48th week of 2008 patent applcation highlights part 29 |
Patent application number | Title | Published |
20080291874 | HANDOVER APPARATUS AND METHOD IN A HETEROGENEOUS WIRELESS COMMUNICATION SYSTEM - Provided is a handover method, in which a call manager of a network having a Circuit Switching (CS) network, a Long Term Evolution (LTE) network, and an Internet Protocol Multimedia Subsystem (IMS) network, provides handover, from the LTE network to the CS network, to a terminal that uses one radio channel. The handover method includes upon receiving a request for handover from the terminal via a node of the LTE network, establishing a line to a Mobile Switching Center (MSC) of the CS network; sending, to the call manager, a request for a change in a session to another party's terminal in communication with the terminal, to establish an Internet Protocol (IP) bearer between the call manager and the other party's terminal; and sending a handover command to the terminal during the establishment of an IP bearer, to establish a radio channel to the base station of the CS network. | 2008-11-27 |
20080291875 | SYSTEM AND METHOD FOR TRANSMITTING/RECEIVING NEIGHBOR BS INFORMATION IN A COMMUNICATION SYSTEM - In a communication system, a base station transmits a message including neighbor base station information to a mobile station, wherein neighbor base stations in the base station include m first type neighbor base stations and n second type neighbor base stations, the message includes an identifier dedicatedly allocated to the mobile station when the mobile station can get a service from one of the n second type neighbor base stations, the first type is different from the second type, the neighbor base station information includes information on the n second type neighbor base stations, and each of m and n is an integer identical to or greater than 1. | 2008-11-27 |
20080291876 | PROTOCOL ARCHITECTURE FOR ACCESS MOBILITY IN WIRELESS COMMUNICATIONS - Access-independent mobility-enabling protocol messages are mapped into DIAMETER messages and communicated with peer entities using DIAMETER. Local access-independent mobility enabling protocol messages may also be communicated using DIAMETER. In one embodiment, the IEEE 802.21 media independent handover (MIH) protocol is the access-independent mobility-enabling protocol, and MIH messages are mapped into DIAMETER messages. IEEE 802.21 information elements (IEs) are transported over DIAMETER as attribute value pairs (AVPs). New DIAMETER Command Codes and Command flags may be defined to indicate message type. In another embodiment secure IP based transport and discovery and capability negotiation may be performed using an access-independent mobility enabling protocol (such as MIH) over DIAMETER. | 2008-11-27 |
20080291877 | Method of operating a mobile wireless network - A method of operating a mobile wireless network is provided, in which, when there is a relocation, the connection may be continued essentially directly from the latest state before the relocation. User data is transmitted between a mobile station and a first base station, the user data being combined into data units, for example, packet data units, before being transmitted. For transmission of data units, transmission-specific information describing an instantaneous state of the transmission is stored in the mobile station, as well as in a first network unit at a higher level than the first base station. With the relocation of the mobile station from the first base station to a second base station having a second higher-level network unit, the transmission-specific information stored in the first higher-level network unit is transmitted to the second higher-level network unit to continue the transmission after the relocation essentially directly from its latest state. | 2008-11-27 |
20080291878 | Uplink Synchronous Control Method and Apparatus of the High Speed Shared Information Channel - The present invention discloses an uplink synchronization control method and system for the high speed shared information channel. The method includes: S | 2008-11-27 |
20080291879 | Man-Portable Incident Command Platform - A man-portable incident command platform is provided. A controller for a rechargeable battery system is disclosed that evaluates whether a cover of the rechargeable battery system is open or closed; determines whether an AC power source is available; evaluates a charge level (for example, from a system management bus) of one or more batteries in the rechargeable battery system; and enables a charging circuit for one or more batteries requiring a charge based on whether the cover of the rechargeable battery system is open or closed and if the AC power source is available A charging circuit for the rechargeable battery system is disclosed that comprises one or more programmable voltage sources for charging one or more batteries in the rechargeable battery system. A power distribution unit (PDU) is disclosed for a rechargeable battery system that supplies power to a plurality of devices each having a different voltage requirement The PDU comprises a plurality of DC/DC converters for converting a first DC value to a plurality of DC levels, wherein each of the plurality of DC levels are associated with a different one of the voltage requirements. A portable communications device is disclosed that comprises a plurality of wireless backhaul connections to a public network; and a mobile mesh network connection for establish a wireless local area network. | 2008-11-27 |
20080291880 | RANDOM ACCESS COMMUNICATION METHOD AND MOBILE COMMUNICATION SYSTEM IN MOBILE COMMUNICATION SYSTEM - The random access communication method according to the present invention includes a mobile station transmitting a transmission continuation request signal which requests a continuation of transmission of random access data to a base station during transmission of the random access data, the base station judging, upon receiving a transmission continuation request signal from the mobile station, whether or not to permit a continuation of transmission of the random access data depending on the current communication situation, the base station transmitting a transmission continuation permission signal or a transmission continuation rejection signal to the mobile station depending on whether or not to permit the continuation of transmission of the random access data, and the mobile station continuing, upon receiving the transmission continuation permission signal from the base station, transmission of the random access data. | 2008-11-27 |
20080291881 | Communication Network - A communication network ( | 2008-11-27 |
20080291882 | Aggregated Links - A method and a transport scheme for packets of traffic over a logical link made up of the aggregation of several physical links ( | 2008-11-27 |
20080291883 | MANAGEMENT PROCEDURE IN WIRELESS COMMUNICATION SYSTEM AND STATION SUPPORTING MANAGEMENT PROCEDURE - Provided are a management procedure in a wireless communication system and a station supporting the management procedure. In the method, a requested station receives a location request frame including a location request option sub-element which contains a value for indicating a timing measurement request from a requesting station. The requested station transmits an acknowledgement frame in response to the location request frame to the requesting station. The requested station transmits to the requesting station a location response frame including a timing measurement sub-element which contains a time difference between a transmission end time of the acknowledgement frame and a reception end time of the location request frame in response to the location request frame. | 2008-11-27 |
20080291884 | System and method for transmitting/receiving signal in communcation system - A system and method are disclosed for transmitting/receiving a signal in a communication system in which a first communication system and a second communication system coexist, the second communication system being evolved from the first communication system and being capable of using a control signal and a broadcast signal used in the first communication system. The method of transmitting a signal includes the steps of transmitting a first message including common control information and frame control information for the first communication system in a first frame, transmitting a second message including common control information and frame control information for the second communication system in a second frame, and signaling location information of the transmitted second message in the second frame. | 2008-11-27 |
20080291885 | METHOD FOR COMMUNICATION OF MIPv6 MOBILE NODES - A method for communication of MIPv6 mobile nodes, comprising: the mobile node accesses network at access location and obtains care of address, calculating a privacy identifier PID using the care of address etc. the mobile node replaces its home address by the PID, and sends the PID and the care of address together as binding update message to the home agent and correspondent node, the home agent and correspondent node recover the home address for the mobile node using the PID after they have received the binding update message. The method for communication of MIPv6 mobile nodes according to the present invention uses that a configuring replaced identifier replacing the home address is sent, thereby hiding Ipv6 address. By setting PID and its algorithm, we improve the sequence number in the binding update messages enabling the sequence number has randomness, and prevent the intercepting person continue tracking the mobile node through the home address. | 2008-11-27 |
