Communications: electrical – Selective – Having indication or alarm
Patent
1979-03-13
1981-03-03
Waring, Alvin H.
Communications: electrical
Selective
Having indication or alarm
340 73, B60Q 140
Patent
active
042543975
ABSTRACT:
An indicator arrangement comprising an indicator lamp on each side of a vehicle and selectively connectable to a power supply via a selector switch and a control circuit, the control circuit including a pulse generator capable of supplying pulses to the lamp(s) selected and a timer operative to de-activate the pulse generator after a pre-determined time.
REFERENCES:
patent: 3555506 (1971-01-01), Daws
patent: 3555507 (1971-01-01), Burson, Jr.
patent: 3858177 (1974-12-01), Kugelmann et al.
patent: 4058797 (1977-11-01), Sekiguchi et al.
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