Peak detector with dual feedback automatic gain adjusting means

Claim 1

A PEAK DETECTOR DEVICE COMPRISING IN COMBINATION WITH A SOURCE OF ASYMMETRICAL DIRECT CURRENT ELECTRICAL SIGNALS; FIRST CIRCUIT MEANS ARRANGED TO DIFFERENTIATE THE ASYMMETRICAL DIRECT CURRENT SIGNALS; FIRST AND SECOND AMPLIFYING CIRCUIT MEANS, EACH HAVING AT LEAST INPUT, OUTPUT, AND COMMON ELECTRODES, CONNECTED IN CASCADE FOR AMPLIFYING SAID DIFFERENTIATED SIGNAL; OUTPUT COUPLING CIRCUIT MEANS INCLUDED IN THE OUTPUT ELECTRODE-COMMON ELECTRODE CIRCUIT OF SAID SECOND AMPLIFYING CIRCUIT MEANS; POTENTIAL SENSITIVE CONTROL CIRCUIT MEANS INCLUDED IN THE COMMON ELECTRODE CIRCUIT OF SAID FIRST AMPLIFYING CIRCUIT MEANS FOR AUTOMATICALLY ADJUSTING THE GAIN THEREOF IN RESPONSE TO CHANGES IN OUTPUT POTENTIAL; FIRST FEED-BACK CIRCUIT MEANS FOR APPLYING AT LEAST A PORTION OF THE POTENTIAL OF THE SAID OUTPUT ELECTRODE OF SAID SECOND AMPLIFYING CIRCUIT MEANS TO SAID CONTROL CIRCUIT MEANS; SECOND FEED-BACK CIRCUIT MEANS FOR APPLYING AT LEAST A PORTION OF THE POTENTIAL OF SAID OUTPUT COUPLING CIRCUIT MEANS TO SAID CONTROL CIRCUIT MEANS; AND A DETECTOR CIRCUIT MEANS CONNECTED TO SAID COUPLING CIRCUIT MEANS FOR PRODUCING AN OUTPUT SIGNAL PULSE AS THE AMPLIFIED DIFFERENTIATED SIGNAL REVERSES POLARITY.