Electricity: measuring and testing – Internal-combustion engine ignition system or device – Low or high tension lead
Patent
1978-07-05
1980-05-20
Rolinec, Rudolph V.
Electricity: measuring and testing
Internal-combustion engine ignition system or device
Low or high tension lead
324115, 324126, 324128, G01R 1900, G01R 1508, G01R 1504
Patent
active
042041520
ABSTRACT:
Apparatus for measuring a high voltage in an ignition circuit, in which voltage dividing means has a first arm for connection to a point of measurement in said circuit and a second arm connected to a rectifying means. The output of the rectifying means is connected to means for matching impedance at the rectifying means to a direct current voltage display means connected to the output of the impedance matching means such that a displayed voltage is related to the high voltage in the ignition circuit. Low voltage measuring circuitry is also present which is connectable directly to the display means without the use of an impedance matching circuit.
REFERENCES:
patent: 1611716 (1926-12-01), Brown
patent: 2613345 (1952-10-01), Osterland
patent: 3009099 (1961-11-01), Muller
patent: 3906344 (1975-09-01), Addis et al.
patent: 4121154 (1978-10-01), Keating
Karlsen Ernest F.
Rolinec Rudolph V.
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