G - Physics – 11 – B
Patent
G - Physics
11
B
G11B 5/02 (2006.01) G11B 11/105 (2006.01) H03K 17/66 (2006.01) H03K 17/687 (2006.01) G11B 5/00 (2006.01)
Patent
CA 2085763
A magnetic head driving device is disclosed. The device includes an inductor for generating a mag- netic field, the inductor having a pair of terminals, first auxiliary coil for storing electromagnetic ener- gy, the first auxiliary coil being connected to one of the terminals of the inductor at a first node, second auxiliary coil 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 connected to the first node, second main switch 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.
G. Ronald Bell & Associates
Ishii Mitsuo
Sharp Kabushiki Kaisha
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