Magnetic erasing head

Details Magnetic erasing head Magnetic erasing head

G - Physics

11

B

352/29.5

G11B 5/127 (2006.01) G11B 5/008 (2006.01) G11B 5/024 (2006.01)

Patent

CA 1222816

ABSTRACT OF THE DISCLOSURE A magnetic erasing head of a double effective gap type which has gaps different in width to each other, a magnetic center core positioned between the gaps and a winding for inducing a magnetic flux. An erasing signal is supplied to the winding, a wavelength of the erasing signal having a predetermined relationship relative to a length of the magnetic center core.

443843

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