Class 365/14 - Closed loop

Subclass of Class 365 - Static information storage and retrieval
Definition: Subject matter where the path or channel is in the form
No. of patents: 27
Last issue date: 03/10/2009

Number	Title	Issue Date
7502244	Data storage device A data storage device for storing digital information in a readable form is described made up of one or more memory elements, each memory element comprising a planar magnetic conduit capable of sustaining and propagating a magnetic domain wall formed into a continuo...	03/10/2009
7141415	Method for the controlled transport of magnetic beads and device for executing said method The present invention is related to a method and corresponding devices for controlled transport of magnetic beads between a position X and different position Y, such that the magnetic beads are manipulated or transported by applying successively a series of N local ...	11/28/2006
7105409	Semiconductor integrated circuit device and process for producing the same A semiconductor integrated circuit device with third gates comprising second conduction type source/drain diffusion layer regions 205 formed first conduction type well 201, floating gates 203b formed on semiconductor substrate 200 ...	09/12/2006
6720663	Method for manufacturing an integrated memory circuit and an integrated memory circuit In a method for manufacturing an integrated memory circuit, a semiconductor substrate having a front side and a rear side is provided first. The semiconductor substrate is processed on the front side and on the rear side to produce memory cells on the front side and...	04/13/2004
5926414	High-efficiency miniature magnetic integrated circuit structures Magnetic integrated circuit structures exhibit desirable characteristics for purposes of realizing a magnetic semiconductor memory. In combination with a carrier-deflection-type magnetic field sensor, each of a variety of magnet structures realize a condi...	07/20/1999
5295097	Nonvolatile random access memory A nonvolatile random access memory is disclosed having a substrate (50) carrying separate magnetically polarizable domains (19) each surrounded by a full write loop member (18) and arranged to penetrate the Hall channel (36) of a dual drain FET (16) with ...	03/15/1994
4276613	Close-packed bubble propagation device A close-packed magnetic bubble propagation device includes a pattern having a plurality of propagation elements positioned in at least four adjacent rows. These elements are spaced to provide a period or spacing of bubbles in these rows of less than three...	06/30/1981
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
4181977	Random access bubble memory with unified read/write cycle A random access bubble memory directs a plurality of continuous streams of bubbles toward a plurality of storage loops. A write decoder selects one continuous stream of bubbles. An annihilator then transforms this one continuous stream of bubbles into the...	01/01/1980
4181979	Magnetic bubble memory with single-level bubble functional elements Magnetic bubble functional elements are implemented by aperture patterns in a single layer of electrically-conducting material. The operations of the elements are compatible with single-level conductor driven bubble memories described in A. H. Bobeck pate...	01/01/1980
4172290	Closed loop propagation pattern for bubble lattices A bubble storage system includes a closed loop propagation pattern suitable for use with a bubble lattice. The closed loop propagation pattern is folded and contains, for example, segments of a hexagonal lattice connected by 60° turns to obtain a close p...	10/23/1979
4151601	Magnetic domain memory device with an improved detector A magnetic domain memory in which domains are driven along a structure of discrete elements which includes at least two domain detection elements formed by interconnected chevrons. The detection signal is based upon the magnetoresistive effect of the seri...	04/24/1979
4133045	Cylindrical domain memory A cylindrical domain memory has a storage medium constructed in layer form which is provided with cylindrical domains which are magnetized at right angles to the layer plane, the magnetization being directed opposite to the magnetization of the surroundin...	01/02/1979
4128894	Bubble domain circuit organization The disclosed chip design is directed to a multiplexed decoder chip with Mࣙ2. With this arrangement magnetic bubble domains are propagating at one data bit every M cycles (for M = 2 this is every other cycle). Therefore, a unique decoder network using a...	12/05/1978
4100608	Exchange stack buffer memory There is provided a memory system, for example, a magnetic bubble domain memory, which includes an exchange stack buffer memory between a main storage area and other portions of a bubble domain chip organization. The buffer memory includes a plurality of ...	07/11/1978
4085451	Bubble domain circuit organization An on-chip bubble domain circuit organization utilizing a multi-chip concept is provided. One or more storage registers are separately connected to each of a plurality of propagation channels whereby data in the form of magnetic bubble domains (bubbles) m...	04/18/1978
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 to existing major-minor or decoder accessed chip organizati...	11/15/1977
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
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 wheels, ratchets, and even an "electronic light newspaper"....	05/31/1977
4021790	Mutually exclusive magnetic bubble propagation circuits Closed loop propagation channels for magnetic bubbles are mutually exclusively accessed by means of two different sets of repeating sequences of discrete, pulsed magnetic drive field orientations. A closed loop bubble propagation circuit is driven by a re...	05/03/1977
4010454	Magnetic bubble signal generator A magnetic memory including a number of magnetic bubble recirculating loops and a common channel controls the frequency of signals generated by flip-flops connected to a bubble detector in the common channel. A choice of two-out-of-seven loops for bubble ...	03/01/1977
3997877	Timing control means for a magnetic domain memory A non-volatile digital memory is utilized to generate digital pulses for controlling memory operations of a magnetic domain memory system. Each word stored in the memory contains data corresponding to the desired control signals. The digital memory synchr...	12/14/1976
3991411	Single decoder bubble domain chip organization A unique arrangement of magnetic bubble domain devices is utilized to provide an advantageous chip arrangement. One or more storage registers are associated with a controlling path whereby information, for example in the form of magnetic bubbles, is trans...	11/09/1976
3990061	Gapless propagation structures for magnetic bubble domains Gapless, single-sided propagation structures are provided for implementing the continuous movement of magnetic bubble domains in both straight lines and around reverse direction turns under the control of a reorienting in-plane field. One embodiment compr...	11/02/1976
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 a plurality of shift registers which are a convertible st...	06/29/1976
3953841	Closed loop bubble lattice system and method for stabilizing A closed loop bubble lattice system and a method for stabilizing the same is disclosed. The closed loop bubble lattice system contains at least one portion being curved wherein the lattice parameter increases with the radius. In a preferred embodiment a r...	04/27/1976
3940751	Mutually exclusive parallel-sided loops Parallel "crow-foot" circuit elements in different bubble paths symmetrical about an axis parallel to and between the paths propagate bubbles in opposite directions with the same set of pulsed drive fields and are used to build closed loop paths with para...	02/24/1976

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Class 365/14 - Closed loop