CPC Subgroup
H04N 5/12 Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising
Full Title
Details of television systems (scanning details or combination thereof with generation of supply voltages H04N3/00) > Synchronising (for television systems using pulse code modulation H04N7/56) > Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising
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