20080291886 | VoIP WLAN CONFERENCE CALLING VIA HOME WIRELESS ROUTERS - A home wireless router establishes a Wireless Local Area Network (WLAN) and services a plurality of wireless terminals within the WLAN service area including at least one Voice over Internet Protocol (VoIP) wireless terminal. The home wireless router receives a request from the VoIP wireless terminal to establish a VoIP conference call with at least two other VoIP wireless terminals. The home wireless router interacts with the VoIP service accumulator to determine at least one other home wireless router required to service the VoIP conference call, queries the at least one other home wireless router to determine its ability to service the VoIP conference call for at least one serviced VoIP wireless terminal, and receives a response from the at least one other home wireless router. The home wireless router, the at least one other home wireless router, and the VoIP service accumulator then set up and service the VoIP conference call. | 2008-11-27 |
20080291887 | MMSE Channel Estimation in a Communications Receiver - Methods and apparatus are disclosed for calculating a channel response for use in received signal processing. In an exemplary embodiment, a method comprises calculating a channel response correlation matrix based on measured channel responses derived from pilot symbols in a received signal and forming a traffic data correlation matrix based on measurements of traffic symbols in the received signal. The traffic data correlation matrix, the channel response correlation matrix, and the measured channel responses are used in an minimum mean-squared error (MMSE) estimation process to calculate the channel response estimates. In one or more embodiments, the calculated channel response estimates comprise estimates of net channel response corresponding to signal processing delays in a G-RAKE receiver. An exemplary receiver circuit comprises a baseband processor configured to calculate channel response estimates according to one or more of the disclosed methods. | 2008-11-27 |
20080291888 | Method and Device for Carrying Out Flexible Demodulation in an Ofdm-Cdma System - This method for carrying out the flexible demodulation of data modulated following an amplitude modulation in quadrature is used in a communications system employing a code division multiple access technique (CDMA) and an optical frequency division multiplexing (OFDM) using non-binary spread codes. The invention includes steps for determining a simplified expression specific to the logarithm of the likelihood ratio. | 2008-11-27 |
20080291889 | Wireless communication method and apparatus - A wireless communication method and apparatus for the same performs access control in the following manner, where an acquisition of a right to transmit is performed by CSMA access control method, and a collision of transmitted data packets among different communication apparatuses is prevented for facilitating a stable transmission of data packets from each of the apparatuses in a predetermined interval. The transmission of a data packet having a predetermined data length under a cyclical access control sets an access control start time at a time that is after a lapse of predetermined amount of time from the previous acquisition of the right to transmit. As a result, the competition of the right to transmit is resolved due to a different access control start time set for the next transmission. | 2008-11-27 |
20080291890 | RADIO COMMUNICATION APPARATUS AND RADIO COMMUNICATION CONTROL METHOD OF RADIO COMMUNICATION SYSTEM - According to one embodiment, a radio communication apparatus includes a first reservation slot securing unit, a second reservation slot securing unit and a radio communication unit. The first reservation slot securing unit secures a first reservation slot for performing radio communication through a first transmission output in a radio communicable slot to be shared in time division in a group by adjustment in periodically formed beacon slots. The second reservation slot securing unit secures a second reservation slot for performing radio communication through a second transmission output smaller than the first transmission output in the radio-communicable period, when the first reservation slot securing unit fails in securing the first reservation slot. And the radio communication unit performs radio communication through the first transmission output or the second transmission output by using at least either the first reservation slot or the second reservation slot. | 2008-11-27 |
20080291891 | Synchronization Of A Split Audio, Video, Or Other Data Stream With Separate Sinks - Methods, systems, and apparatuses for synchronizing one or more output/sink devices are described. In each sink device, a communication packet is received from a source device. The communication packet includes data and a source clock timestamp. A local clock signal is generated that is synchronized with a source clock signal of the source device. The data is decoded using a codec. At least one delay and the source clock timestamp are subtracted from a current value of the local clock signal to generate a local latency value. A difference between a desired latency value and the local latency value is determined. A rate of a clock signal of the codec is adjusted according to the determined difference. Because each sink device adjusts its latency to a common desired latency value, the sink devices are thereby synchronized. | 2008-11-27 |
20080291892 | ASSIGNMENT OF PRIMARY AND SECONDARY SYNCHRONIZATION CODE SEQUENCES TO CELLS IN A WIRELESS COMMUNICATION SYSTEM - Techniques for assigning primary synchronization code (PSC) sequences and secondary synchronization code (SSC) sequences to cells in a wireless communication system are described. At least one PSC sequence and multiple SSC sequences may be used for multiple cells in a Node B. In one design, the available SSC sequences in the system may be arranged into groups, with each group including M different SSC sequences. Additional groups of M SSC sequences may be formed with different permutations (e.g., different cyclic shifts) of each group of M SSC sequences. In one design, three SSC sequences SSC(G | 2008-11-27 |
20080291893 | OFDM-BASED DEVICE AND METHOD FOR PERFORMING SYNCHRONIZATION IN THE PRESENCE OF INTERFERENCE SIGNALS - An OFDM-based device and method for performing synchronization utilizes a time-domain preamble of an incoming OFDM-based signal to compute an estimated fine frequency offset. The computation of the estimated fine frequency offset involves multiplying values of the time-domain preamble with conjugates of corresponding values of a selected base station time-domain preamble, averaging the resulting multiplied values in predefined segments and self-correlating the resulting averaged values to derive a self-correlation value, which is used to compute the estimated fine frequency offset. | 2008-11-27 |
20080291894 | METHODS AND APPARATUS TO COMMUNICATE USING A MULTI-FIDELITY AUDIO GATEWAY - Methods and apparatus to communicate using a multi-fidelity audio gateway are described. One example method receives information associated with at least one communication service via a multi-fidelity audio gateway and selects at least one communication path for use by the gateway device based on the communication service. | 2008-11-27 |
20080291895 | Integrated access device, voice over internet protocol system and backup method thereof - An integrated access device, a voice over Internet protocol (VOIP) system and a backup method thereof. The VOIP system includes a first remote server, a second remote server and an integrated access device. The integrated access device includes a first Internet protocol interface, a second Internet protocol interface, a memory unit and a processing unit. A first network connection is built between the first Internet protocol interface and the first remote server, and a second network connection is built between the second Internet protocol interface and the second remote server. The memory unit is for storing a program, and the processing unit executes the program to judge whether a voice packet in the integrated access device can be transmitted through the first network connection or not. When the voice packet cannot be transmitted through the first network connection, the voice packet will be timely transmitted through the second network connection. | 2008-11-27 |
