Stray field and DC remanent suppression in high-speed magnetic t

Details Stray field and DC remanent suppression in high-speed magnetic t Stray field and DC remanent suppression in high-speed magnetic t

1991-02-19

1993-01-12

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

Record copying

Contact transfer

G11B 509

Patent

active

051794756

ABSTRACT:
An array of an odd number of alternatingly polarized permanent magnets of equal pole strength, disposed in side by side relationship, provides a spatially varying magnetic transfer field for a master and slave tape wrapping a rotatable capstan. First and second terminator magnets, located, respectively, at opposite ends of the array, are similarly polarized with respect to each other, but opposite the polarization of the end magnets of the array. Furthermore, each terminator magnet has a magnetic moment that is less than the magnetic moment of each magnet in the array. Each terminator magnet serves (1) to suppress stray magnetic fields associated with the corresponding end magnet in the array, and (2), in combination with the odd number of alternatingly polarized magnets in the array, to suppress DC residual magnetization in the slave tape.

REFERENCES:
patent: 4110797 (1978-08-01), Hoshino et al.
patent: 4422106 (1983-12-01), Sawazaki

Affiliated with

Also associated with

Rating

Stray field and DC remanent suppression in high-speed magnetic t does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Stray field and DC remanent suppression in high-speed magnetic t, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Stray field and DC remanent suppression in high-speed magnetic t will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1223833