34th week of 2008 patent applcation highlights part 28 |
Patent application number | Title | Published |
20080198840 | IP EXTENSION PHONE SYSTEM AND SERVER SYSTEM - There is provided an IP extension phone system including: a first server; a second server; and a portable IP phone, wherein when the second server detects connection of the portable IP phone, the second server assigns an IP address corresponding to the connected position to the portable IP phone, the portable IP phone registers the IP address in the first server, and the first server records an extension number and the IP address of the portable IP phone in an extension number management table and further records the extension number in a group management table while associating the extension number with a group corresponding to a segment of the IP address. | 2008-08-21 |
20080198841 | Uma Cs/Ps Split Architecture and Interface - An UMA network controller (SGW,D | 2008-08-21 |
20080198842 | PHONE APPLIANCE WITH DISPLAY SCREEN AND METHODS OF USING THE SAME - A phone appliance and method of use are provided where the phone appliance can be used to make VoIP communications calls. In a preferred embodiment, the phone appliance includes an RF connection for connecting to a computer or other computing device for facilitating the placement of the VoIP communications calls. The phone appliance further includes a display or portal for depicting advertisements provided by various advertisers. The advertisements provided can be used to defray all or part of the cost associated with making VoIP communications calls. The portal can also be used to communicate with businesses for ordering products, such as ordering a pizza, and to perform various services, such as purchasing stocks. In an exemplary system, the phone appliance is used to transmit to a control center information related to the user of the phone appliance, such as interests and buying habits, and queries for receiving additional information for various advertised products and services. The control center transmits the queries to the appropriate vendors for providing the user with additional information. Other functions and features are provided to the phone appliance, such as being able to download e-mail messages stored within or received by the computer. | 2008-08-21 |
20080198843 | Method and apparatus for switching data in communication system - A method and apparatus for switching data in communication system which comprises of mainly a conversion circuit to receive source data possessing real coding dimension and covert it to converted data possessing tolerable coding dimension; judgment bit is set in the converted data to designate the data as source data or not. Later on, shift circuit is used to shift the converted data in certain amount so as to generate a shifted data; meanwhile, the lowest bit and highest bit of shifted data are used to start acquiring real coding dimension to be used respectively as a first data and a second data, or by changing the pattern of acquiring the first data, then the highest bit minus the real coding dimension bit as the starting bit of the first data, and acquiring the real coding dimension from the side of the lowest bit. Finally, a comparison and selection circuit is used to compare the corresponding judgment bit in the first and the second data and to output an output data, wherein output data is source data with the above-mentioned amount of shift. | 2008-08-21 |
20080198844 | Cross-media communication coordination - Methods and a media system for cross-media communication coordination may include but are not limited to receiving one or more data packets via one or more modes of communication; providing a data storage format for the one or more data packets; providing an identification tag to enable manipulation of one or more selected data packets; and converting the one or more selected data packets from an original communication type to an alternative communication type. Other methods and systems for cross-media communication coordination may include but are not limited to receiving one or more data packets; determining an original media type associated with the one or more data packets; and converting one or more selected data packets using the original media type to a specified content storage format appropriate for including in a further communication to a predetermined computing device. | 2008-08-21 |
20080198845 | Arrangement, Nodes and a Method Relating to Services Access Over a Communication System - The present invention relates to an arrangement in a communications system participating in user station (UE; l) service request and/or access procedures and comprising a number of packet data support nodes ( | 2008-08-21 |
20080198846 | System and method of data transmission and method of selecting communication path for dual-controller system - A data transmission system and method and a method of selecting a communication path for a dual-controller system are provided, which are applied in a first controller and a second controller of the dual-controller system. First of all, a corresponding transmission medium is selected according to a feature of a data request issued by a controller, then the data request is converted into a data format compatible with a medium interface corresponding to the selected transmission medium and is sent to a corresponding medium driving portion connected with the medium interface, and the data request is sent to another controller through the medium driving portion and a connected corresponding medium controller, so as to select a path of the highest transmission performance, and realize the data transmission between the two controllers. | 2008-08-21 |
20080198847 | MULTICASTING SYSTEM, CLIENT DEVICE, UPPER ROUTER CONTROLLER, METHOD OF DISPLAYING CONTENT AND COMPUTER PROGRAM - A multicasting system includes a delivery server for multicasting a content via at least one upper router and a plurality of lower routers, a plurality of client devices for playing the content multicast by the delivery server and an upper router controller, a content retrieving unit, and a content playing unit. The client device includes an individual storage unit, a content retrieving unit, a content playing unit, a switch time addition unit, and a display controller. The delivery server includes a content delivery unit for delivering each content to the client device. The upper router controller includes a session information retrieving unit, a book scheduling unit, and a schedule information notifier. | 2008-08-21 |
