Circuit arrangement for testing the connecting lines of a switch

Details Circuit arrangement for testing the connecting lines of a switch Circuit arrangement for testing the connecting lines of a switch

1988-07-20

1989-08-29

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Electromechanical switching device

280735, 340644, 340436, G01R 3102, B60Q 144

Patent

active

048620912

ABSTRACT:
A circuit arrangement is disclosed for monitoring the connecting lines of a switch or sensor open in the normal condition, with a first ohmic resistance connected in series with the switch or sensor. That together with the switch or sensor and a second ohmic resistance connected in parallel to both forms a parallel circuit, whose first connecting line is connected to ground and whose second connecting line is connected, on the one hand, to a voltage supply by way of a third ohmic resistance and, on the other, with a voltage discriminator unit. The second ohmic resistance is adapted to be disconnected.

REFERENCES:
patent: 4695075 (1987-09-01), Kamiji et al.
Luigi Brambilla, "Airbag and Belt Pretensioner Provide Increased Safety for Driver and Front Passenger", pp. 77-84, ATZ Automobiltechnishe Zeitschrift.

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