Electrical transmission or interconnection systems – Personnel safety or limit control features – Interlock
Patent
1982-05-13
1984-10-23
Zazworsky, John
Electrical transmission or interconnection systems
Personnel safety or limit control features
Interlock
307261, 307491, 307493, H03K 500
Patent
active
044790660
ABSTRACT:
There is disclosed a circuit, using integrated techniques, for dividing the AC component of an input signal by the DC component of that signal and then muitiplying the signal by a fixed DC current. This circuit is useful in opto-coupled gain control devices where the output AC signal must be gain adjusted for the light transfer characteristics of the opto-couplers.
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patent: 4228323 (1980-10-01), Feiner et al.
AT&T Bell Laboratories
Slusky Ronald D.
Zazworsky John
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