Magnetic domain memory

Details Magnetic domain memory Magnetic domain memory

1974-11-29

1976-12-21

Moffitt, James W.

Communications: electrical

Digital comparator systems

G11C 1908

Patent

active

039991725

ABSTRACT:
A magnetic domain memory having a layer of magnetic material in which magnetic domains can be moved under the influence of an external magnetic force. The memory includes a plurality of closed loops for the storage and guided movement of magnetic domains. Each magnetic domain in each memory storage loop has a virtual position with respect to all the other magnetic domains in that loop. A magnetic domain generator creates the magnetic domains for movement along an input path to the memory storage loops. A separate output path allows movement of the magnetic domains from each memory storage loop to a detection point where a detector senses the presence of magnetic domains. A first one-way gate at a first point on each loop transfers magnetic domains from the input path into that loop. A second one-way gate at a second point on each loop transfers magnetic domains from that loop to the output path. A transfer control, synchronized with the movement of the magnetic domains, selectively operates the first and second one-way gates. Thus, when a magnetic domain is transferred out of its virtual position in a memory storage loop at the second point on that loop by the second one-way gate, a new magnetic domain may be transferred into the same virtual position by the first one-way gate when the virtual position next reaches the first point on that loop.

REFERENCES:
patent: 3737882 (1973-06-01), Furuoya
patent: 3806901 (1974-04-01), Buhrer
patent: 3838407 (1974-09-01), Juliussen
IEEE Transactions on Computers--vol. C-22, No. 3, Mar. 1973, pp. 269-275.

Affiliated with

Also associated with

Rating

Magnetic domain memory does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Magnetic domain memory, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Magnetic domain memory will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1842154