Remote volume control

Claim 1

A REMOTE VOLUME CONTROL COMPRISING A PAIR OF SIGNAL-INPUT TERMINALS, A PAIR OF SIGNAL OUTPUT TERMINALS, A T PAD CONNECTING SAID PAIR OF INPUT TERMINALS TO SAID PAIR OF OUTPUT TERMINALS, SAID T PAD INCLUDING A FIRST AND SECOND PHOTO-RESISTIVE MEMBER CONNECTED IN SERIES BETWEEN ONE OF SAID INPUT TERMINALS AND ONE OF SAID OUTPUT TERMINALS, SAID PHOTO-RESISTIVE MEMBERS BEING MADE OF A MATERIAL HAVING A RESISTANCE WHICH VARIES INVERSELY WITH THE ILLUMINATION FALLING THEREON, A CENTER-LEG RESISTOR CONNECTED BETWEEN SAID SERIES-CONNECTED PHOTO-RESISTIVE MEMBERS AND THE OTHER ONES OF SAID INPUT AND OUTPUT TERMINALS, A LOAD RESISTOR CONNECTED BETWEEN SAID OUTPUT TERMINALS, A LAMP POSITIONED FOR ILLUMINATING SAID FIRST AND SECOND PHOTO-RESISTIVE MEMBERS WITH THE LIGHT THEREFROM, A FILTER POSITIONED BETWEEN SAID LAMP AND SAID FIRST AND SECOND PHOTO-RESISTIVE MEMBERS FOR PREVENTING ILLUMINATION WITHIN A PREDETERMINED SPECTRAL RANGE FROM REACHING SAID PHOTO-RESISTIVE MEMBERS, A POTENTIOMETER HAVING A RESISTANCE AND A SLIDER ARM, MEANS CONNECTING ONE SIDE OF SAID LAMP TO SAID SLIDER ARM, A SOURCE OF ENERGY FOR SAID LAMP HAVING A PAIR OF OUTPUT TERMINALS, MEANS CONNECTING THE OTHER SIDE OF SAID LAMP WITH ONE OF THE PAIR OF OUTPUT TERMINALS OF SAID SOURCE OF ENERGY, A FIRST RESISTOR CONNECTING ONE SIDE OF SAID POTENTIOMETER RESISTOR TO SAID ONE OF SAID PAIR OF ENERGY-SOURCE OUTPUT TERMINALS, A SECOND RESISTOR CONNECTING THE OTHER SIDE OF SAID POTENTIOMETER RESISTANCE TO THE OTHER OF SAID PAIR OF ENERGYSOURCE OUTPUT TERMINALS WHEREBY VARIATION OF SAID POTENTIOMETER VARIES THE ILLUMINATION REACHING SAID PHOTORESISTIVE MEMBERS AND THEREBY THE ATTENUATION PROVIDED BY SAID T PAD.