20080198848 | MULTICASTING SYSTEM AND MULTICASTING METHOD - A multicasting system includes a delivery server for multicasting a content via at least one upper router and a plurality of lower routers, a plurality of client devices for playing the content multicast by the delivery server, an upper router controller for controlling the upper router and a lower router controller for controlling the plurality of lower routers. The client device includes a play history storage unit, an individual storage unit, a content retrieving unit, and a content playing unit. The delivery server includes a master storage unit, an optimizer optimizing the identifier and the session information of the content stored on the individual storage unit, and a content delivery unit. The upper router controller includes a session information retrieving unit, a book scheduling unit, and a schedule information notifier. | 2008-08-21 |
20080198849 | SCALING VIRTUAL PRIVATE NETWORKS USING SERVICE INSERTION ARCHITECTURE - In one embodiment, service routers may register their serviced VPNs with a service directory/broker (SDB), and edge routers may register their attached VPNs. The SDB may then return service headers, each corresponding to a particular VPN, and also returns an address of a service router corresponding to each service header to the edge routers. An edge router may then push an appropriate service header onto a received packet, and forward the packet to the corresponding service router, which forwards the packet based on a maintained VRF for a VPN according to the service header (e.g., thus the edge routers need only maintain limited/reduced VRFs). Also, services provided by the service routers may be distinguished using service headers accordingly. In this manner, the edge routers may forward packets requiring one or more desired services to service routers configured to perform such services. | 2008-08-21 |
20080198850 | Peer-to-peer communication system and method - A method and system of enabling communication between peers in a peer-to-peer (P2P) network in the presence of network address translators (NAT). The method includes: assigning a unique peer identifier to each one of the plurality of peers in the P2P network; establishing an overlay topology connecting each peer to a subset of the plurality of peers in a structured connection pattern based on the unique peer identifier of each peer, each one of the plurality of peers having more connections to close peers and fewer connections to distant peers; and routing messages between peers through the established overlay topology. | 2008-08-21 |
20080198851 | INFORMATION PROCESSING SYSTEM INCLUDING INFORMATION PROCESSING APPARATUS AND TERMINALS, AND INFORMATION PROCESSING METHOD FOR THE SAME - An information processing system includes an information processing apparatus configured to perform a call control; and terminals configured to communicate with the information processing apparatus. The information processing apparatus sets an SDP in an SIP message based on network connection environment data indicating existence or non-existence of a NAT (Network Address Translator) apparatus connected with each of the terminals and a type of the NAT apparatus. | 2008-08-21 |
20080198852 | ADDRESS CONVERTER FOR GATEWAYS INTERCONNECTING NETWORKS OF DIFFERENT ADDRESS FORMATS - In a gateway, a packet received from a first network contains first address data conforming to the first network in the packet header and second address data conforming to a second network in an auxiliary header. The first address data of the packet is then rewritten with the second address data of the packet and transmitted from the gateway to the second network. | 2008-08-21 |
20080198853 | APPARATUS FOR IMPLEMENTING ACTIONS BASED ON PACKET CLASSIFICATION AND LOOKUP RESULTS - A method and apparatus are provided for implementing predefined actions based upon packet classification and lookup results in a communications network processor. A plurality of sets of rules is defined. Each rule set includes at least one rule and each rule has a set of masked compares for comparing results of hits and misses of table lookups. Each masked compare set has an associated field for selecting an action. The action defines a set of one or more commands and each command defines a processing operation. One rule set is identified based upon the packet classification result for a received packet. When one of the rules is identified having a match of the masked compares, then the action of associated with the identified rule is selected. Otherwise a default action is provided responsive to no rule of the identified rule set having a match of the masked compares. | 2008-08-21 |
20080198854 | SYSTEM AND METHOD FOR LOCAL PACKET TRANSPORT SERVICES WITHIN DISTRIBUTED ROUTERS - A system and method for routing packets within a router having a plurality of loosely-coupled route processors, including a first route processor, and a line card operably coupled to the plurality of distributed-route-processors. Each route processor includes an internal forwarding information base (IFIB). Each IFIB includes information that is used to route packets addressed to elements within the router. | 2008-08-21 |
20080198855 | TRANSMISSION-RECEPTION APPARATUS - A transmission-reception apparatus does not configure ARQ control information from only sequence number, but the transmission-reception apparatus configures the ARQ control information such that the ARQ control information is comprised of one sequence number containing first occurrence of a corresponding packet's error, and bit information representing existence of retransmission requirements about sequence numbers followed on the heels of such the one sequence number. | 2008-08-21 |
