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| Number | Title | Issue Date |
| 5420754 | Stacked board assembly for computing machines, including routing boards A system is described for arraying multi-device processing nodes in a 3-dimensional computing architecture and for flexibly connecting their ports. The topology of each processing node is of a fixed and constant physical geometry. The nodes may comprise a... | 05/30/1995 |
| 4486858 | Magnetic-bubble memory device A magnetic-bubble memory device comprising a bubble propagation path defined by patterns of magnetically soft material, along which magnetic bubbles propagate in response to an in-plane rotating magnetic drive field. The bubble propagation path has a firs... | 12/04/1984 |
| 4246648 | Phase controlled replicate/swap gate for bubble memories Replicate/swap gating circuitry comprising separate gates oriented to be responsive to different phases of an in-plane magnetic field for transferring data to and from an adjacent storage loop in a bubble memory, said gate being formed of magnetic domain ... | 01/20/1981 |
| 4246649 | Phase controlled gating In a magnetic bubble (domain) memory chip, transfer gating circuits of propagate elements oriented to be responsive to different phases of in-plane rotating magnetic field are operated by a single conductor which is subjected to current pulses during a sp... | 01/20/1981 |
| 4207614 | Magnetic bubble shift register store A magnetic bubble shift register store having a plate of magnetic material whose preferred magnetization direction extends transverse to the plane of the plate and in which bubbles are situated, said plate having two separate, elongated generally parallel... | 06/10/1980 |
| 4200924 | Logical operation circuit using magnetic bubbles A logical operation circuit for performing a desired logical operation by transferring at least one magnetic bubble on a plurality of magnetic bubble transfer routes paths employing chevron patterns, in which two neighboring ones of the magnetic bubble tr... | 04/29/1980 |
| 4151602 | Magnetic bubble multilayer arrangement A magnetic bubble device comprising a non-magnetic substrate layer, and a sequence of magnetic layers joined to each other and to the magnetic substrate layer, e.g. by epitaxial growing of crystalline layers, whereby at least two of the magnetic layers ma... | 04/24/1979 |
| 4122537 | Magnetic bubble crossover circuit A crossover circuit for propagating magnetic domain bubbles in different directions under the drive of an in-plane rotating magnetic field. The crossover circuit includes intersecting vertical and horizontal elements and a pair of L combinations each havi... | 10/24/1978 |
| 4117543 | Magnetic bubble logic family A set of three input, three output bubble logic gates forms all of the possible distinct output functions for conservative three variable gates. The magnetic interaction between single wall domains propagating through separate channels defined by closely ... | 09/26/1978 |
| 4096582 | Field-accessed magnetic bubble mutually exclusive circuits with common elements Composite mutually exclusive field-accessed circuit elements common to a plurality of bubble paths. A channel composed of mutually exclusive circuit elements is linked to an adjacent parallel channel of mutually exclusive circuit elements by means of circ... | 06/20/1978 |
| 4091459 | Store comprising drivable domains A storage device comprising a main magnetic field generator, a rotary magnetic field generator and a number of plates of magnetic material which are arranged transverse to the main magnetic field and in which magnetic domains can be formed and transported... | 05/23/1978 |
| 4085452 | Magnetic domain memory employing all-bubble logic elements A magnetic domain memory including bubble operated access elements for non-destructively reading the memory, for erasing bubbles from the memory and for writing new data into the memory. The access elements comprise retrograde transient bubble switches, e... | 04/18/1978 |
| 4075709 | Large capacity bubble domain memory with redundancy A large capacity bubble memory device using a basic storage cell design. The basic storage cell is repeated, typically in matrix form, on a suitable bubble domain structure. The cell design is arranged so that interconnecting elements between respective c... | 02/21/1978 |
| 4075708 | Large capacity major-minor loop bubble domain memory with redundancy A large capacity bubble memory device using a basic major-minor loop storage cell design. The basic storage cell is repeated, typically in matrix form, on a suitable bubble domain structure. The cell design is arranged so that interconnecting elements bet... | 02/21/1978 |
| 4042916 | Magnetic bubble track crossover element A magnetic bubble domain system in which magnetic bubble domains travel along propagation tracks or paths from one location to another, the complexity of the system being such that individual magnetic bubble domain paths are required to cross each other. ... | 08/16/1977 |
| 4040019 | Ion implanted magnetic bubble memory device having major and minor rows A magnetic bubble domain memory device employing a major row of contiguous regions for major loop bubble travel and a plurality of minor rows of contiguous regions for minor loop bubble travel, wherein the remainder of the magnetic domain-supporting layer... | 08/02/1977 |
| 4040038 | Column accessing of elements in confined arrays A technique for accessing interactive elements, such as magnetic bubble domains, which are in confined arrays where the elements are located with respect to one another in accordance with interactions therebetween. In order to improve the access time to a... | 08/02/1977 |
| 4032905 | Bubble domain circuit organization An on-chip bubble domain circuit organization. One or more storage registers are connected to a propagation path whereby data in the form of magnetic bubble domains (bubbles) may be transferred into and out of the storage registers. The propagation path i... | 06/28/1977 |
| 4028672 | Rewritable bubble domain decoder A rewritable bubble domain decoder employing a novel switch which is used to determine the path of magnetic bubble domains in a magnetic medium. In contrast to other decoders which are defined and unalterable by their structures, the present decoder has a... | 06/07/1977 |
| 4001673 | Method of testing and repairing magnetic bubble domain chip A method of both testing all loops of a long serial magnetic bubble domain chip, and repairing the chip for automatic bypass of defective loops. Each repair station associated with each loop is sequentially loaded with a bubble domain. Then new domains ar... | 01/04/1977 |
| 3952291 | Readout system for magnetic bubbles A technique for enhancing readout of magnetic bubble data by producing two separate, complementary multiplicities of bubbles representing respectively the presences and the absences of bubbles in a data stream. A pair of detectors register the presence of... | 04/20/1976 |
