Facsimile system having provision for high speed skipping of blank areas

Claim 1

A FACSIMILE SYSTEM INCLUDING A TRANSMITTERE AND A RECEIVER, SAID TRANSMITTER INCLUDING FIRST AND SECOND MEANS FOR SCANNING THE CONTENT OF A MESSAGE-FORM OR THE LIKE, SAID FIRST SCANNING MEANS BEING ARRANGED TO SCAN A PLURALITY OF CONSECUTIVE POSITIONS ON A MESSAGE-FORM IN ADVANCE OF THE SECOND SCANNING MEANS, MEANS FOR EFFECTING RELATIVE MOVEMENT BETWEEN THE SCANNING MEANS AND THE MESSAGE-FORM DURING A SCANNING OPERATION; SAID RECEIVER INCLUDING MEANS FOR RECORDING IN FASCIMILE THE CONTENT OF THE MESSAGE-FORM AS SCANNED BY THE SECOND SCANNING MEANS, MEANS FOR EFFECTING RELATIVE MOVEMENT BETWEEN A SECOND MESSAGE-FORM OR THE LIKE AND THE RECORDING MEANS DURING A RECORDING OPERATION; AND ELECTRIC CIRCUIT MEANS OPERATIVE BY SAID FIRST SCANNING MEANS IN THE ABSENCE OF INFORMATION IN THE SAID PLURALITY OF CONSECUTIVE POSITTIONS ON THE MESSAGE-FORM AT THE TRANSMITTER TO CAUSE SAID RELATIVE MOVEMENTS TO BE EFFECTED IN SYNCHRONISM AT A SPEED IN EXCESS OF NORMAL SCANNING SPEED, AND OPERATIVE BY THE SAID FIRST SCANNING MEANS IN THE PRESENCE OF INFORMATION IN ONE OR MORE OF SAID PLURALITY OF CONSECUTIVE POSITIONS ON THE MESSAGE-FORM AT THE TRANSMITTER TO TERMINATE SAID HIGHER SPEED RELATIVE MOVEMENTS EACH TIME THE SECOND SCANNING MEANS IS IN A POSITION TO SCAN THE INFORMATION PRESENT IN ONE OR MORE OF THE SAID PLURALITY OF CONSECUTIVE POSITIONS ON THE MESSAGE-FORM.