Shielded differentiator for automotive ignition applications

Details Shielded differentiator for automotive ignition applications Shielded differentiator for automotive ignition applications

1980-11-21

1982-09-14

Krawczewicz, Stanley T.

Electricity: measuring and testing

Internal-combustion engine ignition system or device

Low or high tension lead

324395, 324402, F02P 1700

Patent

active

043497829

ABSTRACT:
A portable electronic device for application in the diagnosis of automotive ignitions system failures is described. A novel probe is described, which can detect and differentiate the voltage on a typical ignition cable or spark plug. Means are provided to shield the differentiating sensor from extraneous fields and to process the differentiated signal to provide simple indications of failure of ignition system components and to identify such components for replacement.

REFERENCES:
patent: 2323931 (1943-07-01), Peters
patent: 3743922 (1973-07-01), Festos
patent: 3763421 (1973-10-01), Glomski
patent: 3961240 (1976-06-01), Pohl
patent: 4041373 (1977-08-01), Maringer

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