CPC Subgroup
H04N 5/7491 Full Title
Details of television systems (scanning details or combination thereof with generation of supply voltages H04N3/00) > Projection arrangements for image reproduction, e.g. using eidophor
H04N 5/7491 Details of television systems (scanning details or combination thereof with generation of supply voltages H04N3/00) > Projection arrangements for image reproduction, e.g. using eidophor