Automotive electronic control systems

Details Automotive electronic control systems Automotive electronic control systems

1993-04-27

1995-12-19

Wong, Peter S.

Electrical transmission or interconnection systems

Vehicle mounted systems

Automobile

333 173, 333 32, H03H 1130

Patent

active

054770890

ABSTRACT:
A method of increasing the immunity of an automotive electronic control system to electromagnetic interference, comprises the steps of measuring the impedance of means conducting an input to a control circuit (4) of the system, and adapting the circuit so as at least substantially to match the input impedance of the control circuit (4) in relation to that input to the measured impedance of said means (2) conducting said input. The invention also provides an automotive electronic control system comprising a control circuit (4) having its input impedance at least substantially the same as, and preferably at least substantially matched to, the impedance of means (2) conducting the relevant input to the control circuit.

REFERENCES:
patent: 5187454 (1993-02-01), Collins

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