Write data compensating circuit in magnetic recorder

Details Write data compensating circuit in magnetic recorder Write data compensating circuit in magnetic recorder

G - Physics

11

B

352/19.6

G11B 5/09 (2006.01) G11B 20/10 (2006.01)

Patent

CA 1214870

WRITE DATA COMPENSATING CIRCUIT IN MAGNETIC RECORDER ABSTRACT OF THE DISCLOSURE A write data compensating circuit in a magnetic recorder comprising a shifting circuit for shifting binary data in time series and producing front, present, and rear signals regarding the binary data, and a combination logic circuit for effecting a preshift to the present signal provided as write data in accordance with a pattern of the front, present, and rear signals. The combination logic circuit is comprised of a first circuit operative to discriminate a pitch of each two adjacent inversions of magnetization to be created by the write data and a second circuit operative to adjust each pulse width of the write data based on an analysis by the first circuit.

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