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6548903 Semiconductor integrated circuit  
In the first and second regions data not concurrently transferred is transferred by using data lines having the respective different wiring layers. The vertical positions of the data lines are...
4703407 Power supply for totem pole power switches  
An improved power supply for power switches arranged in a totem pole configuration is disclosed. A single power supply, having an output voltage substantially less than the voltage applied to the...
4561069 Magnetic bubble memory device gates  
A magnetic bubble memory device comprises minor loops for the storage of information and a major loop operably associated with the minor loops through gates, the minor loops being defined by an...
4546452 Magnetic bubble device  
A magnetic bubble device in which a first propagation path having a cyclic shape formed by selectively implanting ions into a magnetic film capable of holding magnetic bubbles and a second...
4528645 Magnetic bubble memory device  
A magnetic bubble memory device is disclosed in which a magnetic bubble propagation circuit for forming a minor loop is formed by ion implantation, and at least part of a major line or major loop...
4415988 Magnetic bubble memory device  
A magnetic bubble memory device comprises: a magnetic layer which has a first region having the easy axis of magnetization extending in a certain direction and a second region surrounding said...
4414648 Magnetic bubble domain swap gate circuit  
A magnetic bubble domain swap gate circuit (28) for use with a magnetic bubble element having an information transmission line along which magnetic bubble domains are transferred and an information...
4403305 Non-data reversing bubble transfer switch for contiguous disks  
An improved non-data reversing one-way bubble transfer switch for contiguous disks is disclosed. The switch has a conductor arrangement in which one edge of the conductor is substantially...
4384344 Layout for single level block access chip  
An improved layout for single level, block access, magnetic bubble domain chips is provided. In the improved layout, single level devices and conductors are provided. The improvement resides...
4370735 Magnetic bubble memory device  
A magnetic bubble memory device having a bubble generator which generates a magnetic bubble by conducting a pulse current on its hairpin-shaped conductor loop and a major propagation circuit for...
T102502 Gap elimination in memory data accession  
This invention relates to the reduction of gaps in the flow of data accessed in a synchronous serial storage serial communicating data processing memory by the provision of access storage...
4360904 Segmented stretcher detector for magnetic bubble domain devices  
A magnetic bubble domain device including a segmented stretcher detector. The detector is formed from a propagation path for magnetic bubble domains, and a first replicator disposed adjacent the...
4357682 Conductorless transfer for magnetic bubble memories  
A conductorless transfer is provided for a large-gap tolerant Permalloy pattern for moving magnetic bubbles. The transfer capitalizes on the symmetry of the elements for enabling a field reversal...
4346455 Crossover junction for magnetic bubble domain circuits  
A magnetic bubble domain circuit which permits the information in two separate propagation paths to crossover each other without deleterious effects. The crossover junction includes at least two...
4340942 Permalloy-first bubble switch  
A permalloy-first bubble switch has two curved propagation elements positioned on a layer of bubble domain supporting material. A curved conductor is superimposed on top of the propagation elements...
4331887 Current switch driving circuit arrangements  
This current switch driving circuitry, particularly for, but not necessarily limited to, inductive device current switching, comprises a pair of output transistors constituting a driving transistor...
4321691 Redundant bubble detector  
A magnetic bubble detector stretches a single magnetic bubble domain across two isolated magneto-resistive sensors so that only one of the sensors needs to be functional in order to detect the...
4301517 Replicate/transfer bubble domain switch  
An active replicate/transfer magnetic bubble domain switch which is especially compatible with gap tolerant structures is provided. The switch includes a broadfaced corner element of relatively...
4271485 Bubble domain storage using improved transfer switch  
A magnetic bubble domain storage device comprising a plurality of storage shift registers and at least one major shift register, which serves to provide bubble domains to the storage register and...
4259727 Magnetic bubble memory device  
A magnetic bubble memory device which comprises special minor loops for storing address information regarding spare minor loops corresponding to defective regular minor loops. The structure of the...
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...
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...
4228521 Phase controlled decoder for bubble memories  
An on-chip magnetic bubble decoder comprising a plurality of sequentially operated gates oriented to be responsive to different phases of the rotating in-plane magnetic field and connected to a...
4225944 Bubble memory chip organization-folded loop type  
A bubble memory organization with a plurality of storage loops in-plane folds allows the selective spacing of transfer and other functional elements from each other eliminating crowded conditions...
4156936 Apparatus and method for improved operation of bubble devices  
SLM field access bubble devices which include at least one conductor crossing a bubble propagation path have severely limited operating margins (especially for small bubbles) for the bubble in the...
4103339 Acoustic surface wave bubble switch  
An acoustic surface wave bubble switch in which a magnetic bubble domain traveling in a thin film magnetic platelet can be guided in alternate directions by application of an acoustic wave. An...
4094005 Magnetic bubble data transfer switch  
A switch device which is disposed between adjacent magnetic bubble domain propagation paths to permit selective, substantially concurrent, exchange of information (i.e. magnetic bubble domains)...