20080198856 | Systems and methods for modifying network map attributes - The disclosed systems and methods provide a user interface for modifying host configuration data that has been automatically and passively determined and for adding or modifying other parameters associated with a host. A host data table can store various parameters descriptive of a host including the applicability of specific vulnerabilities. If it is determined that one or more hosts should not be identified as associated with a specific vulnerability, a graphical user interface can be used to modify the vulnerability parameter. | 2008-08-21 |
20080198857 | EPON bridge apparatus and method for forwarding thereof - The invention relates to an EPON bridge apparatus and a forwarding method thereof. In case of receiving frame from the network port or the PON port, the apparatus associates the port having the received frame inputted with source MAC address of the received frame to learn the information in an FDB table which manages port information for the learned MAC address. Then the apparatus refers to the FDB table to remove LLID from upstream frame, and then forwards the upstream frame to the network port, while attaching LLID corresponding to destination MAC address to downstream frame to transmit to the PON port. Bridging between ONUs are possible with flooding capability using anti-LLID. It provides VLAN-LLID translation mode with support for VLAN tag addition/removal at the ONU side. It also provides multicast pruning function for the downstream. | 2008-08-21 |
20080198858 | Simple Virtual Private Network For Small Local Area Networks - In one embodiment, a method includes establishing a control channel across a wide area network (WAN) from a first gateway that has a first public internetwork layer (L3) address to a second gateway that has a second public L3 address. Each gateway connects a local area network (LAN) to the WAN. Negotiations over the control channel establish a first set of private L3 addresses for the first LAN and a non-overlapping second set for the second LAN. A different address from the first set is provided for each different node in the first LAN. A discovery packet is received from the first LAN. The discovery packet is encapsulated in a tunnel packet directed to the second public L3 address. The tunnel packet is sent over the WAN to the second gateway which extracts the discovery packet. The second gateway sends the discovery packet over the second LAN. | 2008-08-21 |
20080198859 | SYSTEM FOR ADVERTISING ROUTING UPDATES - A system for advertising routing updates is disclosed. A system that incorporates teachings of the present disclosure may include, for example, a route reflector having a controller element that generates from a routing update a plurality of dissimilar routing advertisements transmitted in whole or in part to one or more provider edge routers operating in a packet-switched communication system. Other embodiments are disclosed. | 2008-08-21 |
20080198860 | Enabling routing of data on a network based on a portion of data accessed from a non-network enabled device - A system and method for enabling routing of data on a network based on a portion of data accessed from a non-network enabled device is disclosed. The technology includes a method for enabling routing of data on a network based on a portion of data accessed from a non-network enabled device. The method includes detecting a non-network enabled device locally coupled to a first computer system, the first computer system coupled to the network. The method further includes enabling routing of data through the non-network enabled device to a second computer system coupled to the network by using the first computer system as a communication interface between the non-network enabled device and the second computer system wherein the second computer system is automatically identified based on recognizing a portion of the data as a routing destination. | 2008-08-21 |
20080198861 | Method for the routing and control of packet data traffic in a communication system - The invention relates to a method, which comprising initiating the establishment of a security association between a client node and a gateway node. User data is obtained from an authentication server and the user is au-thenticated. Authorization is obtained for the user for certain network services from a separate authorization node. An authorized address is provided to the client node. The authorization is checked by the gateway node for the allowing outbound packets to specific destinations. | 2008-08-21 |
20080198862 | Methods, systems, and computer program products for using a location routing number based query and response mechanism to route calls to IP multimedia subsystem (IMS) subscribers - Methods, systems, and computer program products for using an LRN based query and response mechanism (e.g., a switching office number portability processing system) to route calls to IP multimedia subsystem (IMS) subscribers are disclosed. According to one method, an LRN based response message including a communications service subscriber identifier is received. An IMS gateway LRN associated with the communications service subscriber identifier may be determined. The IMS gateway LRN associated with the communications service subscriber identifier may be inserted into the LRN based response message and routing the message. | 2008-08-21 |
20080198863 | Bridged Cryptographic VLAN - The invention comprises three extensions of the IEEE 802.1Q VLAN bridge model. The first extension is the cryptographic separation of VLANs over trunk links. A LAN segment type referred to as an encapsulated LAN segment is introduced. All frames on such a segment are encapsulated according to an encryption and authentication code scheme. The second extension is the division of a trunk port into inbound and outbound ports. The third extension is a protocol that automatically infers for each outbound port in a bridged VLAN, a set of LAN segment types for the port that minimizes the number of transfers between encapsulated and unencapsulated segments required to transport a frame in the bridged VLAN. | 2008-08-21 |