20080291896 | Detection of communication states - A method of determining an overall presence state for a user of a communication system in which the user is connected to the communication system using a plurality of devices. The method includes each of the plurality of devices storing in a device memory a presence state for that device; detecting a change in the presence state in at least one of the plurality of devices; each of the plurality of devices transmitting a message via the communication system to the remainder of the plurality of devices, the message comprising the presence state; receiving the messages at the remainder of the plurality of devices; and executing a decision-making code sequence in a processor at each of the remainder of the plurality of devices to determine whether to synchronise the presence state of that device with the presence state from one of the messages based on the origin of an event causing the change in presence state at the at least one of the plurality of devices. | 2008-11-27 |
20080291897 | Access System for the Provisioning of Different Communications Sevices, and Method for Using Same - An access communication system is provided which comprises at least one aggregation device comprising at least one automated switching matrix for connecting a plurality of communication devices with a plurality of subscribers. When a new subscriber is to be connected through the at least one aggregation device, the at least one automated switching matrix is operative to enable the provisioning of a required service to the new subscriber either by using one of these communication devices or by communicating with a communication device installed at a different location and operative to enable the provisioning of the service required by the new subscriber. By a preferred embodiment the at least one aggregation device and automated switching matrix and the plurality of communication devices are managed by a single managing entity. | 2008-11-27 |
20080291898 | Provision of Telecommunication Services - An apparatus ( | 2008-11-27 |
20080291899 | METHOD AND SYSTEM FOR SENDING, ROUTING, AND RECEIVING INFORMATION USING CONCISE MESSAGES - A system and method are provided for communication between a communication device and a content provider associated with an internet domain name and a server. The system includes a network with a user interface, an internet connection, and an interface to the content provider's internet domain. A communication device user enters a concise message request which includes a channel, a designator and, optionally, a request instruction. The combination of the channel and the designator specify a location on the internet at which routing instructions reside for responding to the concise message request and generating a concise message response for output to the communication device. Concise message documents can be generated for effecting financial transactions such as purchases and payments via SMS. CMRL can also be used to route person-to-person messaging through a content provider's internet domain at which the users may be registered. | 2008-11-27 |
20080291900 | Delivering Unified User Experience By Automatically Teaming Up Information Appliances With General Purpose PC Through Internet - An embodiment of the present invention is a method for server side integration of communication devices and the general purpose PC of the same user through a computer network wherein no physical connection is required between the PC and the communication device. The user registers with PnC (phone and computer) server for subscribing to one or more PnC services such as drop-to-call, conference-call-dropping service, webpage sharing, caller kaleidoscope etc., via user interface of communications device and/or PC. Various features for subscribing and unsubscribing to services are provided along with authenticating the user using the name and the phone number of the user while registering with the server. | 2008-11-27 |
20080291901 | Network architecture for call processing - A network system for call processing, including customer premises equipment originating a call across a network, wherein the call includes private and public information; a session border controller directing the call information from the customer premises equipment to a public switched telephone network gateway, wherein the session border controller parses out the private information from the call information transmitted to the gateway; and one or more servers coupled to the session border controller, routing only the non-private call information to the public switched telephone network gateway. | 2008-11-27 |
20080291902 | MANAGING A BUFFER FOR MEDIA PROCESSING - A method and apparatus to perform buffer management for media processing are described. | 2008-11-27 |
20080291903 | SUBSCRIBER LINE CIRCUIT FOR COMMUNICATION SYSTEMS AND COMMUNICATION SYSTEM - In one aspect a communication system is provided wherein subscriber line circuits are connected to the communication network via a packet-based network. The subscriber line circuit comprises protocol interfaces for communicating with different network elements of the communication system and for the bi-directional conversion of information, which is transmitted from and to subscriber terminals on the subscriber side, into the information that is transmitted from and to the communication system on the network side. | 2008-11-27 |
20080291904 | Telecommunications System for Minimizing the Effect of White Noise Data Packets for the Generation of Required White Noise on Transmission Channel Utilization - Minimizing the effects of the requisite AGWN packets on transmission channel utilization without diminishing any of the aesthetic quality of the AGWN white noise on the voice or audio communication. A system for minimizing the effect of required generated background noise on said transmission channel utilization comprising the combination of an implementation for forming a transmission stream of sequential digital audio data packets, associating with each audio packet a data code representation of the payload data packet enabling the generation of said background noise and an implementation at a receiving station, responsive to each of said data representations for forming the represented payload data packet enabling said generation of background noise together with means at said receiving station for interspersing said formed payload packets enabling background noise generation between said associated audio data packets and background noise generating means, at said receiving station, responsive to said enabling payload packets for generating the background noise between the audio data packets. | 2008-11-27 |
20080291905 | Systems and Methods for Real-Time Cellular-to-Internet Video Transfer - The present invention provides systems and methods for real-time cellular to Internet video transfer during a voice call between an initiator and a recipient handset. In some embodiments, the systems and methods deliver the video stream in real-time from a cellular phone to a personal computer using the Internet. | 2008-11-27 |
20080291906 | Stateful switching between reliable transport modules for communicating with an external peer without losing the transport layer connection - Disclosed are, inter alia, methods, apparatus, and means for stateful switching between reliable transport modules for communicating with an external peer without losing the transport layer connection. Primary and standby reliable transport protocol modules each maintain state concerning the reliable transport connection (e.g., data, segmentation, acknowledgements) such that if the primary or standby reliable transport protocol module fails, the other can resume by itself such that the communication with the peer transport application does not need to be restarted. Also, by the communications subsystem of a device providing copies of received reliable transport protocol messages directly to both the primary and standby reliable transport protocol modules, upon failover, the communications subsystem does not need to be reconfigured for resuming operations as, for example, the standby reliable transport protocol module will already be receiving these packets. | 2008-11-27 |
20080291907 | Data-Transmission Device and Method for Transmitting Data with a Reduced Outage Risk - The invention relates to a data transmission device having a number of N uplink interfaces (E1, UP) that can be directed via a processing line (A, B) provided with a data processing component (T, LIC) to a starting element (F). The invention is characterized in that a first processing line (A) and a second processing line (B) are provided, each comprising two separate processing rows (A | 2008-11-27 |
20080291908 | Method and Apparatus for Mapping an Appropriate Service Version for a Client - Distributed data processing systems that provide services at two network addresses have their interfaces described in a published interface description document available at a Uniform Resource Locator (“URL”). The interface description of the second of the services replaces the interface description of the first of the services. Related methods, computer readable media, and systems to benefit from an embodiment of the invention are also described and claimed. | 2008-11-27 |
