Communications: electrical – Digital comparator systems
Patent
1975-04-29
1977-10-04
Moffitt, James W.
Communications: electrical
Digital comparator systems
G11C 1908
Patent
active
040527085
ABSTRACT:
A cylindrical magnetic domain device which includes a layer of uniaxial magnetic material having a unique easy magnetization direction substantially normal to a major surface thereof; generating means for generating cylindrical magnetic domains within the said layer; propagation means which define at least three propagation paths in which the generated cylindrical magnetic domains can be caused to propagate; and switching means for effecting the transfer of the propagating cylindrical magnetic domains from one of the said propagation paths to at least another one of the said propagation paths, the switching means including at least three magnetically permeable elements formed on the said major surface and oriented relative to each other and the propagation paths in a manner such that expansion of the propagating cylindrical magnetic domains can be effected; and magnetic field impulse generating means positioned to encompass at least the central element of the switching means.
REFERENCES:
patent: 3723716 (1973-03-01), Bobeck et al.
patent: 3797001 (1974-03-01), Chen et al.
patent: 3810133 (1974-05-01), Bobeck et al.
patent: 3876995 (1975-04-01), Clover et al.
Moffitt James W.
Plessey Handel und Investments A.G.
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