Electric lamp and discharge devices: systems – With signal – indicator – or alarm – Electrically operated switch controlling the signal circuit
Patent
1978-05-10
1980-02-19
LaRoche, Eugene R.
Electric lamp and discharge devices: systems
With signal, indicator, or alarm
Electrically operated switch controlling the signal circuit
315 77, 315133, 315135, 340 79, 340 85, 340643, H05B 3703
Patent
active
041896629
ABSTRACT:
An improved safety device comprises a plurality of checking lights connected with the lamps of the automobile in series, a plurality of indicating lights adapted to an amplifier circuit and a magnetic induction coil, in which, the brightening or extinguishing of the checking lights may be shown to correspond to the extinguishing or brightening of the lamps of the automobile, so that the drivers can easily judge which one of the lamps is damaged.
REFERENCES:
patent: 1574513 (1926-02-01), Ratliff et al.
patent: 2486599 (1949-11-01), Hollins
patent: 3370199 (1968-02-01), Kabriel
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