Abstract: A system and method are described in which space-time coding techniques are used to transmit and receive multiple data streams within a near vertical incidence skywave (“NVIS”) communication system. Within the NVIS communication system, multiple independent data streams may be transmitted from a transmitting station at a high radiation angle, approaching or reaching 90 degrees. The data streams are reflected off of the ionosphere of the earth and received by one or more receiving stations. In one embodiment, the space-time coding techniques are multiple-input multiple-output (“MIMO”) signal communication techniques.

Abstract: An apparatus and method for unifying multiple radio frequency identifications (RFIDs) are provided. The apparatus includes: a data arithmetic operator collecting RFIDs, storing the collected RFIDs, and repeatedly performing the collection and storage when a time out event occurs; a hash arithmetic operator concatenating the RFIDs, hashing the concatenated RFIDs, and outputting a hashed single value; a random number generator generating a random number used as an encryption factor to public-key-encrypt the single value; an RFID tag processor controlling locking/unlocking of the RFID tags; a public key arithmetic operator public-key-encrypting the single value using a predetermined public key and the random number as encryption factors and outputting a cipher text; and a radio frequency communicator converting the cipher text into a radio signal and sending the radio signal to a radio section. Information transmitted to a radio section is a cipher text obtained by public-key-encrypting the single value.

Abstract: A method and apparatus for handling misdirected responses in a multi-media messaging environment is described. The system includes a third party originator that sends data to a recipient bypassing an MMSC for message notification and retrieval. The present system handles the responses sent by the recipient to the MMSC, to prevent error messages and possible delivery failures.

Abstract: A vehicular weapons platform (30) including a plurality of barrel assemblies (10), wherein each barrel assembly includes a barrel (11), a plurality of projectiles (14) axially disposed within the barrel for operative sealing engagement with the bore of the barrel (11) and discrete propellant charges (15) for propelling respective projectiles sequentially through the muzzle of the barrel; and at least one of said plurality of barrel assemblies (10) includes a barrel which also forms a structural member of the weapons platform. In one preferred form, the weapons platform takes the form of a small combat aerial vehicle (SCAV) (30), wherein the barrel assemblies (10) form the airframe. A method of constructing a weapons platform from the barrel assemblies is also described.

Abstract: A method and control circuit are disclosed for controlling light emitting diodes (“LEDs”). Based upon the LED's current versus intensity characteristic and temperature versus intensity characteristic, the rate of change of LED output intensity with respect to current is calculated. Adjusting LED current to provide zero rate of change ensures that LED output is maximised.

Abstract: A processor is connected to a configurable system interconnect (CSI) bus. A CSL is connected to the CSI bus. The CSL comprises a first set of signal lines to send a data transfer request and a second set of signal lines to receive a grant associated with the data transfer request. A bus master unit (BMU) is coupled with the CSL through the first set of signal lines and the second set of signal lines. The BMU is connected to the CSI bus. The BMU arbitrates to take control of the CSI bus on behalf of the CSL enabling the CSL to perform data transfer to or from the CSI bus bypassing the processor.

Abstract: A system providing methods for improved compression of images that have been compressed using Discrete Cosine Transform (DCT) based compression is described. A digital image that has been compressed using DCT based compression, such as an image compressed using the Joint Photographic Experts Group (JPEG) compression scheme, is received and partially decompressed to generate DCT coefficients of the image. The decoded coefficients of the image are then rearranged to aggregate like frequencies together. After rearrangement, the image is recompressed using a wavelet-based compression scheme.

Abstract: A protocol for superimposing status information onto an arbitration scheme between a first bus agent and a second bus agent. One embodiment of the arbitration scheme uses a grant signal and a request signal to arbitrate for use of a bus. The second bus agent may request to use the bus by asserting a request signal, which is received by a bus arbitration circuit. The bus arbitration circuit may or may not reside within the first bus agent. The bus arbitration logic acknowledges the request by asserting a grant signal, which is received by the second bus agent. A specific relationship between an address phase and the arbitration signals allows the first bus agent to pass status information to the second bus agent via the grant signal. The specific relationship between an address phase and the arbitration signals is a condition that typically does not occur where the arbitration signals are used to arbitrate for use of the bus.

Abstract: A method for controlling a sensor to reduce reset noise is disclosed. The method including the steps of providing a reset command including a RESET signal and a first SAMPLE signal. The method also includes the steps of providing a read command including a first ADDRESS signal, a second SAMPLE signal, and a second ADDRESS signal. An apparatus including a system controller and a sensor controlled by the system controller is also disclosed. In one embodiment, the method and apparatus is provided for a sensor in a sensor array that is read-out in a pipelined fashion.

Abstract: An embodiment of the invention is a bridge having a transaction queue for storing transaction information for each of a number of enqueued posted write transactions, a data queue for simultaneously storing transaction data for each of the enqueued transactions, the transaction data having been received through slave logic of the bridge to be delivered through master logic of the bridge, and a controller for managing the transaction and data queues in response to the transaction information, the bridge being further configured to dynamically allow the transaction data for a single enqueued transaction to occupy the maximum available space in the data queue.

