|
Match
|
Document |
Document Title |
|
|
7848603 |
Optical switching based on dipole induced transparency
A normally opaque waveguide interacting with a drop-filter cavity can be switched to a transparent state when the drop filter is also coupled to a dipole. This dipole induced transparency may be...
|
|
|
7724558 |
Magnetic signal transmission line
A magnetic signal transmission line includes a one-dimensional array of a plurality of single-magnetization domains each formed in a ferromagnetic body. The anisotropic energy of the...
|
|
|
7650544 |
Test mode control circuit
Provided is a test mode control circuit capable of preventing an MRS (mode register set) from changing in a test mode exit after a test mode entry. In the test mode control circuit, an MRS...
|
|
|
7394691 |
Semiconductor memory device which prevents destruction of data
A plurality of memory cells each storing n values (n is a natural number which is not smaller than 3) are arranged in a matrix form in a memory cell array, and each memory cell is connected with a...
|
|
|
5473466 |
Magneto-optical display and method of forming such display
A thin transparent epitaxial layer of a magnetizable material (e.g. gallium ferrite) is deposited on a substrate of a dielectric transparent material (e.g. gadolinium gallium garnet). A mask made...
|
|
|
5396455 |
Magnetic non-volatile random access memory
A non-volatile random access memory is described incorporating a plurality of memory cells, each memory cell having a Hall effect device including amorphous magnetic material and a switch for...
|
|
|
4975871 |
Magnetic bubble memory module with interconnection member
According to one embodiment of the present invention, a magnetic bubble memory module comprising a flexible printed circuits substrate (FPC3), on which a magnetic bubble memory chip (CHI) is...
|
|
|
4884235 |
Micromagnetic memory package
A package comprised of a plurality of truncated confocal, ellipsoidal layers of substantially equal length and having a common opening therethrough along a central axis for receiving a...
|
|
|
4868786 |
Magnetic bubble memory with main and auxiliary printed wiring film
A magnetic bubble memory device comprising a chip assembly having a plurality of bubble memory chips superposed one above the other on a main printed wiring film. The lowermost chip is electrically...
|
|
|
4791604 |
Sheet random access memory
A sheet random access memory (SHRAM) is a truly random access, nonvolatile and transportable memory characterized by the cell density, size and power requirements of smaller dynamic memories but...
|
|
|
4731751 |
Magnetic bubble memory device
A magnetic bubble memory device comprises a magnetic bubble memory chip, a unit for generating a bias field, a magnetic shield, and a unit for compensating the bias field, wherein the...
|
|
|
4730271 |
Magnetic field confirming case with inclined portions for magnetic bubble memory module
A magnetic bubble memory chip is disposed at a position surrounded by a rectangular annular core having two pairs of opposite sides wound by a pair of wires, respectively, and is covered by a case...
|
|
|
4710895 |
Magnetic bubble memory module with protected terminals
A magnetic bubble memory module containing a magnetic bubble memory device and its analog peripheral circuits mounted on a substrate, having outer input/output lead terminals, allowing the module...
|
|
|
4694423 |
Magnetic bubble memory module
A magnetic bubble memory module having a rectangular core shaped like a picture frame providing windings on respective two pairs of opposite sides, at least one magnetic bubble memory chip disposed...
|
|
|
4692898 |
Bubble memory bias field structure
A bias magnet for a bubble memory device is comprised of a single material low permeability magnet contoured to enhance the magnetic field in the central area of the magnet and is adapted to be...
|
|
|
4663737 |
Magnetic bubble memory unit
In a magnetic bubble memory unit comprising two pairs of windings confronting in parallel each other, a printed circuit board having a magnetic bubble memory chip thereon surrounded by the windings...
|
|
|
4660172 |
Storage medium for electronic data processing
A storage medium is disclosed which includes a plate having a plurality of taps arranged near the peripheral edges and on each surface thereof. Each tap is connected to a storage element. The taps...
|
|
|
4592014 |
Magnetic bubble memory device
A magnetic bubble memory device comprises a cassette and a body. The cassette has a bias magnetic field generator adapted to generate a bias magnetic field for sustaining magnetic bubbles within a...
|
|
|
4567576 |
Method for producing a magnetic bias field
The invention provides a method for producing a magnetic bias field in a magnetic bubble domain memory device. The method comprises coupling a magnetic bubble domain element with a permanent...
|
|
|
4500176 |
Method and device for improving a conductive switching grid for switchable magnetic elements
An improved conductive grid for a magneto-optic display is shown having individual magnetic and transparent post elements separated from one another by an orthogonal grid-like pattern. Conductors...
|
|
|
4500177 |
Method and device for creating switchable redundancy with a magnetic element
A nonmagnetic substrate is shown having a magnetic film that has been separated into a grid-like pattern of spaces to form quadrilateral magnetic elements. The spaces are filled with conductors...
|
|
|
4497545 |
Method and device for increasing the density of a plurality of switchable magnetic elements
An improved grid pattern is shown for increasing the density of magnetic post elements, within a magneto-optic display, for example, wherein the post elements are separated by a grid-like pattern...
|
|
|
4470131 |
Bubble memory device and method of manufacturing the same
A bubble memory device comprises an insulating substrate holding a bubble memory chip secured thereto, X- and Y-direction driving coils wound on the insulating substrate for providing an in-plane...
|
|
|
4456974 |
Magnetic bubble device
The specification describes a magnetic bubble device which incorporates a Z coil for providing a test magnetic field in addition to the usually provided bias field. In order to reduce package size...
