1983-08-12
1985-12-17
Caldwell, Sr., John W.
Communications: electrical
Selective
Having indication or alarm
340 88, 340326, B60Q 100
Patent
active
045595178
ABSTRACT:
A warning system to be mounted on the front exterior of a school bus to provide two signals to the passengers. One signal is a flashing red light accompanied by an intermittent horn and the second is a steady green light both of which can be seen and heard by children boarding or leaving the bus on both sides of the street to tell them whether it is unsafe or safe to cross the road. This warning system is controlled by the driver allowing him to direct the children safely across the street.
REFERENCES:
patent: 2400655 (1946-05-01), Saia
patent: 3491336 (1970-01-01), Anderson
patent: 3786498 (1974-01-01), Lipe et al.
patent: 3838392 (1974-09-01), Lockwood et al.
Brier Jeffery A.
Caldwell Sr. John W.
Jacobson Donald A.
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