Patent application number | Description | Published |
20080256290 | METHOD AND SYSTEM OF RANDOMIZING MEMORY LOCATIONS - A memory system that disperses memory addresses of stings of data throughout a memory is provided. The memory system includes a memory, a central processing unit (CPU) and an address randomizer. The memory is configured to store stings of data. The CPU is configured to direct the storing and retrieving of the strings of data from the memory at select memory addresses. The address randomizer is coupled between the CPU and the memory. Moreover, the address randomizer is configured to disburse the strings of data throughout locations of the memory by changing the select memory addresses directed by the CPU. | 10-16-2008 |
20080256375 | SYSTEM OF INTEGRATED ENVIRONMENATLLY HARDENED ARCHITECTURE FOR SPACE APPLICATION - An environmentally hardened architecture comprises a hybrid processor, a high speed bus having environmentally-sensitive interfaces, an environmentally hardened bus having environmentally-hardened interfaces, and an environmentally-hardened processor communicatively coupled to an environmentally-sensitive interface of the high speed bus and communicatively coupled to an environmentally-hardened interface of the environmentally hardened bus. The hybrid processor includes an environmentally-hardened processing section and an environmentally-sensitive processing section. At least one environmentally-sensitive interface is configured to pass data to and from the environmentally-sensitive processing section and another environmentally-sensitive interface is configured to pass data to and from the environmentally-hardened processing section of the hybrid processor. An environmentally-hardened interface is configured to pass data to and from the environmentally-hardened processing section of the hybrid processor. The environmentally-hardened processor processes critical applications in the environmentally-hardened processing section of the at least one hybrid processor during an environmental event. | 10-16-2008 |
20090092002 | ACOUSTIC COMMUNICATION AND CONTROL FOR SEISMIC SENSORS - A method for wireless communication in a seismic sensor network is disclosed. The method comprises providing a first acoustic device having at least one seismic sensor with communication and control data to communicate over an acoustic energy wave on a first communications channel. The first acoustic device generates the acoustic energy wave with a first wave intensity. The first acoustic device is configured to receive a reflection of the generated wave at a prescribed signal sensitivity level based on a network configuration. If the first wave intensity is below the prescribed signal sensitivity level, the first wave intensity of the acoustic energy wave is tuned to the prescribed signal sensitivity level to interpret the communication and control data provided by the first communications channel. | 04-09-2009 |
20090097359 | AUDIO COMPASS FOR MOTION TRACKING - A method for tracking motion using an audio compass is disclosed. The method comprises receiving motion sensor data indicating seismic activity recorded by at least two seismic sensors, and converting the received motion sensor data into audio signals for interpretation at an audio compass. The method uses the audio compass to determine a current distance to the seismic activity based on an interpreted signal intensity of the audio signals. The method further uses the audio compass to identify a current position of the audio compass relative to the seismic activity. | 04-16-2009 |
20090119421 | APPARATUS AND METHOD FOR CONNECTIVITY IN NETWORKS CAPABLE OF NON-DISRUPTIVELY DISCONNECTING PERIPHERAL DEVICES - An apparatus and method for connectivity in networks configured for non-disruptive disconnection of one or more peripheral devices are disclosed. The apparatus includes a first logical layer associated with a first peripheral device, the first peripheral device arranged in a network configured for non-disruptive disconnection of at least one peripheral device, at least a second logical layer associated with at least a second peripheral device, the at least a second peripheral device arranged in the network configured for non-disruptive disconnection of at least one peripheral device, at least one power source associated with the first logical layer and the at least a second logical layer, and a first electrically conductive link coupled to the first logical layer, the at least a second logical layer, and the at least one power source associated with the first logical layer and the at least a second logical layer. | 05-07-2009 |
20090122725 | ROBUST NETWORKS FOR NON-DISRUPTIVELY DISCONNECTING PERIPHERAL DEVICES - A network and method for non-disruptively disconnecting communication devices are disclosed. The network includes a primary network unit including a first logical layer, and a plurality of secondary network units. Each secondary network unit of the plurality of secondary network units includes the first logical layer, a second logical layer, and a connector arranged at a junction of the first logical layer and the second logical layer. The network also includes a plurality of electrically conductive links, wherein an electrically conductive link of the plurality of electrically conductive links is connected to the first logical layer of a first network unit at a first end, and to the first logical layer of a second network unit at a second end. | 05-14-2009 |
20100132047 | SYSTEMS AND METHODS FOR TAMPER RESISTANT MEMORY DEVICES - Systems and methods for tamper resistant memory devices are provided. In one embodiment, a memory device comprises a memory cell for storing digital data, the memory cell having a plurality of memory addresses accessible for read and write operations through a memory interface; and a tamper detection circuit coupled to the memory cell, the tamper detection circuit comprising: a communications decoder coupled to the memory interface, wherein the communications decoder observes sequences of memory access operations to the memory cell; at least one timer for counting a duration of time; a tamper detect state machine responsive to the communications decoder and the at least one timer; and a data destruct engine responsive to the tamper detection state machine, wherein upon receiving an activation signal from the tamper diction state machine, the data destruct engine overwrites digital data stored in the memory cell. | 05-27-2010 |
20100145622 | EVENT-BASED POWER MANAGEMENT FOR SEISMIC SENSORS - A method of event-based power management for seismic sensors is disclosed. The method comprises measuring seismic activity with a seismic sensor and comparing the measured seismic activity from the seismic sensor against at least one criteria. When the measured seismic activity does not satisfy the at least one criteria, a signal processing circuit is maintained in a deactivated state. When the measured seismic activity satisfies the at least one criteria, the signal processing circuit is activated to analyze the measured seismic activity. The signal processing circuit enters a functional mode based on analyzing the measured seismic activity. | 06-10-2010 |
20100214871 | COMMUNICATION IN A SEISMIC SENSOR ARRAY - A method, system, and apparatus for communicating data with a seismic sensor are provided. The method comprises identifying data to be transmitted and one or more seismic events that correspond to the data to be transmitted. One or more seismic events are created that are distinguishable into binary code from one or more seismic sensors within the array. Seismic events can be distinguished by their pattern or frequency. A first frequency can be assigned as a first binary code and a second frequency can be assigned as a second binary code. Likewise, different patterns of acoustic energy can designate different binary codes. Combinations of patterns and frequencies can be used together to create distinct distinguishable seismic events. | 08-26-2010 |
20100223408 | APPARATUS FOR NON-DISRUPTIVELY DISCONNECTING A PERIPHERAL DEVICE - An electronic device includes a communication bus having a physical layer for interacting with a peripheral device. The physical layer is configured to be adjacent to a link layer on the peripheral device. The electronic device further includes a connector at a junction of the physical layer and the link layer. Communication through the communication bus is maintained through the physical layer when the link layer of the peripheral device is disconnected from the physical layer at the connector. | 09-02-2010 |
20130207783 | PROTECTING PACKAGES FROM TAMPERING - A package includes a chassis, a plurality of components arranged within the chassis, a plurality of RFID devices, and at least one processing device. The RFID devices are arranged at a plurality of locations to form an array configured to authenticate compliance of the actual configuration of the package with a model configuration. The processing device is configured to communicate with the RFID devices, determine if the actual configuration of the package is in compliance with the model configuration based on communications with the RFID devices, and set an operational mode of one or more of the components of the package in response to determining if the actual configuration of the package is in compliance with the model configuration. | 08-15-2013 |