20080291909 | MESSAGE DELIVERY DOWNGRADING ANNOTATIONS - Selectively modifying a message delivery requirement of a datagram message at an intermediary network node between an origin and a destination. A message delivery requirement is defined for a particular message. The message delivery guarantee defines how to transmit the particular message. A downgrading intent of the particular message is provided for the message at the origin. The downgrading intent of the particular message indicates that the message delivery requirement can be bypassed. The defined message delivery guarantee, the network delivery requirement, and the provided downgrading intent of the particular message are processed at the intermediate network node. The message delivery requirement of the particular message is ignored based on the provided downgrading intent. The message is delivered via a network protocol according to the provided downgrading intent. | 2008-11-27 |
20080291910 | Transitioning a Virtual Interface from One Tunnel to Another Tunnel - Packet switch operating methods and packet switches provision a plurality of tunnels on a packet switch by associating each of the plurality of tunnels with a packet switch port and by configuring the packet switch to modify packets relayed by the tunnel to include a transport identifier associated with the tunnel. The tunnels of the plurality relay packets when permitted by a tunnel index. The plurality of tunnels and the tunnel index are associated with a virtual interface. The methods and packet switches also permit a first tunnel of the plurality of tunnels to relay packets by configuring the tunnel index to indicate the first tunnel. The tunnel index indicates only one tunnel. The methods and packet switches also enable a second tunnel of the plurality of tunnels to relay packets by configuring the tunnel index to indicate the second tunnel, thereby preventing the first tunnel from relaying packets. | 2008-11-27 |
20080291911 | Method and apparatus for setting a TCP retransmission timer - A retransmission timer of a Transmission Control Protocol (TCP) session is set based at least in part on the predicted mean round trip time differential of the TCP session. For example, in one embodiment, after receiving a non-duplicate acknowledgment, the predicted mean round trip time differential of the TCP session would be determined and used to further determine the predicted round trip time of the next transmitted data segment. In one embodiment, the predicted round trip time of the next transmitted data segment would be used to determine a retransmission timeout, the value of which would be inserted into a retransmission timer. | 2008-11-27 |
20080291912 | SYSTEM AND METHOD FOR DETECTING FILE - The present invention relates to a file detecting system and a method thereof. The file detecting system uses a signature of a file header and collects a network packet including a file to be detected among packets transmitted/received through a network. Subsequently, after the network protocol header is eliminated from the collected network packet, the file is reassembled and recovered. The recovered file is verified, and the verified file is transmitted to various file analysis systems. | 2008-11-27 |
20080291913 | Detecting a timeout of elements in an element processing system - Provides methods, systems and apparatus for timer management of an element processing system wherein timer intervals related to elements to be processed can be handled in a time-efficient manner. An example method is a method for detecting a timeout of elements in an element processing system wherein a timer value, indicating a timeout interval with respect to a given time base, is assigned to each of the elements when processed. From a number of elements processed, the timer value indicating a minimum timeout interval to expire is determined out of the number of timer values assigned to the number of elements being processed. | 2008-11-27 |
20080291914 | Method for Implementing Multicast - A method for implementing multicast in the MAC in MAC network, which method enables the operator's backbone network device to support the multicast copy ability based on the private network user, and allows the public network, which supports the MAC in MAC Layer 2 backbone network, to have the full multicast ability, the inventive method adds into the PBB the correspondence of the multicast address between the private network and the public network as well as the multicast forwarding tables in each network equipments, copies and sends downward the multicast messages stage by stage, so that the multicast messages are sent downward in accordance with the typical multicast tree structure, thereby avoiding the huge waste of the bandwidth due to the multicast copy. | 2008-11-27 |
20080291915 | Processing packet flows - In one embodiment, an apparatus comprises a first logic configured to determine an identifier associated with a packet and determine a flow count index associated with the identifier, and a flow counter, coupled to the first logic and configured to count a number of packet flows associated with the flow count index. The embodiment also includes a second logic, coupled to the first logic and the flow counter, wherein the second logic is configured analyze the packet to determine if the packet is a part of a new packet flow that has not been counting in the flow counter, and if it has not been counted, incrementing the flow counter. | 2008-11-27 |
20080291916 | Systems and methods for dynamic quality of service - Systems, methods, and apparatus for routing are provided in which a connection track comprising a plurality of network or transport layer packets, received by a router, is identified by examination of header fields of one or more first packets in the plurality of packets. One or more quality of service (QoS) parameters is associated with the connection track by determining whether the track encodes a data type by (i) an identification of a predetermined application protocol used within the one or more first packets and/or (ii) a comparison of a payload of one or more packets in the plurality of packets to known data type formats. A first QoS parameter is set to a first value in a first value range when the connection track contains the first data type. The connection track is routed through the router in accordance with the one or more QoS parameters assigned to the connection track. | 2008-11-27 |
20080291917 | System and method for designing and implementing packet processing products - A system and method for allowing a user to create instructions for building a packet processing integrated circuit. The system includes a user interface for allowing a user to define a desired packet processing algorithm ( | 2008-11-27 |
20080291918 | System for strategic management and communication of data in machine environments - A system for strategic management and communication of data in machine environments includes at least one communication module for communicating data with an off-board system, the communication module being disposed in a machine environment and adapted for use with one or more communication methods. The system also includes a data interpreter communicatively coupled to the at least one communication module. The data interpreter is configured to communicate operation data associated with a machine, the operation data including a plurality of operational aspects associated with at least a portion the machine. The data interpreter prioritizes each of the plurality of operational aspects in a communication queue associated with the data interpreter. The data interpreter is also configured to select a communication method for each of the plurality of operational aspects based on a priority associated with a respective operational aspect and transmit each of the operational aspects to the off-board system via the selected communication method. | 2008-11-27 |
20080291919 | Traffic Distribution and Bandwidth Management for Link Aggregation - An apparatus comprising a plurality of ingress ports, a routing logic coupled to the ingress ports, and a plurality of egress ports coupled to the routing logic, wherein the routing logic is configured to transport a plurality of data frames associated with a plurality of data flows from the ingress ports to the egress ports, and wherein the apparatus associates at least some of the data flows with a bandwidth. Included is a network component configured to implement a method comprising distributing a plurality of data flows to a plurality of links in a link aggregation group (LAG) using bandwidth information associated with the data flows. | 2008-11-27 |
20080291920 | SYSTEM AND METHOD FOR MANAGING COMMUNICATIONS - A system and method for managing communications is disclosed. A system that incorporates teachings of the present disclosure may include, for example, a communication device having a controller element to transmit a packet along a logical tunnel established through an internet service provider, wherein the route of the packet is managed according to a MPLS label of the packet and a VRF routing table. Additional embodiments are disclosed. | 2008-11-27 |
