Patent application number | Description | Published |
20100085797 | DUAL STAGE SENSING FOR NON-VOLATILE MEMORY - A method and apparatus for accessing a non-volatile memory cell. In some embodiments, a memory block provides a plurality of memory cells arranged into rows and columns. A read circuit is configured to read a selected row of the memory block by concurrently applying a control voltage to each memory cell along the selected row and, for each column, using a respective local sense amplifier and a column sense amplifier to successively differentiate a voltage across the associated memory cell in said column to output a programmed content of the row. | 04-08-2010 |
20100102406 | MAGNETIC STACK DESIGN - A magnetic stack having a free layer having a switchable magnetization orientation, a reference layer having a pinned magnetization orientation, and a barrier layer therebetween. The stack includes an annular antiferromagnetic pinning layer electrically isolated from the free layer and in physical contact with the reference layer. In some embodiments, the reference layer is larger than the free layer. | 04-29-2010 |
20110007551 | Non-Volatile Memory Cell with Non-Ohmic Selection Layer - A non-volatile memory cell and associated method is disclosed that includes a non-ohmic selection layer. In accordance with some embodiments, a non-volatile memory cell consists of a resistive sense element (RSE) coupled to a non-ohmic selection layer. The selection layer is configured to transition from a first resistive state to a second resistive state in response to a current greater than or equal to a predetermined threshold. | 01-13-2011 |
20110007588 | Defective Bit Scheme for Multi-Layer Integrated Memory Device - Various embodiments of the present invention are generally directed to an apparatus and associated method for handling defective bits in a multi-layer integrated memory device. In accordance with some embodiments, the multi-layer integrated memory device is formed from a plurality of vertically stacked semiconductor layers each having a number of storage sub-arrays and redundant sub-arrays. Each semiconductor layer is tested to determine a defect rate for each array, and a defective portion of a first semiconductor layer having a relatively higher defect rate is stored to a redundant sub-array of a second semiconductor layer having a relatively lower defect rate. | 01-13-2011 |
20110180888 | MAGNETIC STACK DESIGN - A magnetic stack having a free layer having a switchable magnetization orientation, a reference layer having a pinned magnetization orientation, and a barrier layer therebetween. The stack includes an annular antiferromagnetic pinning layer electrically isolated from the free layer and in physical contact with the reference layer. In some embodiments, the reference layer is larger than the free layer. | 07-28-2011 |
20110188293 | Non-Volatile Memory Cell With Non-Ohmic Selection Layer - A non-volatile memory cell and associated method is disclosed that includes a non-ohmic selection layer. In accordance with some embodiments, a non-volatile memory cell consists of a resistive sense element (RSE) coupled to a non-ohmic selection layer. The selection layer is configured to transition from a first resistive state to a second resistive state in response to a current greater than or equal to a predetermined threshold. | 08-04-2011 |
20120014168 | Dual Stage Sensing for Non-Volatile Memory - A method and apparatus for accessing a non-volatile memory cell. In some embodiments, a memory block provides a plurality of memory cells arranged into rows and columns. A read circuit is configured to read a selected row of the memory block by concurrently applying a control voltage to each memory cell along the selected row and, for each column, using a respective local sense amplifier and a column sense amplifier to successively differentiate a voltage across the associated memory cell in said column to output a programmed content of the row. | 01-19-2012 |
20120080725 | VERTICAL TRANSISTOR MEMORY ARRAY - A method includes providing a semiconductor wafer having a plurality of pillar structures extending orthogonally from the semiconductor wafer. An electrically conducting interconnect element is deposited onto at least selected vertical pillar transistors and a non-volatile variable resistive memory cell is deposited onto the electrically conducting interconnect layer to form a vertical transistor memory array. | 04-05-2012 |
20120153413 | Non-Volatile Memory Cell with Lateral Pinning - An apparatus and associated method for a non-volatile memory cell, such as an STRAM cell. In accordance with various embodiments, a magnetic free layer is laterally separated from an antiferromagnetic layer (AFM) by a non-magnetic spacer layer and medially separated from a synthetic antiferromagnetic layer (SAF) by a magnetic tunneling junction. The AFM pins the magnetization of the SAF through contact with a pinning region of the SAF that laterally extends beyond the magnetic tunneling junction. | 06-21-2012 |
20130321122 | METHOD AND SYSTEM FOR AIRPLANE CONTAINER TRACKING - Wireless tracking systems and devices to detect the status of aircraft cargo containers. The system uses a sensor array to deactivate and activate the tracking devices as needed to comply with FAA regulations. The tracking systems use an array of machine vision sensors and/or inertia (motion) sensors to determine when to activate and deactivate the device. The tracking systems can feature LTE communication devices with a global roaming SIM card to realize true global operation to support GSM, CDMA and other mobile environments seamlessly | 12-05-2013 |
20130321211 | ASSET TRACKING SYSTEM WITH ADJUSTED PING RATE AND PING PERIOD - Asset tracking system that utilizes a time-based ping in which the ping rate and the ping period are based on a predetermined event. Over the period of use of the system and device, the ping rate and ping period are adjusted based on the expected occurrence of an event. The system has lower operational cost, particularly battery maintenance cost, than conventional active ping systems that have a set ping rate or a random ping rate. | 12-05-2013 |
