Magnetic recording and/or reproducing apparatus

Details Magnetic recording and/or reproducing apparatus Magnetic recording and/or reproducing apparatus

H - Electricity

04

N

352/18

H04N 5/92 (2006.01) H04N 9/79 (2006.01) H04N 9/84 (2006.01)

Patent

CA 1090468

MAGNETIC RECORDING AND/OR REPRODUCING APPARATUS ABSTRACT OF THE DISCLOSURE In recording periodic information signals having first intervals and second intervals which are subdivisions of the first intervals, for example, the chrominance components of color video signals having field and line intervals, and which are recorded in respective areas or increments of successive parallel tracks on a record medium; interference due to cross- talk between signals recorded in next adjacent tracks is substantially reduced or eliminated by recording the information signals in such next adjacent tracks with first and second carriers, respectively, which have their phases changed in opposite directions by 2.pi./N and 2.pi.M, respectively, for successive second intervals, with each of N and M being a whole number greater than 2 which is negative to indicate a phase change or shift in the clockwise direction or positive to indicate a phase change in the counterclockwise direction, and with each of N and M being selected to satisfy the equation 1/N-1/M=1/2.

282621

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