20080291921 | Pseudo Wire Label Reflector, an Edge Equipment, a Two-Layer Virtual Network and a Method of Providing Pseudo Wire Service - A pseudo wire label reflector, based on a existing label distribution router, further includes: a mode management unit, for determining the mode for switching and transferring a pseudo wire label message; a first session management unit, for saving the support information that LDP signaling session connection supports the pseudo wire label reflecting capacity; a first pseudo wire label receiving unit, for receiving a pseudo wire label message; a first pseudo wire management unit, for saving the switched pseudo wire state and deciding whether to modify the pseudo wire label message according to the switch and transfer mode determined by the mode management unit; a first pseudo wire label sending unit, for sending the pseudo wire label message. The invention also provides an edge apparatus, a L2 VPN and a method for providing pseudo wire service in PSN. The present invention makes PE equipments participating pseudo wire service to set up PSN tunnel and LDP signaling session connection with the pseudo wire label reflector by introducing the pseudo wire label reflector and extending the capacity that the current edge apparatus supports the pseudo wire label reflector. | 2008-11-27 |
20080291922 | Method of Preventing Transport Leaks in Hybrid Switching Networks by Extension of the Link Layer Discovery Protocol (LLDP) - An apparatus comprising a processor configured to implement a method comprising receiving a first data structure comprising a first virtual local area network identifier (VID) and a first forwarding type, comparing the first VID and a first forwarding type with a second VID and a second forwarding type in a second data structure, and reporting a misprovisioned data structure if the first VID is the same as the second VID and the first forwarding type is not the same as the second forwarding type. Also disclosed is a method comprising implementing a network protocol to forward provisioning information in a plurality of VID Tables corresponding to a plurality of nodes, and analyzing the provisioning information to detect misprovisioned nodes. | 2008-11-27 |
20080291923 | Application routing in a distributed compute environment - A multi-level classification scheme for classifying subscriber traffic at a network node coupled between subscribers of network services and providers of the network services includes two levels of classification. The subscriber traffic is received at the network service node. A first portion of the subscriber traffic is selectively routed from a plurality of first level routers to a plurality of second level routers within the network service node. The first portion of the subscriber traffic is then selectively routed from the second level routers to network applications executing within the network service node for processing. | 2008-11-27 |
20080291924 | Transmission device - According to an aspect of an embodiment, a transmission device, that automatically generates transmission paths within a transmission network, includes a storing unit that stores first information that indicates an end user to which a link, where a transmission path is contained, and a path bandwidth, which is used to generate the transmission path, are assigned and second information that indicates whether the path can be shared each of the end users; and a sending unit sending third information to identify the end user and the second information to a adjacent node. | 2008-11-27 |
20080291925 | METHOD AND APPARATUS FOR INTERACTIVE ROUTING - A method to provision routes in a network having a plurality of nodes and a plurality of links connecting various nodes. The method includes determining a route between a designated source node and a designated destination node based on a preselected routing algorithm and one of (i) a designated node of interest and (ii) a designated link of interest, and outputting information indicating the determined route. | 2008-11-27 |
20080291926 | Distributed content storage system, content storage method, node device, and node processing program - A node device included in a distributed content storing system configured that a plurality of content data are distributed and stored in a plurality of node devices mutually communicable through a network, and node information of the node device storing the above content data is registered in the node device administrating the content data, the node device including:
| 2008-11-27 |
20080291927 | Policy Based and Link Utilization Triggered Congestion Control - An apparatus comprising a plurality of ingress ports coupled to a plurality of upstream nodes, the ingress ports having an incoming data rate; and a plurality of egress ports coupled to the ingress ports and an aggregated link comprising a plurality of links, the aggregated link having a bandwidth capacity, wherein at least some of the upstream nodes reduce their data transfer rates to a rate greater than zero when the incoming data rate is greater than or about equal to the aggregated link's bandwidth capacity. Also disclosed is a network component comprising a processor configured to implement a method comprising varying a plurality of transmission rates at a rate greater than zero, wherein the transmission rates correspond to a plurality of nodes that send data over an aggregated link. | 2008-11-27 |
20080291928 | Processing Packets of a Virtual Interface Associated with Tunnels - Packet switch operating methods and packet switches assign a packet to a virtual interface. The virtual interface is associated with a plurality of tunnels. One of the plurality is designated a primary tunnel configured to accept packets. Other tunnels of the plurality are designated as backup tunnels and are configured to reject packets. The methods and packet switches also determine which of the plurality of tunnels is the primary tunnel and determine a packet switch port associated with the primary tunnel. The methods and packet switches egress the packet via the primary tunnel on the packet switch port associated with the primary tunnel. | 2008-11-27 |
20080291929 | Providing connectivity between subnets of a wireless network - A method of providing connectivity between subnets of a wireless network is disclosed. The method includes each gateway of each subnet selecting less than all gateways of each other subnet of the wireless network. An adjacency is formed between each gateway and each of the less than all selected gateways of each other subnet. | 2008-11-27 |
20080291930 | Handling Quality of Service in a Communication System - A method of ensuring an end-to-end Quality of Service for calls traversing an IP Multimedia Subsystem. The method comprises interposing a Home IP Multimedia Subsystem Gateway at the control plane between the IP Multimedia Subsystem and at least one non-SIP client. At the Home IP Multimedia Subsystem Gateway, SIP signalling is exchanged with a remote client on behalf of said non-SIP client, the Gateway performing a mapping between a media type identified within the SDP part of one or more SIP messages and a Quality of Service type specified for a protocol used to control the Quality of Service in the call leg between the non-SIP client and a Residential Gateway. The call leg is configured in accordance with the mapped Quality of Service type. | 2008-11-27 |
20080291931 | SYSTEM FOR BROADCASTING BETWEEN SUBNETWORKS CONNECTED VIA A ROUTER - The present invention allows the contents of network-wide broadcast in a first subnetwork to be passed to a second subnetwork even if a router is set to prevent the network-wide broadcast in the first subnetwork from going out of the first subnetwork. In response to the network-wide broadcast in the first subnetwork, a first broadcast relay generates a packet in which a destination address of the network-wide broadcast packet is changed to an address of a second broadcast relay belonging to a second subnetwork, and outputs the address changed packet to the first subnetwork. The second broadcast relay generates, in response to the packet addressed thereto, a second subnetwork-only broadcast as a local broadcast, and outputs it to the second subnetwork. A server of the second subnetwork performs a predetermined process on the broadcast outputted by the second broadcast relay. | 2008-11-27 |
20080291932 | Multi-protocol digital convergent system - The system and method herein for multiprotocol switching comprises multiprotocol switching cards, a user registration module and a billing module. The multiprotocol switching cards are used for switching at the system level, network level and application level. The multiprotocol switching cards are inserted in a plurality of slots. The services are installed in each card though installation of software programs. The user registration module registers the subscribers for different communication identifiers such as land line, wireless phones and devices, and email. The billing module supports the billing and payment activities across multiple communication protocols. The disclosed invention transfers data across different communication channels such as local area networks, wireless networks, satellite network, cable network, time division multiplexing networks, voice networks, and asynchronous transfer mode networks, frame networks, internet protocol networks, data networks, etc. The transferred data is one of a voice, data, video and any combination thereof. | 2008-11-27 |
