Electric clock

Claim 1

AN ELECTRIC CLOCK WHICH COMPRISES; A CLOCKWORK DRIVING MECHANISM IN THE FORM OF A COMMUTATORLESS DIRECT CURRENT MOTOR, SAID MOTOR INCLUDING A FIRST MEMBER IN FORM OF A STATOR AND A SECOND MEMBER IN FORM OF A ROTOR, ONE OF SAID MEMBERS BEING PROVIDED WITH AT LEAST ONE PERMANENT MAGNET AND THE OTHER OF SAID MEMBERS BEING PROVIDED WITH AT LEAST ONE CONTROL COIL ADAPTED IN RESPONSE TO A RELATIVE MOVEMENT BETWEEN SAID STATOR AND SAID ROTOR PERIODICALLY TO PRODUCE CONTROL IMPULSES IN SAID CONTROL COIL, AMPLIFIER MEANS CONNECTED TO SAID CONTROL COIL OPERABLE FOR AMPLIFYING SAID CONTROL IMPULSES, AT LEAST ONE OPERATING COIL ON SAID OTHER OF SAID MEMBERS ELECTRICALLY CONNECTED TO THE OUTPUT CIRCUIT OF SAID AMPLIFIER MEANS TO RECEIVE THE AMPLIFIED PULSES THEREFROM AND OPERABLE FOR PRODUCING DRIVING IMPULSES ON SAID ROTOR FOR MAINTAINING THE ROTARY MOVEMENT OF SAID ROTOR, SAID AMPLIFIER MEANS HAVING A POWER OUTPUT IN EXCESS OF THE MAXIMUM POWER REQUIREMENT OF SAID CLOCKWORK, A NON-UNIFORMLY ROTATING ESCAPEMENT WHEEL AND A BALANCE WHEEL OPERATIVELY ASSOCIATED THEREWITH, BUFFER SPRING MEANS DRIVINGLY CONNECTING SAID ROTOR WITH SAID NON-UNIFORMLY ROTATING ESCAPEMENT WHEEL, SAID AMPLIFIER MEANS INCLUDING ELECTRICAL CONTROL MEANS RESPONSIVE TO AN ELECTRICAL SIGNAL FOR REDUCING THE AMPLIFYING FACTOR THEREOF, FEED BACK MEANS OPERATIVELY ASSOCIATED WITH SAID BALANCE WHEEL AND SENSITIVE TO THE OSCILLATION RANGE OF SAID BALANCE WHEEL FOR PRODUCING AN ELECTRICAL CONTROL SIGNAL VARIABLE IN CONFORMITY WITH THE OSCILLATION AMPLITUDE OF SAID BALANCE WHEEL, AND CONDUCTOR MEANS CONNECTING SAID FEED BACK MEANS WITH SAID ELECTRICAL CONTROL MEANS OF SAID AMPLIFIER.