Circuit arrangement for evaluating the electrical output signals

Details Circuit arrangement for evaluating the electrical output signals Circuit arrangement for evaluating the electrical output signals

1976-08-20

1977-08-30

Heyman, John S.

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307290, 328149, H03K 520

Patent

active

040456870

ABSTRACT:
A circuit arrangement for evaluating the electrical output signals of a detector for thickness changes in a fuel injection line under the influence of an injection process comprising a series circuit connected to output terminals of the detector and including a differential amplifier, an a-c voltage amplifier, a highpass filter and a rectifier with a peak value storage device and a Schmitt trigger each connected in parallel to the output of the rectifier, the output of the peak value storage device being connected as a reference input of the Schmitt trigger, and a one shot multivibrator connected to the output of the Schmitt trigger.

REFERENCES:
patent: 2952811 (1960-09-01), Carr
patent: 3800164 (1974-03-01), Miller
patent: 3968447 (1976-07-01), Baylac et al.
patent: 4004239 (1977-01-01), Clarke

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