Test apparatus for testing internal combustion engine electronic

Details Test apparatus for testing internal combustion engine electronic Test apparatus for testing internal combustion engine electronic

1980-05-21

1982-05-25

Krawczewicz, Stanley T.

Electricity: measuring and testing

Internal-combustion engine ignition system or device

Electronic ignition system

324385, 324388, F02P 1700

Patent

active

043319211

ABSTRACT:
A test apparatus for testing electronic ignition systems includes a circuit for detecting the interruption of ignition coil primary current and triggering a 100 .mu.S monostable. A coil current detector detects when coil current flow is recommenced and the signals from this detector and the monostable are combined via a gate to indicate satisfactory operation if the detector detects current re-commencement within 100 .mu.S of the previous current interruption.

REFERENCES:
patent: 3551800 (1970-12-01), Widmer
patent: 4112351 (1978-09-01), Back et al.
Ekland et al., Computer-Controlled Distributer Tester, IBM Technical Disclosure Bulletin, Jul. 1969, pp. 259 and 260.

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