Television recording and reproducing apparatus with substitute horizontal sync and multiplexed audio

Claim 1

A SYSTEM FOR RECORDING AND REPRODUCING A STANDARD COMPOSITE TELEVISION PROGRAM SIGNAL INCLUDING VIDEO, SOUND, HORIZONTAL LINE AND VERTICAL FIELD SYNCHRONIZING COMPONENTS COMPRISING: FIRST, SECOND AND THIRD INPUT CIRCUITS FOR RESPECTIVELY SUPPLYING A FIRST SIGNAL INCLUDING AT LEAST VIDEO INFORMATION, A SECOND SIGNAL COMPRISING SEPPARATED SYNCHRONIZING COMPONENTS AND A THIRD SIGNAL COMPRISING SOUND INFORMATION; FIRST CIRCUIT MEANS CONNECTED TO SAID FIRST CIRCUIT FOR SUPPRESSING AT LEAST A PORTION OF THE NON-VIDEO INFORMATION FROM SAID FIRST SIGNAL TO DEVELOP SUBSTANTIALLY A VIDEO-ONLY SIGNAL; SECOND CIRCUIT MEANS CONNECTED TO SAID SECOND INPUT CIRCUIT FOR DERIVING FROM SAID SECOND SIGNAL A SECONDARY SYNCHRONIZING SIGNAL; THIRD CIRCUIT MEANS CONNECTED TO SAID THIRD INPUT CIRCUIT FOR SAMPLING SAID THIRD SIGNAL AT HORIZONTAL LINE FREQUENCY TO DEVELOP AN AMPLITUDE MODULATED PULSE SIGNAL HAVING A PREDETERMINED PHASE RELATION TO SAID SECONDARY SYNCHRONIZING SIGNAL; COMBINING MEANS CONNECTED TO THE OUTPUT OF SAID FIRST, SECOND AND THIRD CIRCUIT MEANS FOR COMBINING SAID AMPLITUDE MODULATED PULSE SIGNAL, SAID SECONDARY SYNCHRONIZING SIGNAL AND SAID SUBSTANTIALLY VIDEO-ONLY SIGNAL IN PROPER TIME SEQUENCE; MEANS FOR RECORDING SAID COMBINED SIGNALS ON A RECORD MEDIUM; PICKUP MEANS FOR DERIVING SAID RECORDED SIGNAL FROM SAID MEDIUM; FOURTH CIRCUIT MEANS FOR SEPARATING SAID AMPLITUDE MODULATED PULSE SIGNALS, SAID SECONDARY SYNCHRONIZING SIGNAL AND SAID SUBSTANTIALLY VIDEO-ONLY SIGNALS; AND A PLURALITY OF OUTPUT CIRCUITS INDIVIDUALLY RESPONSIVE TO SAID SEPARATED SIGNALS.

Claim 2

A SYSTEM FOR RECORDING AND REPRODUCING A STANDARD COMPOSITE TELEVISION PROGRAM SIGNAL INCLUDING VIDEO, SOUND, HORIZONTAL LINE AND VERTICAL FIELD SYNCHRONIZING COMPONENTS COMPRISING: FIRST, SECOND AND THIRD INPUT CIRCUITS FOR RESPECTIVELY SUPPLYING A FIRST SIGNAL INCLUDING AT LEAST VIDEO INFORMATION, A SECOND SIGNAL COMPRISING SEPPARATED SYNCHRONIZING COMPONENTS AND A THIRD SIGNAL COMPRISING SOUND INFORMATION; FIRST CIRCUIT MEANS CONNECTED TO SAID FIRST CIRCUIT FOR SUPPRESSING AT LEAST A PORTION OF THE NON-VIDEO INFORMATION FROM SAID FIRST SIGNAL TO DEVELOP SUBSTANTIALLY A VIDEO-ONLY SIGNAL; SECOND CIRCUIT MEANS CONNECTED TO SAID SECOND INPUT CIRCUIT FOR DERIVING FROM SAID SECOND SIGNAL A SECONDARY SYNCHRONIZING SIGNAL; THIRD CIRCUIT MEANS CONNECTED TO SAID THIRD INPUT CIRCUIT FOR SAMPLING SAID THIRD SIGNAL AT HORIZONTAL LINE FREQUENCY TO DEVELOP AN AMPLITUDE MODULATED PULSE SIGNAL HAVING A PREDETERMINED PHASE RELATION TO SAID SECONDARY SYNCHRONIZING SIGNAL; COMBINING MEANS CONNECTED TO THE OUTPUT OF SAID FIRST, SECOND AND THIRD CIRCUIT MEANS FOR COMBINING SAID AMPLITUDE MODULATED PULSE SIGNAL, SAID SECONDARY SYNCHRONIZING SIGNAL AND SAID SUBSTANTIALLY VIDEO-ONLY SIGNAL IN PROPER TIME SEQUENCE; MEANS FOR RECORDING SAID COMBINED SIGNALS ON A RECORD MEDIUM; PICKUP MEANS FOR DERIVING SAID RECORDED SIGNAL FROM SAID MEDIUM; FOURTH CIRCUIT MEANS FOR SEPARATING SAID AMPLITUDE MODULATED PULSE SIGNALS, SAID SECONDARY SYNCHRONIZING SIGNAL AND SAID SUBSTANTIALLY VIDEO-ONLY SIGNALS; AND A PLURALITY OF OUTPUT CIRCUITS INDIVIDUALLY RESPONSIVE TO SAID SEPARATED SIGNALS.

