Automatic telephone answering and message recording system

Claim 1

IN A DEVICE FOR AUTOMATACIALLY ANSWERING AND RECORDING MESSAGES ON CALLS EXTENDED TO AN UNATTENDED TELEPHONE STATION; A TELEPHONE LINE CONNECTED IN MULTIPLE TO SAID DEVICE AND TO SAID UNATTENDED STATION; A CALLING STATION HAVING ACCESS TO SAID LINE; A FIRST RECORDING MEDIUM HAVING AN OUTGOING MESAGE FOLLOWED BY A SPECIAL SIGNAL RECORDED THEREON; AN OUT-MESSAGE MOTOR FOR DRIVING SAID FIRST MEDIUM; A RINGING CURRENT SOURCE; MEANS FOR APPLYING SAID RINGING CURRENT SOURCE TO SAID TELEPHONE LINE IN RESPONSE TO THE EXTENSION OF A CALL FROM SAID CALLING STATION TO SAID DEVICE; MEANS INCLUDING OUT-MESSAGE REPRODUCING MEANS OPERATED IN RESPONSE TO RECEIPT OF SAID RINGING CURRENT FOR ENERGIZING SAID OUT-MESSAGE MOTOR TO DRIVE SAID FIRST MEDIUM AND REPRODUCE BOTH SAID RECORDED OUTGOING MESSAGE AND SAID SPECIAL SIGNAL FOR TRANSMISSION OVER SAID TELEPHONE LINE TO SAID CALLING STATION TO INFORM SAID CALLING STATION BY MEANS OF SAID OUTGOING MESSAGE TO COMMENCE AN INCOMING MESSAGE SUBSEQUENT TO THE TERMINATION OF SAID SPECIAL SIGNAL; MEANS IN SID DEVICE CONNECTED IN MULTIPLE TO SAID OUT-MESSAGE REPRODUCING MEANS FOR AMPLIFYING AND RECTIFYING ONY SAID SPECIAL SIGNAL; A SECOND RECORDING MEDIUM; AN IN-MESSAGE MOTOR FOR DRIVING AND SAID SECOND MEDIUM; IN MESSAGE RECORDING MEANS; A NORMALLY OPEN ENERGIZING CIRCUIT TO SAID IN-MESSAGE MOTOR; SPECIAL SIGNAL RESPONDING MEANS OPERATED IN RESPONSE TO RECEIPT OF ONLY SAID RECTIFIED SPECIAL SIGNAL FOR A PREDETERMINED PERIOD OF TIME; CONTROL MEANS OPERAT ED IN RESPONSE; TO SAID OPERATION OF SAID SPECIAL SIGNAL RESPONDING MEANS; MEANS OPERATED BY SAID CONTROL MEANS FOR MAINTAINING ITSELF OPERATED, FOR DISCONNECTING SAID OUT-MESSAGE REPRODUCING MEANS FROM SAID TELEPHONE LINE, FOR CONNECTING SAID IN-MESSAGE RECORDING MEANS THERETO AND FOR COMPLETING SAD CIRCUIT TO ENERGIZE SAID IN-MESSAGE MOTOR; SAID SECOND MEDIUM THEREAFTER DRIVEN BY SAID IN-MESSAGE MOTOR TO RECORD AN INCOMING MESSAGE FROM SAID CALLING STATION THEREON; A FORWARD MOTOR AND A REWIND MOTOR, EACH ARRANGED TO PROVIDE SPECIFIC DRIVING CONTROL OF SAID SECOND RECORDING MEDIUM; A PLAY RELAY CONNECTED IN MULTIPLE TO SAID ENERGIZING CIRCUIT OF SAID IN-MESSAGE MOTOR AND OPERATED SIMULTANEOUSLY THEREWITH IN RESPONSE TO THE COMPLETION OF SAID ENERGIZING CIRCUIT; A NORMALLY INCOMPLETE SERIES CIRCUIT TO SAID FORWARD AND SAID REWIND MOTORS; AND MEANS OPERATED IN RESPONSE TO SAID OPERATION OF SAID PLAY RELAY FOR COMPLETING SAID SERIES CIRCUIT TO ENERGIZE SAID FORWARD AND SAID REWIND MOTORS, WHEREBY SAID ENERGIZED MOTORS EXERT A CONSTANT TAKEUP AND BACK PRESSURE ON SAID SECOND RECORDING MEDIUM DURING THE TIME SAID SECOND MEDIUM IS DRIVEN BY SAID IN-MESSAGE MOTOR.