Noncirculating register for bubble memory systems

Details Noncirculating register for bubble memory systems Noncirculating register for bubble memory systems

1977-10-12

1979-05-29

Moffitt, James W.

Static information storage and retrieval

Magnetic bubbles

Plural interacting paths

365 12, G11C 1908

Patent

active

041569377

ABSTRACT:
A noncirculating register for bubble memory systems is comprised of a propagation track, or shift register, which allows the transmission of bubbles in a serial path, a plurality of bubble idlers formed in an array parallel and adjacent to the propagation track and coupled thereto and a single current conductor arranged in such a fashion that there is a loop formed in the vicinity of each idler location, said loop extending into the propagation track which contains the normal straight line path of the conductor. By properly current pulsing the conductor loop in proper relationship to the rotating in-plane magnetic field, bubbles may be transferred in, transferred out, replicated out or annihilated in the various idler locations with respect to the contents of the propagation track. Without a current pulse, the contents of the idler locations and the propagation track have no effect on one another.

REFERENCES:
patent: 3555527 (1971-01-01), Perneski
patent: 4056812 (1977-11-01), Bobeck et al.
IBM Technical Disclosure Bulletin-vol. 14, No. 6, Nov. 1971, pp. 1915-1916.

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