Bipolar vestigial sideband data signal detector

Claim 1

A RECEIVER FOR BINARY DATE SIGNALS APPEARING AS PHASE REVERSALS OF A SUPPRESSED CARRIER WAVE IN WHICH A QUADRATURE CARRIER-WAVE COMPONENT IS REINSERTED AT A REDUCED LEVEL AND ONE SIDEBAND IS SUPPRESSED TO FORM A VESTIGIAL SIDEBAND LINE SIGNAL SO THAT THE BINARY DATA SIGNALS ARE ENCODED AS PHASE ANGLES LEADING AND LAGGING THE PHASE OF THE REINSERTED CARRIER WAVE COMPONENT BY A PREDETERMINED ANGLE LESS THAN 90 DEGREES COMPRISING A FIRST PHASE-LOCKED OSCILLATOR LOOP CONTROLLED BY SAID LINE SIGNAL PRODUCING AN OUTPUT IN QUADRATURE WITH THE INSTANTANEOUS LINE SIGNAL PHASE ANGLES, A PAIR OF PHASE-SHIFTING NETWORKS DRIVEN IN PARALLEL BY THE OUTPUT OF SAID FIRST OSCILLATOR, ONE OR THE OTHER OF SAID NETWORKS BEING CAPABLE OF ROTATING THE PHASE OF THE OUTPUT OF SAID FIRST OSCILLATOR CORRESPONDING TO A PARTICULAR BINARY SIGNAL TO A COMMON PHASE-OPPOSED RELATION TO SAID REINSERTED CARRIER-WAVE COMPONENT, A SECOND PHASE-LOCKED OSCILLATOR LOOP SELECTIVELY DRIVEN BY ONE OR THE OTHER OF SAID PHASE-SHIFTING NETWORKS ACCORDING TO WHICH BINARY SIGNAL IS DETECTED AND HAVING AN OUTPUT IN QUADRATURE WITH THE PHASE OF SAID REINSERTED CARRIER-WAVE COMPONENT,