Claim 3

A SYSTEM FOR DERIVING FROM A RECORD MEDIUM HAVING A COMPOSITE SIGNAL RECORDED THEREON INCLUDING VIDEO INFORMATION AND SECONDARY SYNCHRONIZING SIGNALS, VIDEO SIGNALS AND SEPARATE HORIZONTAL SYNCHRONIZING SIGNALS COMPRISING: PICK-UP MEANS FOR DERIVING SAID COMPOSITE SIGNAL FROM SAID MEDIUM; CIRCUIT MEANS CONNECTED TO SAID PICKUP MEANS FOR PASSING SAID COMPOSITE SIGNAL IN THE ABSENCE OF A BLOCKING INPUT THERETO; A FIRST UTILIZATION CIRCUIT CONNECTED TO THE OUTPUT OF SAID CIRCUIT MEANS; GENERATOR MEANS CONNECTED TO SAID PICK-UP MEANS AND RESPONSIVE TO EACH OF SAID SECONDARY SYNCHRONIZING SIGNALS FOR PRODUCING AN INDEPENDENT SERIES OF HORIZONTAL SYNCHRONIZING SIGNALS, A SECOND UTILIZATION CIRCUIT CONNECTED TO THE OUTPUT OF SAID GENERATOR MEANS, AND MEANS COUPLING THE OUTPUT OF SAID GENERATOR MEANS TO SAID CIRCUIT MEANS AS A BLOCKING INPUT THERETO.

Claim 4

A SYSTEM FOR DERIVING FROM A RECORD MEDIUM HAVING A COMPOSITE SIGNAL RECORDED THEREON INCLUDING VIDEO INFORMATION AND SECONDARY SYNCHRONIZING SIGNALS, VIDEO SIGNALS AND SEPARATE HORIZONTAL SYNCHRONIZING SIGNALS COMPRISING: PICK-UP MEANS FOR DERIVING SAID COMPOSITE SIGNAL FROM SAID MEDIUM; CIRCUIT MEANS CONNECTED TO SAID PICKUP MEANS FOR PASSING SAID COMPOSITE SIGNAL IN THE ABSENCE OF A BLOCKING INPUT THERETO; A FIRST UTILIZATION CIRCUIT CONNECTED TO THE OUTPUT OF SAID CIRCUIT MEANS; GENERATOR MEANS CONNECTED TO SAID PICK-UP MEANS AND RESPONSIVE TO EACH OF SAID SECONDARY SYNCHRONIZING SIGNALS FOR PRODUCING AN INDEPENDENT SERIES OF HORIZONTAL SYNCHRONIZING SIGNALS, A SECOND UTILIZATION CIRCUIT CONNECTED TO THE OUTPUT OF SAID GENERATOR MEANS, AND MEANS COUPLING THE OUTPUT OF SAID GENERATOR MEANS TO SAID CIRCUIT MEANS AS A BLOCKING INPUT THERETO.