20080291933 | METHOD AND APPARATUS FOR PROCESSING PACKETS - A computer implemented method, apparatus, and computer usable program code for processing packets for transmission. A set of interface specific network buffers is identified from a plurality of buffers containing data for a packet received for transmission. A data structure describing the set of interface specific network buffers within the plurality of buffers is created, wherein a section in the data structure for an interface specific network buffer in the set of interface specific network buffers includes information about a piece of data in interface specific network buffer, wherein the data structure is used to process the packet for transmission. | 2008-11-27 |
20080291934 | Variable Dynamic Throttling of Network Traffic for Intrusion Prevention - Methods, apparatus, and computer program products for variable dynamic throttling of network traffic for intrusion prevention are disclosed that include initializing, as throttling parameters, a predefined time interval, a packet count, a packet count threshold, a throttle rate, a keepers count, and a discards count; starting a timer, the timer remaining on no longer than the predefined time interval; maintaining, while the timer is on, statistics including the packet count, the keepers count, and the discards count; for each data communications packet received by the network host, determining, in dependence upon the statistics and the throttle rate, whether to discard the packet and determining whether the packet count exceeds the packet count threshold; and if the packet count exceeds the packet count threshold: resetting the statistics, incrementing the throttle rate, and restarting the timer. | 2008-11-27 |
20080291935 | Methods, Systems, and Computer Program Products for Selectively Discarding Packets - A method, system, and computer program product are provided for selectively discarding packets in a network device. The method includes receiving an upstream bandwidth saturation indicator for a queue in the network device, and identifying one or more codecs employed in packets in the queue when the upstream bandwidth saturation indicator indicates saturation. The method further includes determining a packet discarding policy based on the one or more codecs, and discarding packets in accordance with the packet discarding policy. | 2008-11-27 |
20080291936 | TEMPORARY BLOCK FLOW CONTROL IN WIRELESS COMMUNICATION DEVICE - A wireless communication device ( | 2008-11-27 |
20080291937 | Transmission control protocol queue sorting - A device that queues and transmits data packets is described. This device includes: a queue configured to store data packets awaiting transmission; a controller configured to dynamically determine an order in which the data packets are transmitted from the queue; and a transmission mechanism configured to transmit the data packets from the queue in the determined order. The transmission order is determined using Transmission Control Protocol (TCP) sequence numbers and/or TCP timestamps contained in the data packets in the queue in order to provide increased utility without reducing existing fairness between independent data streams. | 2008-11-27 |
20080291938 | Connecting Device for Randomly Connecting a Number of Transmitters and Receivers, Communication Device and Method for Producing Connecting Device - A connection device for random connection of a first member of first transmission/reception units with a second number of second transmission/reception units has a switching matrix that includes a third number of controllable micromechanical switching elements that are respectively activatable to establish a connection between one of the first transmission/reception units and one of the second transmission/reception units. A control circuit selectively activates the respective micromechanical switching elements to selectively establish respective connections between the first number of first transmission/reception units and the second number of transmission/reception units. | 2008-11-27 |
20080291939 | MEDIA CONVERTER - A media converter capable of converting digital data of a unidirectional interface to digital data of a bidirectional interface or converting vice versa and converting digital data in commercial use to digital data for consumers or converting vice versa so that consumers are able to obtain even high quality images is provided. The media converter has a function for inputting digital data of a unidirectional interface and converting the inputting digital data to digital data of a bidirectional interface, and a function for inputting digital data of a bidirectional interface and converting the inputting digital data to digital data of a unidirectional interface, wherein the unidirectional interface is an HD-SDI (High Definition Serial Data Interface) format digital interface, and the bidirectional interface is a digital interface conforming to IEEE1394. | 2008-11-27 |
20080291940 | Switchboard For Dual-Rate Single-Band Communication System - A switchboard device and methods of operation of same are disclosed. Embodiments of the invention may provide a flexible means of interconnecting wideband and narrowband communications interfaces, where wideband communications interfaces may transfer wideband data sampled at a higher sampling rate, and narrowband communication interfaces may transfer narrowband data sampled at a lower sampling rate. Data streams sampled at different sampling rates can be combined and the sampling rate of the result adjusted as needed by the destination interface. Methods of operating embodiments of the present invention are included. An additional aspect of the present invention may include machine-readable storage having stored thereon a computer program having a plurality of code sections executable by a machine for causing the machine to perform the foregoing. | 2008-11-27 |
20080291941 | Communication Device, Communication System, Communication Method, Communication Program, and Communication Circuit - In a client device ( | 2008-11-27 |
20080291942 | ATM CELL DATA TRANSMISSION CONTROL - An ATM cell data transmission control process is disclosed for controlling the transmission of ATM cell data. To an ATM layer device for processing ATM cell data in an ATM layer, there are connected a preceding-stage device for transmitting ATM cell data to the ATM layer device through a UTOPIA level 2 interface, and subsequent-stage devices for receiving the ATM cell data transmitted from the ATM layer device through a UTOPIA level 2 interface. The ATM layer device searches for a second address of the preceding-stage device based on a first address of a subsequent-stage device which is incapable of receiving ATM cell data, and masks the second address so as not to be recognized by the preceding-stage device when the ATM layer device transmits the second address to the preceding-stage device. | 2008-11-27 |
20080291943 | Method of Modifying the Power Spectral Density of a Telecommunications Line and an Adjustment Method Using That Method - The invention relates in particular to a method of modifying the spectral power density of a telecommunications line sending data from a sender terminal to a receiver terminal, the spectral power density being divided between a plurality of sub-bands of data transmission frequencies of the line. This method includes the following steps: an activation message is sent from the sender terminal to the receiver terminal and the reception of that activation message by the receiver terminal causes the sending of a message requesting modification of the spectral power density transmitted in a selected sub-band from the receiver terminal to the sender terminal. | 2008-11-27 |
20080291944 | Method for Real-Time Synchronizing Configuration Data Between Element Management Systems and Network Elements - The present invention discloses a method for synchronizing the configuration data between an EMS and a NE, which includes: dividing the configuration data in the NE into several layers so that different configuration data layers include different minimum unit configuration data sets; setting a minimum unit identifier word for each configuration data layer to identify the configuration data changes of the configuration data layer; when the configuration data of the NE is changed, changing the corresponding identifier word and sending a configuration changed event notification to EMSs; after receiving the configuration changed event notification, the EMS synchronizes the configuration data according to the event notification. With the present invention, it is possible to make the EMS effectively monitor and synchronize configuration data with the NE in a real-time manner, so that network management efficiency can be improved. | 2008-11-27 |
20080291945 | SCRAMBLING METHODS FOR SYNCHRONIZATION CHANNELS - Systems and methods are provided that facilitate generation and detection of synchronization channels in a wireless communication system. A one-to-one relationship is established among a set of scrambling codes (SCs) and a set of primary synchronization channel (P-SCH) sequences which are determined by a reusable sector identifier that is determined through detection of the P-SCH channel. The set of scrambling codes are utilized to (i) scramble a secondary synchronization channel sequence which facilitates detection of the S-SCH sequence once the reusable sector identifier is detected, or (ii) compose an unscrambled S-SCH sequence through a sequential or interleaved concatenation of SCs wherein a concatenation indication is received in a mobile terminal. Cyclic shifts and sign-flip operations applied to a base sequence are employed to generate SCs. A lookup table and a library of SCs facilitate scrambling code determination in a mobile terminal that receives associated P-SCH and S-SCH sequences. | 2008-11-27 |
