Magnetic recording and/or reproducing system

Details Magnetic recording and/or reproducing system Magnetic recording and/or reproducing system

1976-12-28

1979-04-24

Richardson, Robert L.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 8, H04N 578

Patent

active

RE0299758

ABSTRACT:
In reducing crosstalk between the low frequency, frequency-converted chrominance portions of h-aligned video signals on adjacent tracks, the frequency converting carrier, but not the entire frequency converted portion, has its polarity inverted at the end of each line interval during the recording of alternate tracks but not during the recording of the remaining alternate tracks. This eliminates the extraneous signal that would otherwise be produced in the balanced modulator of the playback apparatus by any direct voltage offset or transient remanent of a direct voltage offset in the recorded signal.

REFERENCES:
patent: 3821787 (1974-06-01), Kihara

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