Synchronizing signal generator for multi-mode operation

Claim 1

A TELEVISION SYNCHRONIZING SIGNAL GENERATOR SYSTEM COMPRISING: A FIRST OSCILLATOR; A REACTANCE MODULATOR TO CONTROL THE FREQUENCY THEREOF; A FREQUENCY DIVIDER CIRCUIT; FIRST MENS CONNECTING SAID OSCILLATOR TO SAID FREQUENCY DIVIDER CIRCUIT TO CONTROL THE OPERATION THEREOF; SECOND MEANS TO GENERATE A DIRECT VOLTAGE SIGNAL; A CIRCUIT INCLUDING A SWITCH TO CONNECT SAID SECOND MEANS TO SAID REACTANCE MODULATOR TO CONTROL THE FREQUENCY OF SAID FIRST OSCILLATOR IN ACCORDANCE WITH THE MAGNITUDE OF SAID DIRECT VOLTAGE; A SECOND SYNCHRONIZING SIGNAL GENERATOR HAVING A SECOND OSCILLATOR; THIRD MEANS TO DERIVE A DIRECT VOLTAGE HAVING A MAGNITUDE DEPENDENT UPON THE RELATIVE FREQUENCIES OF SAID FIRST AND SECOND OSCILLATORS; A RELAY CONNECTED TO SAID SECOND GENERATOR AND HAVING CONTACT MEANS TO DISCONNECT SAID CIRCUIT AND TO CONNECT SAID SECOND OSCILLATOR TO SAID THIRD MEANS TO CONTROL THE FREQUENCY OF SAID FIRST OSCILLATOR IN ACCORDANCE WITH THE FREQUENCY OF SAID SECOND OSCILLATOR WHEN SAID SECOND GENERATOR IS OPERATING; AND A COLOR SUB-CARRIER GENERTOR, SAID FIRST MEANS COMPRISING A SECOND SWITCH TO CONNECT SAID SUB-CARRIER GENERATOR OR SAID FIRST OSCILLATOR TO SAID FREQUENCY DIVIDER CIRCUIT TO CONTROL THE SAME.