20080291946 | Fast quantum gates with ultrafast chirped pulses - Apparatus and methods of performing fast single-qubit quantum gates using ultrafast femtosecond frequency chirped laser pulses are disclosed. The use of chirped pulses removes the demanding restrictions of prior art approaches and allows for the construction of fast quantum gates that operate at speeds on the of order several picoseconds. The apparatus includes two synchronized lasers (pump and Stokes) used to manipulate a qubit wave function in a select manner. Each laser system generates a train of optical pulses. Pulse pickers choose pump and Stokes pulses, which propagate though respective pulse shapers that apply necessary time-dependent phases. To achieve complete overlap between the pulses in time domain, necessary adjustments can be made by using an additional time delay line, which can be located in any path or in both paths. | 2008-11-27 |
20080291947 | Laser Arrangements and Methods - A method for preventing spatial or spectral beam seeding in a Q-switched laser is described. The Q-switch trigger of the laser is delayed by several laser resonator lifetimes after the end of the pump pulse. In this way, beam seeding is completely eliminated whilst pre-lase is maintained. The method described may be used for any laser system where the fall time of the pump radiation is sufficiently fast with respect to the upper state lifetime of the laser medium. | 2008-11-27 |
20080291948 | Monolithic diode-pumped laser cavity - A monolithic pumped laser cavity design is disclosed. Elements of the laser cavity, such as gain material, Q-switch, reflector, and outcoupler, are contact bonded together with a thermally conductive epoxy. The assembly is then operatively coupled to a heat sink (e.g., by mechanical or chemical means). The assembly is potted in thermally conductive potting material. The stacked elements or a subset thereof may be bonded to heat sink mounts and/or face cooling layers. In this fashion, various elements can be easily assembled and bonded together to provide the desired combination of laser energy, pulse width, and repetition frequency. The thermally conductive potting material provides structural integrity, as well as thermal management by extracting heat from the encased assembly to the heat sink. The optional heat sink mounts and face cooling operate to further extract heat and reduce thermal loading. Outcoupling to fiber may also be provided. | 2008-11-27 |
20080291949 | Q-Switched Laser - A system for producing a laser light pulse is disclosed. The system includes a travelling wave or ring laser incorporating a gain medium with polarizing means for introducing substantially polarized radiation having a first polarization state into the travelling wave laser and output coupling means to substantially output couple radiation having an output polarization state from the travelling wave laser. The system further includes polarization changing means incorporated into the optical path of the travelling wave laser for changing the polarization of radiation having the first polarization state to a seeding polarization state, wherein radiation with the seeding polarization state seeds the gain medium, and radiation intensity modulation means for modulating the intensity of radiation in the travelling wave laser to vary the feedback of radiation into the gain medium, wherein the radiation intensity modulation means also modulates the radiation with respect to the output coupling means. | 2008-11-27 |
20080291950 | OPTICAL BEAM STEERING FOR TUNABLE LASER APPLICATIONS - A transmitter is disclosed including a laser array comprising a plurality of lasers spatially offset from one another and each having a laser output having a unique wavelength. A first prism is positioned to impart a first angular shift to the laser outputs to produce and a second prism is positioned to impart a second angular shift opposite the first angular shift on the outputs. An index modulating element is coupled to one of the first and second prisms and a controller is electrically coupled to the index modulating element to control an angle of light output form the second prism. An optical spectrum reshaper may be positioned between the second prism and the lens and have at least one transmission edge aligned with the wavelength at least one of the lasers. | 2008-11-27 |
20080291951 | Light emitting array - A light emitting device including an array of light emitters to emit first light pulses. Each of the light emitters includes a saturable absorber and a waveguide having an electrically pumped gain region to emit the first light pulses. At least one reflector structure reflects the first light pulses into a nonlinear crystal by changing the direction of the first light pulses by an angle that is in a range of 70 to 110 degrees. The reflector structure includes a sub-wavelength grating structure to change the polarization of the first light pulses. A nonlinear crystal generates second light pulses such that the optical frequency of the second light pulses is two times the optical frequency of the first light pulses. | 2008-11-27 |
20080291952 | OPTICAL SEMICONDUCTOR DEVICE - An optical semiconductor device with a semiconductor laser formed over a semiconductor substrate, and a modulator formed over the semiconductor substrate and continuously arranged with the semiconductor laser, wherein the semiconductor laser includes a first region having a diffraction grating with a phase shift, a second region arranged between the first region and the modulator, and in which the diffraction grating is not formed, and a common active layer formed over the first region and the second region, a first electrode injecting a current into the common active layer. | 2008-11-27 |
20080291953 | Light-Emitting System Provided with an Integrated Control Photosensor and a Method for Producing Said System - Light-emitting system comprising an integrated control photodetector and method for fabricating said system. | 2008-11-27 |
20080291954 | Optical Projection System and Method for a Cooled Light Source - A light projection optical system is presented. The system comprises a cooling chamber containing: a light source operative at a cool temperature being lower than 240K; a cooler unit capable of cooling said light source to said cool temperature during the light source operation, an optical window permitting light emergence outside from the cooling chamber; and an optical unit accommodated in the optical path of light emitted by said light source and enabling emergence of this light through said optical window outside from the cooling chamber. | 2008-11-27 |
20080291955 | Modular diode laser assembly - An extremely versatile diode laser assembly is provided, the assembly comprised of a plurality of diode laser subassemblies mounted to a stepped cooling block. The stepped cooling block allows the fabrication of a close packed and compact assembly in which individual diode laser subassembly output beams do not interfere with one another. | 2008-11-27 |
20080291956 | Driving laser diodes with immunity to temperature changes, aging, and other effects - Various systems and methods are provided to achieve laser power control. In one embodiment, a system is provided that comprises a counter that holds a digital value. An digital-to-analog converter is employed to convert the digital value to an analog current. A data threshold current is generated by a laser driver based upon the analog current. The data threshold current is employed to represent a data value in a data signal employed to drive a laser diode. Also, circuitry is employed to adjust the digital value based upon a comparison between a target threshold current and a feedback current generated from a laser output of the laser diode. | 2008-11-27 |
20080291957 | WAVELENGTH TUNABLE LASER APPARATUS AND WAVELENGTH CONTROL METHOD - Included are: a gain chip having a gain unit and a phase control region; a current supply for causing a positive current to flow to the phase control region; a voltage supply for applying a bias voltage to the phase control region; and a control unit for selectively driving the current supply or the voltage supply depending on a direction of the wavelength shift. The control unit drives the current supply when a laser wavelength is to be shifted to a shorter wavelength side from a wavelength with the current supply and the voltage supply being turned off, and drives the voltage supply when the laser wavelength is to be shifted to a longer wavelength side from a wavelength with the current supply and the voltage supply being turned off. | 2008-11-27 |
