Matches 101 - 150 out of 152 < 1 2 3 4 >
Match Document Document Title
3961316 Mechanically actuated magnetocrystalline counter  
There is disclosed a miniaturized mechanically actuated magnetocrystalline counter comprising a shift register formed in a known manner on a crystal platelet of uniaxially anisotropic material. The...
3958155 Packaged magnetic domain device having integral bias and switching magnetic field means  
A multi-layered package for a magnetic domain device including self-contained in-plane switching magnetic field coils surrounding one or more magnetic domain device chips and a permanent magnet...
3950732 Single technology text editing system  
A text editing system is described which is comprised of single technology elements. That is, the system is comprised of dynamic shift registers which are entirely implemented with either magnetic...
3944991 Magnetic domain memory organization  
The insertion of new data into a major-minor loop memory is effected by selectively controlling the passage of bubbles through at least two gates provided between a bubble generator and the major...
3936883 Magnetic bubble read/write head  
Magnetic bubbles are employed to write and read digitized signals of audio, video and digital data in a magnetic medium, while circumventing the problems associated with high linear tape speed or...
3932827 Magnetic field drive coils for field accessed cylindrical domain memories  
A magnetic field drive coil arrangement includes a hollow rectangular coil form having a pair of rectangular openings at opposite ends of the longitudinal axis of the form, a first coil wound...
3931618 Housing structure and magnetic biasing for bubble memories  
A completely enclosed housing of a magnetically permeable material contains a pair of magnetic discs. A magnetic bubble chip mounted in a gap between the magnetic discs is thereby subjected to a...
3927397 Bias field apparatus for magnetic domain memory device  
An improved apparatus for producing an homogeneous bias field for a magnetic domain memory device. The apparatus uses relatively thin, rectangular permanent magnets above and below a drive...
3905040 Magnetic domain storage disk  
A storage system uses a plate of magnetic material having a two-dimensional regular array of positions in which a domain can each time be written and read by light radiation. The plate rotates at a...
3899779 Magnetic bubble domain system using different types of domains  
A magnetic bubble domain system using different types of magnetic bubble domains for representation of information. Different domain types are characterized by different numbers of vertical Bloch...
3899780 Magnetic bubble store having optical centering apparatus  
A storage system comprising a plate of magnetic material with a two-dimensional regular array of positions. A domain can be written and read in each of said positions by means of electromagnetic...
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...
3885233 Bubble detection systems and multipliers used therein  
In a bubble detection system, the reliability of the bubble detection is improved by multiplying each data bubble to be readout into a multiplicity of simultaneous bubbles which are detected by a...
3883849 Memory utilizing magnetic bubble domain device  
A memory utilizing magnetic bubble domain devices is disclosed, the memory being characterized in that a magnetic bubble domain shift loop is formed in a circular form on a plane of the memory...
3879585 Single wall domain memory arrangement  
A low power magnetic bubble memory for use in, for example, telephone repertory dialer operation is achieved with existing bubble functional elements. An electrical conductor pattern is adapted to...
3879716 Mutually exclusive magnetic bubble propagation circuits with discrete elements  
A magnetic bubble overlay circuit element, nicknamed the "crow-foot" element, has a straight bar or stem portion with a pair of angled arms in the form of staggered barb-like projections. One of...
3878542 Movable magnetic domain random access three-dimensional memory array  
There is disclosed a random access memory device wherein binary bits of information are stored by moving mobile cylindrical magnetic domains in anisotropic ferromagnetic crystal platelets between...
3876994 PLANAR BIAS FIELD CONTROL OF MAGNETIC BUBBLE DOMAIN APPARATUS  
A bias magnetic field H p is produced in the plane of the magnetic sheet in which bubble domains exist, in any type of bubble domain apparatus. This planar bias field alters the spin system within...
3864671 PACKAGE STRUCTURE FOR MOVABLE MAGNETIC DOMAIN DEVICES  
There is disclosed a package or housing structure for signal translating or memory devices employing cylindrical magnetic domains (commonly called bubbles) in uniaxially anisotropic magnetic...
3848209 MAGNETIC FIELD COIL ASSEMBLY FOR A MAGNETIC BUBBLE DOMAIN DEVICE  
A modular orthogonal coil assembly for providing propagating magnetic fields for magnetic bubble domains has upper and lower boards and interconnecting side sheets, all of which carry etched sets...
3836896 NON-VOLATILE MAGNETIC DOMAIN DEVICE HAVING BINARY VALUED BIAS FIELD EXCITATION  
A packaged magnetic domain device provided with a bias magnetic field whose magnitude is adjustable to one of two different values for domain formation and domain erasure, respectively. The domain...
3831156 BIASING APPARATUS FOR MAGNETIC DOMAIN STORES  
This invention relates to magnetic biasing apparatus for devices employing cylindrical magnetic domains (commonly called bubbles) in a uniaxially anisotropic magnetic medium such as a single...
3831154 SINGLE AND POLYCRYSTALLINE SEMICONDUCTORS  
A class of either single crystal or polycrystalline ferromagnetic materials containing an iron oxide whose resistivity vs. temperature characteristic is such that the resistivity decreases...
3824573 MAGNETIC BUBBLE RESONANCE SENSOR  
A magnetic sensor to sense the presence or absence of a bubble domain at selected locations in a magnetic bubble memory or logic element, employing magnetic resonance phenomena to sense the bubble...
