| 摘要 |
<p>57 A write data compensating circuit in a magnetic recorder comprises a shifting circuit (40) for shifting binary data (Din) in time relation and for producing front, present, and rear signals related to the binary data, and a combination logic circuit (50) for applying 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 comprises a first circuit (51-55) which is operative to detect the pitch of each two adjacent inversions of magnetization to be created by the write data, and a second circuit (58-63) operative to adjust each pulse width of the write data on the basis of an analysis by the first circuit.</p> |
