Interference avoidance electronic system for an automotive vehic

Details Interference avoidance electronic system for an automotive vehic Interference avoidance electronic system for an automotive vehic

1981-04-20

1983-09-06

Heyman, John S.

Telecommunications

Receiver or analog modulated signal frequency converter

Noise or interference elimination

328165, H04B 110

Patent

active

044033508

ABSTRACT:
An electronic system for controlling engine parameters or the like such as the amount of fuel supplied to the internal combustion engine of an automotive vehicle having a radio receiver, the control system having a plurality of digital processing units such as microcomputers, where each unit operates in synchronization with a clock pulse. There is provided a clock pulse generator for each digital processing unit, the frequency of which is selected so that the higher harmonics of one clock pulse has a frequency difference of 10 KHz or more from the higher harmonics of other clock pulses in a broadcast band, whereby interference which can disturb the reception of a broadcast signal is avoided.

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