20080291958 | SEMICONDUCTOR LASER DEVICE - In a semiconductor laser device, a semiconductor laser element is so fixed to a base that a distance between a convex side of a warp of the semiconductor laser element and the base varies with the warp of the semiconductor laser element along a first direction corresponding to an extensional direction of a cavity while a wire bonding portion is provided around a portion of an electrode layer corresponding to the vicinity of a region where the distance is the largest. | 2008-11-27 |
20080291959 | SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME - In a blue-violet semiconductor laser device, a pair of side surfaces of a semiconductor device structure composed of a nitride based semiconductor layer is respectively positioned inside a pair of side surfaces of a partial substrate composed of a Ge substrate. This causes the pair of side surfaces of the semiconductor device structure and the pair of side surfaces of the partial substrate to be respectively spaced apart from each other by a predetermined distance in a direction perpendicular to the pair of side surfaces of the semiconductor device structure. On the partial substrate, current blocking layers are formed in a region between the pair of side surfaces of the partial substrate and the pair of side surfaces of the semiconductor device structure. | 2008-11-27 |
20080291960 | Semiconductor laser diode and the manufacturing method thereof - A multibeam semiconductor laser diode having: an n-type semiconductor substrate; an n-type clad layer, an active layer, a p-type clad layer and a contact layer; a plurality of partitioning grooves extending from one end to the other end of the substrate and formed from the contact layer to a predetermined depth of the p-type clad layer; a stripe-shaped ridge sandwiched between two separation grooves; an insulating layer covering an area from each side wall of the contact layer of each ridge to an end of the partitioning region via the separation groove; a first electrode formed on a second plane of the substrate; and a second electrode formed in each partitioning region covering an area above the ridge, separation grooves and multilayer semiconductor layers outside the separation grooves, the second electrode being constituted of a lower second electrode layer and an upper second plated layer. | 2008-11-27 |
20080291961 | Nitride semiconductor light emitting device and method of fabricating nitride semiconductor laser device - There is provided a nitride semiconductor light emitting device having a light emitting portion coated with a coating film, the light emitting portion being formed of a nitride semiconductor, the coating film in contact with the light emitting portion being formed of an oxynitride. There is also provided a method of fabricating a nitride semiconductor laser device having a cavity with a facet coated with a coating film, including the steps of: providing cleavage to form the facet of the cavity; and coating the facet of the cavity with a coating film formed of an oxynitride. | 2008-11-27 |
20080291962 | BANDWIDTH-LIMITED AND LONG PULSE MASTER OSCILLATOR POWER OSCILLATOR LASER SYSTEMS - Laser systems have a line-narrowed master oscillator and a power oscillator for amplifying the output of the master oscillator. The power oscillator includes optical arrangements for limiting the bandwidth of radiation that can be amplified. The limited amplification bandwidth of the power oscillator is relatively broad compared to that of the output of the master oscillator, but narrower than would be the case without the bandwidth limiting arrangements. The bandwidth narrowing arrangements of the power oscillator function primarily to restrict the bandwidth of amplified spontaneous emission generated by the power oscillator. | 2008-11-27 |
20080291963 | Fiber-based mid-infrared generation laser for laser ultrasound inspection - Embodiments of the present invention relate to a laser system and method for the optical generation of ultrasound at a remote target. This involves generating a pump laser beam with a diode-pumped fiber laser. The diode pumped fiber laser is fiber-coupled with an optical fiber, either passive or diode pumped, to a generation laser head. The generation laser head generates a generation laser beam from the pump laser beam and directs the generation laser beam to the surface of the remote target. The interaction between generation laser beam and the surface of the remote target results in ultrasonic displacements at the remote target. These ultrasonic displacements may be sampled in order to assess and inspect the remote target. | 2008-11-27 |
20080291964 | Temperature Sensing - A TGT measurement system comprises a plurality of thermocouples connected in parallel to a distributor, and a data storage device carrying calibration data relating to at least one of the thermocouples. | 2008-11-27 |
20080291965 | Method for measuring ash/slag deposition in a utility boiler - A method for measuring ash/slag deposition in an operating utility boiler. The method has the following steps: i) providing a probe for the boiler wherein the probe has at least one thermocouple therein or thereon for measuring temperature; ii) measuring the temperature at the thermocouple at a baseline time; iii) measuring the temperature at least one thermocouple at a pre-determined time later than the baseline time; and iv) comparing the temperature at the baseline time to the temperature at the pre-determined time to correlate to a level of deposition. There is also a utility boiler system. | 2008-11-27 |
20080291966 | Thermal conductivity detector (TCD) having compensated constant temperature element - A thermal conductivity detector (TCD) includes a detector cell body having a plurality of fluid cavities, at least one detector element associated with each of the plurality of fluid cavities, and a control circuit associated with each of the at least one detector elements, wherein the control circuit varies the power to the at least one detector element to maintain the at least one detector element at a constant temperature. Power compensation and temperature compensation are also provided to minimize temperature variation of the body of the TCD cell. | 2008-11-27 |
20080291967 | Measuring Apparatus - A measuring apparatus is provided. The measuring apparatus includes i) a point temperature sensor that has a tip and measures a temperature of an object, ii) a laser that heats the tip of the point temperature sensor by emitting a laser beam, iii) an optical member that is located between the laser and the point temperature sensor, iv) a measuring device that detects and measures a signal from the point temperature sensor, and v) a signal generator that supplies a reference signal. | 2008-11-27 |
20080291968 | Sensor | 2008-11-27 |
20080291969 | Temperature sensing circuit and semiconductor memory device using the same - A temperature sensing circuit comprises a temperature sensing unit for generating a reference voltage having a constant level, regardless of a temperature fluctuation, and a variable voltage to be changed according to the temperature fluctuation, and a comparison unit for comparing the reference voltage to the variable voltage, detecting an ambient temperature and generating a temperature detecting signal. | 2008-11-27 |
20080291970 | ON CHIP TEMPERATURE MEASURING AND MONITORING CIRCUIT AND METHOD - A device temperature measurement circuit, an integrated circuit (IC) including a device temperature measurement circuit, a method of characterizing device temperature and a method of monitoring temperature. The circuit includes a constant current source and a clamping device. The clamping device selectively shunts current from the constant current source or allows the current to flow through a PN junction, which may be the body to source/drain junction of a field effect transistor (FET). Voltage measurements are taken directly from the PN junction. Junction temperature is determined from measured junction voltage. | 2008-11-27 |
20080291971 | Method and Transmitter, Receiver and Transceiver Systems for Ultra Wideband Communication - A transmitter for transmitting data as a pulsed ultrawide band signal comprises a serial-to-parallel converter ( | 2008-11-27 |
20080291972 | Method and Transmitter, Receiver and Transceiver Systems for Ultra Widebrand Communication - A system such as a code division multiple access (CDMA) system or an ultrawide band (UWB) system comprises a transmitter and a receiver. The transmitter includes a sequence extender for extending the incoming signal and a spreader for spreading the extended signal, the spreader input being coupled to the sequence extender output. A pulse shaper is coupled to the spreader output to provide a transmitter output signal. The transmitter output signal which has an associated chip rate is received by the receiver and is passed to a filter to select a number of input signals from the received signals. The signal is the passed to a sequence extension remover for removing a number of chips from the signal. The received signal is despread to a symbol rate which is less than the chip rate at which the received signal was spread prior to being received by the receiver. A frequency domain equalizer is provided to form a frequency equalized signal from the modified signal. | 2008-11-27 |
20080291973 | Integrated Ultra-Wideband (Uwb) Pulse Generator - A pulse generator includes a sinusoidal monocycle generator ( | 2008-11-27 |