Communications: electrical – Selective – Having indication or alarm
Patent
1975-04-21
1978-09-19
Waring, Alvin H.
Communications: electrical
Selective
Having indication or alarm
340105, 315209T, 123148E, G08B 2100
Patent
active
041157583
ABSTRACT:
The proper operation of the ignition system of an internal combustion engine is determined by a visual test indicator which is built into the ignition circuitry. The indicator is energized whenever a H.V. pulse is generated in the secondary circuit. Failure of the indicator to light shows an ignition malfunction. The system is applicable to both point contact and electronic ignition systems.
REFERENCES:
patent: 1172168 (1916-02-01), Schade et al.
patent: 1931225 (1933-10-01), Heaton
patent: 1983341 (1934-12-01), Brown et al.
patent: 3394690 (1968-07-01), Bell
patent: 3504230 (1970-03-01), Gaddes
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