| 摘要 |
A magnetic head driving device which includes an inductor (9) for generating a magnetic field, the inductor having a pair of terminals, first auxiliary coil (5) for storing electromagnetic energy, the first auxiliary coil being connected to one of the terminals of the inductor at a first node, second auxiliary coil (6) for storing an electromagnetic energy, the second auxiliary coil being connected to the other terminal of the inductor at a second node, first main switch (3) connected to the first node, second main switch (4) connected to the second node, and control circuit for receiving a first signal indicating generation of a magnetic field by the inductor and a second signal indicating the direction of a magnetic field generated by the inductor and for outputting the second signal for a predetermined period of time in accordance with the first signal to alternately turn on or off the first main switch and the second main switch. <IMAGE> |
