Electrically-controlled phonograph apparatus

Claim 1

IN A PHOTOGRAPH APPARATUS, A FRAME, AN ELECTRICALLY CONDUCTIVE PHONOGRAPH RECORD REVOLVABLY MOUNTED ON THE FRAME; SAID RECORD HAVING AT LEAST ONE INSULATIVE REGION THEREON INTERMEDIATE THE START AND THE FINISH OF ITS SOUND GROOVE, AN ELECTRIC MOTOR WITH MEANS ARRANGED TO TURN SAID RECORD WHEN THE MOTOR IS ACTUATED, A PICK-UP ARM SWINGABLY MOUNTED ON THE FRAME, FOR MOVEMENT ACROSS SAID RECORD; SAID PICK-UP ARM HAVING MEANS INCLUDING A STYLUS ASSOCIATED WITH A DIAPHRAGM; SAID STYLUS BEING POSITIONED TO CONTACT SAID RECORD; SAID LAST-MENTIONED MEANS BEING ADAPTED WHEN THE RECORD IS TURNING AND SAID STYLUS IS IN A SOUND GROOVE ON SAID RECORD, TO TRANSLATE VIBRATIONS OF SAID STYLUS INTO SOUND; SAID PICK-UP ARM BEING BIASED SO THAT SAID STYLUS NORMALLY CONTACTS SAID RECORD AND SAID STYLUS AND RECORD ARE INTERPOSED IN THE CIRCUIT FOR ACTUATING SAID MOTOR; SAID RECORD AND STYLUS CONSTITUTING A FIRST SWITCH MEANS INTERPOSED IN SAID CIRCUIT TO CONTROL MOTOR OPERATION; SAID STYLUS AND RECORD BEING INSULATED FROM EACH OTHER BY SAID INSULATED RINGS TO INTERRUPT THE OPERATION OF THE MOTOR.