|
|
|
4429349 |
Coil connector
Disclosed is an inter-connect board adapted to regularize the means of connecting chip elements, such as coils for a bubble memory, to various related I/O leads, without making this interconnection...
|
|
|
4414646 |
Magnetic bubble memory devices
A magnetic bubble memory device comprises a common package accommodating a lurality of pairs of memory chips. In each pair, the two chips have bubble propagation patterns in confronting relation...
|
|
|
4377854 |
Substrate for magnetic domain device
In a field-accessed magnetic domain device package assembly, the magnetic domain device carrier or support, the circuit line or conductor carrier, and the magnetic bias field source are integrally...
|
|
|
4360899 |
Magnetic domain random access memory
In a non-volatile random access memory, a selected one of a plurality of magnetic cells arranged in an array on a major surface of a substrate is inductively switched between opposite remanent,...
|
|
|
4326267 |
Data processing system employing portable cards and operating stations making use of magnetic bubble elements
A credit card or security card data processing system employing portable ds including data processing means in each card adapted to be coupled to a data processing station having its own data...
|
|
|
4321690 |
Magnetic bubble memory module
A magnetic bubble memory module according to this invention is so constructed that heat developed by a rotating magnetic field-generating coil assembly is transmitted to linear ferrite plates of a...
|
|
|
4310897 |
Portable card incorporating magnetic bubble elements
A portable credit or identity card or the like incorporates magnetic bubble elements. The bubble elements comprise a layer of magnetic material capable of containing magnetic bubbles and which is...
|
|
|
4308591 |
Bubble memory having non-uniformly wound Y drive field coil
In a field-access magnetic bubble memory X and Y coils encircle the chip for providing the rotating XY magnetic drive field when conventional drive signals are applied thereto. At least one of the...
|
|
|
4293929 |
Magnetic bubble memory devices
Around the magnetic bubble memory chip placed within a recess formed at approximate center of the insulating substrate are arranged a plurality of rod-like members of soft ferromagnetic material to...
|
|
|
4287568 |
Solid state music player using signals from a bubble-memory storage device
A solid state music player for reproducing and playing stored digital information from a magnetic bubble-memory device, which has a magnetic bubble-memory module for receiving the bubble-memory...
|
|
|
4283771 |
On-chip bubble domain relational data base system
A bubble domain chip is designed to provide the components necessary to perform all essential data-base functions. Many cross-linked loops in parallel allow the interchange of distinct columns of...
|
|
|
4281396 |
Magnetic strip domain memory system
A magnetic memory device in which information is stored in the form of strip domains in a layer of magnetic material supported by a layer of ferromagnetic material. The ferromagnetic material...
|
|
|
4246646 |
Magnetic bubble chip-mounting plane
In a mounting plane for placing a plurality of magnetic bubble chips in coils for generating a rotating magnetic field which consist of an inner coil and an outer coil, a magnetic bubble...
|
|
|
4234935 |
Means for maintaining the identification of defective minor loops in a magnetic bubble memory
An approach for maintaining the identification of the defective minor loops of a bubble domain memory system having one or more major/minor loop arrays is disclosed. The bubble domain memory system...
|
|
|
4229805 |
Magnetic bubble-domain device
A magnetic domain device comprising a layer of a magnetic material for the formation of magnetic domains, for example bubbles, under the influence of a bias magnetic field and a propagation...
|
|
|
4221000 |
Improved bubble domain storage array
A magnetic bubble domain storage system comprising an array of rows and columns of logical chips are organized into logical half-chips with even numbered bits in one half-chip and odd numbered bits...
|
|
|
4219882 |
Magnetic domain devices
A magnetic domain device has a pair of orthogonally disposed coils one inside the other with the device chip disposed in the center of both of the coils, and a flexible substrate to which the...
|
|
|
4213091 |
Method and apparatus for testing a magnetic domain device
A method of testing a magnetic bubble device which includes an integral magnetic shield is provided for setting the magnetization of the bias field thereof, in which a leakage magnetic field is...
|
|
|
4209848 |
Magnetic domain device shield
Field accessed magnetic domain device apparatus, of the kind which employs an inner and an encompassing outer solenoid as the rotational magnetic field orthogonal drive coil members with the...
|
|
|
4198688 |
Thermal control members, bubble memory
A package having bubble memory components including bubble memory chips or modules disposed between bias magnets for maintaining and establishing bubbles in said chips, field drive coils for...
|
|
|
4198687 |
Bubble memory package with thermal control
A package of bubble memory components including magnetic bubble memory chips or modules disposed between bias magnets for maintaining and establishing bubbles in said chips, field drive coils for...
|
|
|
4192011 |
Magnetic domain packaging
A magnetic bubble device is provided comprising a substrate, a device chip and interconnecting conductors for connecting the device chip to the substrate and for supporting the device chip on the...
|
|
|
4180863 |
Magnetic domain device modular assembly
Plural groups of one or more magnetic domain devices each are mounted in an array on the circuitized surface of a common substrate. A rectangular pattern of slots is provided in the substrate...
|
|
|
4174538 |
Two-dimensional bubble domain memory
A two-dimensional storage system having two dimensional access is described which offers advantages of speed and effective utilization of available storage area. The system is comprised of a...
|
|
|
4165535 |
Bubble memory drive system using a picture frame core and a reflection box
A drive system for a bubble memory consists of a drive assembly and an electrically conducting surface enclosing the drive assembly. In a preferred embodiment, the drive assembly consists of a...
|
|
|
4165536 |
Magnetic bubble package
A package having bubble memory components comprising an innerassembly of bubble memory chips surrounded by spaced orthogonally oriented drive coils, a printed circuit board having a rigid support...
|