Device for automatically controlling water jets of artificial fountains in synchronism with musical sounds

Claim 1

AN AUTOMATIC CONTROL DEVICE FOR CONTROLLING PERFORMANCE OF WATER FOUNTAINS RESPONSIVE TO MUSICAL SELECTIONS, SAID DEVICE COMPRISING, IN COMBINATION, SELECTIVELY OPERABLE WATER VOLUME CONTROL MEANS CONTROLLING THE DYNAMIC OPERATION OF A FOUNTAIN; SELECTIVELY OPERABLE COLORED ILLUMINATION MEANS FOR THE FOUNTAIN; TRANSDUCER MEANS OPERABLE TO CONVERT MUSICAL SOUNDS INTO CORRESPONDING ELECTRICAL SIGNALS; FILTER CIRCUIT MEANS CONNECTED TO SAID TRANSDUCER MEANS AND OPERABLE TO SEPARATE SAID ELECTRICAL SIGNALS INTO RESPECTIVE FREQUENCY BANDS TO PROVIDE PLURAL RESPECTIVE BAND FREQUENCY SIGNALS; DISCRIMINATOR CIRCUIT MEANS CONNECTED TO SAID TRANSDUCER MEANS AND OPERABLE TO PROVIDE RESPECTIVE SOUND VOLUME SIGNALS AND SOUND RHYTHM SIGNALS CORRESPONDING TO SAID ELECTRICAL SIGNALS; COMBINING MEANS CONNECTED TO SAID FILTERING CIRCUIT MEANS AND TO SAID DISCRIMINATOR CIRCUIT MEANS AND OPERABLE TO COMBINE EACH BAND FREQUENCY SIGNAL WITH A SOUND VOLUME SIGNAL AND A RHYTHM SIGNAL TO PROVIDE PLURAL RESPECTIVE COMBINED CONTROL SIGNALS EACH CORRESPONDING TO A RESPECTIVE COMBINATION OF BAND FREQUENCY, SOUND VOLUME AND RHYTHM; AND MEANS, INCLUDING CIRCUIT CONNECTIONS, CONNECTING SAID COMBINING MEANS TO SAID WATER VOLUME CONTROL MEANS AND SAID COLORED ILLUMINATION TO CONTROL THE SAME TO VARY THE DYNAMIC OPERATION AND COLORED ILLUMINATION OF THE FOUNTAIN IN ACCORDANCE WITH VARIATIONS IN THE SOUND FREQUENCY, SOUND VOLUME AND RHYTHM OF THE MUSICAL SELECTION.