...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7302186 | Optical transceiver and host adapter with memory mapped monitoring circuitry A host adaptor is configured to monitor operation of an optoelectronic transceiver. The host adapter includes a transceiver interface, memory, comparison logic and a host interface. The transceiver interface receives from the optoelectronic transceiver digital value... | 11/27/2007 |
| 6958929 | Sensor compensation for environmental variations for magnetic random access memory A compensation system for an array of magnetic memory cells measures local operating conditions and compensates for changes in the operating characteristics of the magnetic memory cells in the array that result from the changes in the operating conditions. The magne... | 10/25/2005 |
| 6882572 | Method of operating a semiconductor memory array of floating gate memory cells with horizontally oriented edges A self aligned method of forming an array of floating gate memory cells, and an array formed thereby, wherein each memory cell includes a trench formed into a surface of a semiconductor substrate, and spaced apart source and drain regions with a channel region forme... | 04/19/2005 |
| 5834813 | Field-effect transistor for one-time programmable nonvolatile memory element A least one one-time programmable nonvolatile (NV) memory element uses a field-effect transistor (FET) as a selectively programmed element. A short duration applied drain voltage exceeding the FET's drain-to-source breakdown voltage results in a drain sou... | 11/10/1998 |
| 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 mounted and electrically connected, with interconnecting pattern... | 12/04/1990 |
| 4972369 | 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 mounted and electrically connected, with interconnecting pattern... | 11/20/1990 |
| 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 thermodependency of the bias field is compensated to approximate that o... | 03/15/1988 |
| 4649519 | Self biasing thermal magneto-optic medium A layer in a magnetic storage medium provides a biasing magnetic field for writing data. The layer exhibits a net magnetization with an orientation in a first direction when the layer is at a temperature below its compensation temperature and a net magnet... | 03/10/1987 |
| 4559616 | Fast, non-volatile semiconductor/bubble memory with temperature-compensated magnetic bias field A system for optimizing the performance of a bubble memory includes a temperature sensor, the output of which is amplified and converted to a digital number by a low power A/D converter to address a memory that stores correction data for various temperatu... | 12/17/1985 |
| 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 the Z coil comprises at least one printed coil 17 formed o... | 06/26/1984 |
| 4346456 | Magnetic bubble device A magnetic bubble device in which ions are implanted, under different conditions, in at least two kinds of regions of a magnetic thin film serving as a medium for propagation of a magnetic bubble. In this manner, the operating margins of magnetic bubble s... | 08/24/1982 |
| 4238837 | Domain drag effect devices A domain drag effect stripline pattern of conductive magnetic bubble material deposited upon a substrate is located in a magnetic bias field preferably normal to the plane of the stripline. Magnetic bubbles can be propagated through the stripline in respo... | 12/09/1980 |
| 4178636 | Gradientless propulsion of magnetic bubble domains Magnetic bubble domains are propagated in a magnetic medium in a desired direction using magnetic fields which have no spatial gradients. This is in contrast with conventional propagation techniques where magnetic overlays have to be used with applied mag... | 12/11/1979 |
| 4153948 | Adjustable magnetic bias field structure for magnetic bubble devices An adjustable magnetic bias field structure for magnetic bubble devices. A pair of parallel facing magnetically permeable plates are adjustably separated by a number of threaded magnetically hard cylindrical rods or slugs slotted at one end. Threaded plas... | 05/08/1979 |
| 4117544 | Magnetic single-wall domain bias field control arrangement A bias field control arrangement for correcting the bias field in accordance with stability range variations in magnetic domain thin film layers. A thin film layer is provided auxiliary to the layers, which auxiliary layer responds to external environment... | 09/26/1978 |
| 4110838 | Magnetic bubble memory package A magnetic bubble domain package which insures a coplanar relationship between the signal leads and the active surface of the magnetic bubble domain chip and also insures the precise location of the magnetic bubble domain chip within the most uniform part... | 08/29/1978 |
| 4002803 | Magnetic bubble devices with controlled temperature characteristics The temperature variation of the bubble collapse field of a class of garnet magnetic bubble layer materials is selected by control of octahedral site substitution during layer growth. This permits the growth of layers, whose temperature dependence of crit... | 01/11/1977 |
| 3975710 | Character pattern recognition method and apparatus using feature enhanced magnetic domain patterns A character pattern recognition method and apparatus for recognizing an unknown character pattern in accordance with a correlation between the unknown character pattern and each known standard character pattern, in which the unknown character pattern is t... | 08/17/1976 |
| 3974487 | Magnetic bubble transmission system A magnetic bubble transmission system in which a magnetic bubble is retained in a magnetic thin plate under an appropriate bias magnetic field applied to said magnetic thin plate in a direction perpendicular thereto and in which said magnetic bubble is tr... | 08/10/1976 |
| 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 |
| 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 d.c. magnetic bias field provided by the discs but is also s... | 01/06/1976 |