4062003 One-level magnetic bubble switching device  
There is described an improved switching device for use in magnetic bubble domain systems. In this device, chevron propagation paths are utilized. A pair of substantially parallel conductors are...
4058799 Block oriented random access bubble memory  
A block oriented random access memory (BORAM) magnetic bubble domain system which provides increased throughput of information and reduced access or read time for the same information as compared...
4052708 Circular magnetic domain devices  
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...
4040018 Ladder for information processing  
Information processing is conveniently achieved by a structure which uses a novel binary switch. The switch can steer two data streams so that they will either cross one another or bypass one...
4027296 Magnetic plate comprising drivable domains  
A magnetic bubble memory employing first and second domain paths. Domains (bubbles) driven by external means in the first path drive those in the second path producing analogs of gearwheels, cam...
4020476 Magnetic bubble memories with nonobstructing crossings between conductor and permalloy patterns  
A field-access magnetic bubble memory employs both a pattern of magnetic elements to define paths along which bubbles move in reponse to a magnetic field reorienting in the plane of bubble movement...
3971005 Dual access magnetic domain memory  
A magnetic domain memory system includes a domain propagation track, having a plurality of minor loops of equal domain capacity, first and second major loops of equal domain capacity and first and...
3967263 Text editing system  
A text editing system which is completely comprised of magnetic bubble domain components (or charge-coupled devices) is described. The essential parts of the system are a passive storage comprising...
3940631 Magnetic bubble logic gates  
Three magnetic bubble logic gates are disclosed in this application. One gate produces the AND and NAND logic functions, one gate produces the OR and NOR logic functions, and the third gate...
3916397 Circulating access memory device  
An improved circulating access memory is provided by connecting a desired number of sub-minor loops serially to each minor loop of a major-minor loop type bubble mass memory through a plurality of...
3916396 Bubble domain circuit  
A magnetic bubble domain memory of the major loop and minor loop type is constructed of thin film elements placed on an orthoferrite or the like material for retaining bubble domains. The pattern...
3896421 Bi-directional magnetic domain transfer circuit  
This invention relates to the transfer of single-wall magnetic domains between two independent circuits identified as a major loop and a minor loop. The invention discloses the use of two separate...
3895364 Bubble domain propagation circuit  
Conventional bubble domain memories which have a large capacity and are compact generally employ rotating field propagation circuits. Recently, parallel bar propagation circuits, which move bubbles...
3895363 Magnetic domain counter  
A magnetic domain bubble counter includes closed-end counting loops formed by domain propagating patterns having different numbers of pattern cells. Each cycle of rotation of a magnetic drive field...
3876995 Magnetic bubble switches  
Magnetic bubble switches are provided for switching magnetic bubbles between permalloy tracks on which the bubbles are propagating. According to one embodiment of the invention, a current conductor...
3858188 MULTIPHASE MAGNETIC BUBBLE DOMAIN DECODER  
A multiphase bubble domain decoder having significantly reduced interconnections and requiring a minimum of drivers. Bubble domains are steered in various channels rather than being inhibited in...
3838407 BUBBLE MEMORY ORGANIZATION WITH TWO PORT MAJOR/MINOR LOOP TRANSFER  
A magnetic bubble organization including a major loop which does not close on itself, but which does pass each of the minor loops in the same order to provide two locations in each minor loop for...
3828330 CYLINDRICAL DOMAIN PROGATION PATTERN  
A magnetic storage device of the so-called cylindrical domain type, employing a layer of magnetic garnet or magnetic orthoferrite, has a manipulation pattern composed of a nickel-iron alloy applied...
3824567 MAGNETIC DOMAIN CODE REPEATER  
A magnetic domain (bubble) device which receives a coded train (1's and 0's) of input magnetic bubbles and continuously regenerates identically coded trains of output magnetic bubbles until reset....
3806901 RAPID ACCESS CYLINDRICAL MAGNETIC DOMAIN MEMORY  
A cylindrical magnetic domain memory is described using a plurality of main storage domain circulating loops around an auxiliary loop. A single cylindrical domain detector operatively oriented at...
3798607 MAGNETIC BUBBLE COMPUTER  
In a general purpose computer system operating on a fetch-execute cycle, arithmetic, logic, storage and control functions are carried out by means of magnetic bubble circuits. A plurality of logic...
3760386 MAGNETIC DOMAIN LOGIC DECODER  
Gate for directing propagation of bubble domains entering an intersection of propagation channels comprises a pair of closed loop channels, one within the other, the outer loop having a...
3757314 MAGNETIC BUBBLE DECODER  
A magnetic bubble decoder employs forward magnetic bubble paths each forming a magnetic bubble shift loop, backward magnetic bubble paths, series switches disposed in the forward bubble paths, for...
Matches 1 - 50 out of 58 1 2 >