Abstract: An add/drop device is described that allows channels from a multi-channel optical path to be dropped to a device and a new or modified channel to be added to the multi-channel optical path. The device thereby has access to a channel from the multi-channel optical path without having access to all of the channels. In one embodiment, the add/drop device of the invention includes one or more intermediate ports and a switch. The intermediate ports communicate the channels not dropped by the add/drop device and the switch selectively optically couples the dropped channel either to the device or to be added back into the multi-channel path. The switch also selectively optically couples the new or modified channel to be added to the multi-channel path. The one or more intermediate ports allow multiple add/drop devices to be optically coupled together to provide a configurable add/drop mechanism.

Abstract: A wall mounted scanner for large and small format transmissive X-ray films and any type of transmissive media, that incorporates a viewing light box into the case to view the media before and after scanning. Transmissive media are defined as any type of media that passes light through it, specifically images on transparent film. Scanning light source can also be moved so that the unit can scan reflective media. The scanner has an external light source that shines through the media onto a lens/CCD camera. The media is transported under the light source for scanning and then it is brought back to the viewer for immediate comparison to the scanned image which is displayed on the computer monitor. The entire scanner is mounted vertically. Scanning and viewing is done in the vertical plane to allow for minimal contact between the media and scanner. It is possible to pivot the light source below the media to be scanned in order to scan reflective media.

Abstract: The present invention is an active-control system for attenuating noise in a duct having a fluid flow. An array of stators having a longitudinal length is positioned axially within the duct. A first array of sound sources capable of generating spinning mode sound and is positioned a distance upstream of a first plane defined by the upstream-most portion of the stators, relative to the fluid flow. The upstream distance is less than the longitudinal length of the stators. A second array of sound sources capable of generating spinning mode sound and is positioned a distance downstream of a second plane defined by the downstream-most portion of the stators, relative to the fluid flow. The downstream distance is less than the longitudinal length of the stators. A controller causes the first and second arrays of sound sources to generate sound including spinning mode sound such that it cancels a portion of the noise within the fluid flow that passes through the stators.

Abstract: The invention includes to establishing a network phone call connection between a caller and a callee. The network includes a caller connected to the network through a first network access provider. The callee is connectable to the network through one of a first or a second network access provider. A network phone call connection between the caller and callee may be established by creating a look-up service and a callee connection service. Subsequent to the creation of the look-up service and the callee connection service, the invention determines whether the callee is connected to the network. If yes, a network phone call connection to the callee is established. If no, the look-up service and callee connection service is employed to connect the callee to network. Then, once this is done, a network phone call connection to the callee is established.

Abstract: An interface and method for a synchronous DRAM (syncDRAM) memory are provided that improve performance. The read operation in a syncDRAM is significantly sped up by eliminating the step of opening a new page of data in a SyncDRAM using a speculative read method. This provides the ability to open a page of information in the SyncDRAM with a command generator in response to a data request. Speculative read logic is also included to continue reading from the page with an invalid address until a second read request occurs. Thus, in the event that a subsequent read request occurs that requests data located on the same page as the prior request, the data can be indexed and read from a location on that page without having to first assert the SCS# and SCAS#. This frequently removes the step of opening a page from the read process and, over time, can significantly speed up the overall SyncDRAM reads in a computer system.

Abstract: An apparatus is programmed with a plurality of programming instructions for automatically generating a reconfiguration script comprising a plurality of configuration commands for reconfiguring a plurality of telecommunication devices of a telecommunication system, based on a current and a target descriptive image of the telecommunication system. The current descriptive image specifies the devices and their features included in the current configuration of the telecommunication system, whereas the target image specifies the devices and their features to be included in the target configuration of the telecommunication system. The plurality of programming instructions generate the reconfiguration script employing feature dependency graph (FDG) data structures, a device model modeling the rules and behaviors of the telecommunication devices, and feature deletion/addition linklists.

Abstract: An integrated circuit including a first input for receiving a scan enable control signal and a second input for receiving a test mode control signal. The integrated circuit also includes a programmable scan circuit coupled to the first input and the second input. The programmable scan circuit configures the integrated device to operate in a default mode, a scan mode, or a test mode in response to the scan enable and test mode control signals.

Abstract: A latch/mask mechanism that is located between the sense amplifiers of a DRAM and the data bus. The latch/mask mechanism decouples the data bus from the sense amplifiers and permits innovative, time saving functionality during read and write operations. During a write operation, the latch can receive only those byte(s) or a row of bytes to be written. Corresponding mask bits are set to indicate those bytes to be written. Logic in the device transfers only those bytes in the row to be written to the sense amplifiers for writing to memory, leaving the data of remaining bytes in memory intact. Read operations are rendered more efficient by enabling logic, coupled to column select logic, to automatically transfer from the latch the byte selected by the column select logic and the adjacent byte. This time saving feature is particularly useful for computer graphics applications which utilize linear interpolation processes.

Abstract: The present invention provides a buffer management scheme for load operations that permits load operations to be stored for execution to memory. The buffer management scheme of the present invention calculates the readiness of multiple buffered load operations to speed up dispatch of at least one of the load operations to memory. By providing such management, the present invention allows memory operations and their execution by a device, such as a processor, to be coordinated with the operation of the system and other operations in the processor.