公开(公告)号：US4521816A

公开(公告)日：1985-06-04

申请号：US405342

申请日：1982-08-05

申请人： Akihiko Kougami ,  Seiichi Mita ,  Toru Kirino ,  Shusaku Nagahara

发明人： Akihiko Kougami ,  Seiichi Mita ,  Toru Kirino ,  Shusaku Nagahara

IPC分类号： G11B5/09 ,  G11B5/035 ,  G11B20/10 ,  G11B20/14

CPC分类号： G11B20/10194 ,  G11B20/1419 ,  G11B20/1423 ,  G11B5/035

摘要： A magnetic recording method for digital signals, and more particularly to a magnetic head driving current waveform wherein digital signals to be recorded on a magnetic tape at a high density have the waveform of the head driving current shaped in order to reduce the degradation of the waveform. That is, in a case where the period of the current reversal of the driving current is long and continues for at least 1.5 times the bit period, the amplitude of the current in the rise part of the wave is made small. The driving current of this waveform has a reduced waveform degradation, and the magnetic recording at the high density becomes possible.

摘要翻译： 一种用于数字信号的磁记录方法，更具体地说，涉及磁头驱动电流波形，其中以高密度记录在磁带上的数字信号具有形成磁头驱动电流的波形，以便减小波形的劣化 。 也就是说，在驱动电流的电流反转的周期长并且持续至少比位周期的1.5倍的情况下，波的上升部分中的电流的振幅变小。 该波形的驱动电流具有降低的波形劣化，并且可以实现高密度的磁记录。