3811110 ARRANGEMENT FOR NORMALIZING TWO-DIMENSIONAL PATTERN  
An arrangement for normalizing a two-dimensional pattern, wherein a pattern input unit and a pattern detecting unit are respectively provided along the X-axis and Y-axis of a memory array which...
3806899 MAGNETORESISTIVE READOUT FOR DOMAIN ADDRESSING INTERROGATOR  
There are disclosed digital data processing and memory devices wherein the detection of one or more cylindrical uniaxial magnetic domains each representing a stored bit of digital data in a first...
3806903 MAGNETO-OPTICAL CYLINDRICAL MAGNETIC DOMAIN MEMORY  
This invention relates to devices employing cylindrical magnetic domains (commonly called bubbles) in a uniaxially anisotropic magnetic medium such as a single crystal platelet for the analysis and...
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...
3793639 DEVICE FOR THE MAGNETIC STORAGE OF DATA  
A device for the magnetic recording of information in which information is written on a magnetisable medium by means of the external field of a stable cylindrical magnetic domain which is supported...
3793640 DEVICE FOR THE MAGNETIC DOMAIN "BUBBLE" STORAGE OF DATA  
A device for the magnetic storage of information in which information is written on a magnetizable medium by means of the external field of a stable magnetic domain which is supported by a plate of...
3789375 SINGLE WALL DOMAIN NUCLEATOR  
A new mechanism for bubble domain generation permits nucleation with less power than previously expected. A nucleation pulse of a particular form enables the mechanism to be employed without...
3786428 PATTERN CLASSIFICATION EQUIPMENT  
A pattern classification system responds to an n-dimensional binary pattern and classifies the pattern in accordance with previously stored weighting coefficients. The n-dimensional pattern is...
3786445 INTEGRATED MAGNETIC BUBBLE AND SEMICONDUCTOR DEVICE  
A magnetic bubble device and its associated read, write, propagation, sensing, addressing, driving, timing and control elements are combined in a unitary magnetic sheet-semiconductor structure.
3765004 MAGNETIC DOMAIN SERIAL-TO-PARALLEL ARRANGEMENT  
A magnetic domain serial-to-parallel converter is realized by a magnetically soft overlay geometry which controls the movement of single wall domains in a slice of magnetic material in response to...
3760357 TWO-DIMENSIONAL PATTERN NORMALIZER  
A two-dimensional pattern normalizer includes a first and a second shift register array disposed on a substrate of magnetic material, such as orthoferrite, said first array being disposed at a...
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...
3753253 MAGNETIC DOMAIN SWITCHING MATRIX AND CONTROL ARRANGEMENT  
A magnetic domain switching matrix arrangement is realized by a magnetically soft overlay geometry which controls the movement of single wall domains in a slice of magnetic material in response to...
3751597 TIME DIVISION MULTIPLEX NETWORK SWITCHING UNIT  
A time slot interchanger has an input signal delay path of selectable delay coupled to an input thereof. An input signal converter receives, in electrical form, different time division multiplex...
3750154 BUBBLE DOMAIN CHIP ARRANGEMENT  
A space displacement arrangement of magnetic domain chips with respect to each other, which allows packaging with a minimum number of memory interconnections and low operating power. In addition,...
3742471 BUBBLE DOMAIN APPARATUS  
Bubble domain apparatus comprising a plurality of bubble domain elements, each of which has a bias magnetic field applied thereto by a permanent magnet sheet having an equivalent diameter...
3736577 DOMAIN TRANSFER BETWEEN ADJACENT MAGNETIC CHIPS  
A structure for cylindrical, single wall magnetic domains using a plurality of magnetic chips to achieve large size devices, such as long shift registers. The magnetic chips are pieced together and...
3723985 ELECTRICALLY CONTROLLABLE STEERING ARRANGEMENT FOR MAGNETIC SINGLE-WALL DOMAIN PROPAGATION PATHS  
An electrically controllable transfer circuit located at the intersection of plural magnetic single-wall domain field access propagation paths is provided with electric current pulses that are...
3713118 SINGLE WALL DOMAIN FANOUT CIRCUIT  
An arrangement of magnetically soft overlay elements on a magnetic material, in which single wall domains can be moved, is designed to generate two domains for each domain advanced to it in...
3711838 MAGNETIC DEVICE FOR DOMAIN WALL PROPAGATION  
Magnetic planar modules have cylindrical domains magnetized normal to the planar surfaces of the modules and are propagated by the introduction of a rotating field transverse the domains in the...
3703712 MASS MEMORY ORGANIZATION  
Layers of materials in which single wall domains can be moved and operated in the familiar field access mode are organized in an array and operated in a word-organized block access fashion which...
3701126 STATIC NON-DESTRUCTIVE SINGLE WALL DOMAIN MEMORY WITH HALL VOLTAGE READOUT  
A memory system having single wall domains movable between determinate stable positions and including a Hall probe element matrix arrangement, each element in alignment with one of such positions.
3699552 MAGNETIC BUBBLE DEVICE AND METHOD OF MANUFACTURE  
For a magnetic bubble device, circuitry and support structure is disclosed which employs a glaze layer. The glaze isolates two layers of control conductors from each other, supports a magnetic...
3513452 SINGLE DOMAIN WALL PROPAGATION IN MAGNETIC SHEETS  
3471840 NDRO OF SINGLE DOMAIN WALLS IN A MAGNETIC SHEET MEMORY  
3470546 MAGNETIC MEMORY ARRANGEMENT COMPRISING DOMAIN WALL PROPAGATION CHANNELS  
Matches 101 - 150 out of 152 < 1 2 3 4 >