Apparatus for eliminating midfield skew error by delaying the lo

Details Apparatus for eliminating midfield skew error by delaying the lo Apparatus for eliminating midfield skew error by delaying the lo

1986-01-06

1988-04-19

Cardillo, Raymond F.

Dynamic magnetic information storage or retrieval

Manual input recording

360 23, 358310, 358330, H04N 5782, H04N 981

Patent

active

047394196

ABSTRACT:
A video tape reproduction apparatus is operable in a conventional mode in which a field of video information is recorded in a single track on magnetic tape, and in a high quality mode in which a field of video information is recorded in two adjacent tracks. In the high quality mode, in order to minimize skew errors (which may occur during playback when switching in mid-field from track to track), the second half of the field is delayed before it is recorded in the second track. Preferably the first half of each field is recorded with an integral number of horizontal lines so that switching is effected during a horizontal blanking interval.

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