20130324059 | WIRELESS DEVICE WITH HYBRID ENERGY CHARGING - A hybrid energy control system comprising a first energy harvester, a second energy harvester, an energy reservoir operably connected to the first energy harvester and the second energy harvester. The hybrid energy control system is particularly suited for use in wireless RF devices, such as RF tracking devices. | 12-05-2013 |
20130324151 | ASSET TRACKING SYSTEM WITH DATA PING BASED ON ASSET MOVEMENT - An asset tracking system that optimizes the value per ping by tying the ping to movement of the asset. The asset tracking device will send a ping to a remote host (i.e., receiver) when pre-determined condition(s) regarding the movement are met, conditions such as time between movements, the pattern of movement, and number of movements within a time period. In such a manner, the value per ping is optimized, leading to increased battery life and decreased operational cost. To satisfy these conditions and exception events, the asset tracking device is equipped with appropriate sensors, actuators, and trigger mechanism(s). The sensors and actuators detect movements and/or confirm or recognize a sequence of movements. When the detected movements and/or sequence of movements match a predetermined, recognized pattern or condition, the trigger mechanism is activated, after which a data ping is sent. | 12-05-2013 |
20130324152 | ASSET TRACKING SYSTEM ACTIVATED BY PREDETERMINED PATTERN OF ASSET MOVEMENT - An asset tracking system that optimizes the value per ping by tying the ping to a pattern of movements of the asset. The asset tracking device will send a ping to a remote host (i.e., receiver) when pre-determined condition(s) regarding the movement are met, conditions such as the pattern of movement, and number of movements within a time period. In such a manner, the value per ping is optimized, leading to increased battery life and decreased operational cost. To satisfy these conditions, the asset tracking device is equipped with appropriate sensors, actuators, and trigger mechanism(s). The sensors and actuators detect movements and/or confirm or recognize a sequence of movements. When the detected movements and/or sequence of movements match a predetermined, recognized pattern or condition, the trigger mechanism is activated, after which a data ping is sent. | 12-05-2013 |
20140018001 | METHOD AND APPARATUS FOR ASSET TRACKING IN CONSTRAINED ENVIRONMENTS - Wireless tracking systems and devices to detect the status of cargo containers, such as aircraft cargo. The system has a transmitter device, a router, and intelligent software. The transmitter device has automatic on-off capability during use, without the need for human intervention. The transmitter device has a basic “listening state” and the router has a basic “beacon broadcast state.” Only when the transmitter device is within range of the router's beacon does the device transmit data via RF signal to the router. | 01-16-2014 |
20140018023 | LIGHT AND RF TRANSPARENT ENCLOSURE FOR USE WITH ASSET TRACKING DEVICE - An electromagnetic (RF) and light transparent enclosure having a perforated metallic wall. The enclosure is particularly adapted for an RF wireless tracking system, as a housing for the transmitter device or for a cargo container in or on which the transmitter device is positioned. The enclosure is optically transparent to ensure any photovoltaic device of the transmitter device receives sufficient photons or other energy to power the transmitter device. The RF transparent enclosure attenuates less transmitted and/or received signal at specific frequency bands. | 01-16-2014 |
20140085055 | PATTERN RECOGNITION BASED MOTION DETECTION FOR ASSET TRACKING SYSTEM - An asset tracking system that optimizes the value per ping by tying the ping to a pattern of movements of the asset. The asset tracking device will send a ping to a remote host (i.e., receiver) when predetermined qualified event is detected by the device. In such a manner, the value per ping is optimized, leading to increased battery life and decreased operational cost. To satisfy these conditions, the asset tracking device is equipped with appropriate sensors, actuators, and trigger mechanism(s). A four-phase methodology or algorithm used to detect and determine when detected motions and movements warrant triggering the data ping. | 03-27-2014 |
20140184804 | METHOD AND APPARATUS FOR ACTIVATION AND DEACTIVATION OF AIRCRAFT CONTAINER TRACKING DEVICE - A tracking system that includes equipment and methodology to determine when the tracked container is in close proximity to an aircraft. In general, the tracking device is deactivated while the aircraft container is close to or on board of the aircraft, and the tracking device is activated while the aircraft container is outside the aircraft. The tracking system includes multiple machine vision sensors associated with the tracking device positioned on the container to identify the curvature associated with the container's surroundings. Activation and deactivation of the tracking device is associated with the information transmitted and received by the tracking device, based on various features of the geographic position of the container. | 07-03-2014 |
20140187261 | METHODOLOGY TO EXTEND BATTERY POWER IN ASSET-TRACKING DEVICE - A protocol and methodology that extends the battery power in a remote asset tracking device by storing location data more than once (i.e., “n” times), yet transmitting that data only once to a server. In other words, multiple data points are transmitted simultaneously. Devices and systems incorporating the protocol are also provided. | 07-03-2014 |
20140235188 | POWER MANAGEMENT SYSTEM FOR AIRCRAFT CONTAINER TRACKING DEVICE - An RF asset tracking device for cargo containers that has an extended operational life, due to a power management system and multiple power sources. The device has a solar cell and high capacity supercapacitor as a principal power source and a rechargeable battery as an auxiliary power source. Control circuitries manage and regulate the usage of the primary and secondary sources. Together, these power sources provide sufficient power for the tracking device to operate for an extended period of time, thus increasing the period between needed maintenance and decreasing downtime and thus cost. | 08-21-2014 |