Electrical transmission or interconnection systems – Switching systems – Condition responsive
Patent
1977-03-02
1978-03-14
Schaefer, Robert K.
Electrical transmission or interconnection systems
Switching systems
Condition responsive
307117, H01H 3500
Patent
active
040792668
ABSTRACT:
An electronic circuit for controlling a process monitoring arrangement wherein electronic gates respond jointly to oscillator produced pulse trains and an abnormal condition indication signal to either alternately cycle a pair of switching transistors in response to normal process conditions or to hold the switching transistors constant in response to abnormal process conditions.
REFERENCES:
patent: 3509359 (1970-04-01), Embling
Indyk Eugene S.
Lacomis B. J.
Ralabate J. J.
Schaefer Robert K.
Shanahan M. H.
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