20080198864 | GATEWAY DEVICE - A gateway device according to the present art includes a storage part that stores a list having identification information identifying another gateway device that is selectable as a move-destination gateway device; a receiving part that receives a call-out signal from a device located in a telephone network; a move-destination-gateway-device selecting part that selects a move-destination gateway device from the list; a re-direction notification generating part that generates a re-direction notification to be transmitted to the selected move-destination gateway device; a re-direction notification transmitting part that transmits the re-direction notification to the move-destination gateway device; a re-direction request signal generating part that generates a re-direction request signal including call identification information identifying the call-out signal; and a re-direction request signal transmitting part that transmits the re-direction request signal to the device located in the telephone network that transmits the call-out signal. | 2008-08-21 |
20080198865 | SYSTEM AND METHOD FOR COMMUNICATING OVER MESH NETWORKS USING WAVEFORM-ENHANCED, LINK-STATE ROUTING - A communication system includes a plurality of mobile nodes forming a mesh network. A plurality of wireless communication links connect the mobile nodes together. Each mobile node is formed as a communications device and operative for transmitting data packets wirelessly to other mobile nodes via the wireless communications link from a source mobile node through intermediate neighboring mobile nodes to a destination mobile node using a link state routing protocol and multiple waveforms | 2008-08-21 |
20080198866 | Hybrid Method and Device for Transmitting Packets - A method for transmitting packets, the method includes receiving multiple packets at multiple queues. The method is characterized by dynamically defining fixed priority queues and weighted fair queuing queues, and scheduling a transmission of packets in response to a status of the multiple queues and in response to the definition. A device for transmitting packets, the device includes multiple queues adapted to receive multiple packets. The device includes a circuit that is adapted to dynamically define fixed priority queues and weighted fair queuing queues out of the multiple queues and to schedule a transmission of packets in response to a status of the multiple queues and in response to the definition. | 2008-08-21 |
20080198867 | Hash and Route Hardware with Parallel Routing Scheme - A multiprocessor switching device substantially implemented on a single CMOS integrated circuit is described in connection with a parallel routing scheme for calculating routing information for incoming packets. Using the programmable hash and route routing scheme, a hash and route circuit can be programmed for a variety of applications, such as routing, flow-splitting or load balancing. | 2008-08-21 |
20080198868 | Method For Establishing a Global Time Base in a Time-Controlled Communications System and Communications System - A method for establishing a global time base in a time-controlled communications system comprising a network and multiple subscribers connected to it. At least one of the subscribers of the communications system is defined as a time master with which the remaining subscribers are synchronized. In order to allow for a synchronization of the communications system that is on the one hand as simple as possible and realizable at low cost and on the other hand is secure and reliable, the present invention provides for one subscriber to be defined as the main time master and at least one further subscriber to be defined as a reserve time master. The order of the reserve time masters is predefined in the event that more than one subscriber is defined as a reserve time master. First an attempt is made to synchronize all subscribers of the communications system with the main time master. If this fails, then in each case the next reserve time master in the predefined order is selected and the attempt is made to synchronize all subscribers of the communications system with the selected reserve time master until either the synchronization of the subscribers of the communications system is successful or a synchronization of the subscribers with the last reserve time master fails as well. | 2008-08-21 |
20080198869 | Enhanced polling method for preventing deadlock in a wireless communications system - A method of polling in a wireless communications system includes prohibiting polling within a predetermined period and triggering a poll function while polling is prohibited. After the predetermined period has expired the method determines that there are no protocol data units (PDUs) scheduled for transmission or re-transmission and that the poll function was triggered by a “Last PDU in Retransmission buffer” trigger, and selects a PDU to schedule for re-transmission to fulfill the poll function. | 2008-08-21 |
20080198870 | NETWORK CONNECTIONS FOR MEDIA PROCESSING DEVICES - A media processing device includes a wireless network interface to establish a wireless network connection and a wired network interface to establish a wired network connection. The wired network connection is established if a network is connected to the wired network interface and the wireless network connection is established if the network is disconnected from the wired network interface. | 2008-08-21 |
20080198871 | DYNAMIC ADJUSTMENT OF INACTIVITY TIMER THRESHOLD FOR CALL CONTROL TRANSACTIONS - In general, this disclosure is directed to establishment and release of a connection between a communication device and an access network. More specifically, the techniques of this disclosure are directed to determining when a data flow used for exchanging call control requests becomes inactive. For example, a communication device may dynamically adjust an inactivity timer threshold associated with the data flow used by applications to exchange call control messages when a new call control transaction starts or an existing call control transaction ends, e.g., by selecting a single inactivity timer threshold for the data flow to satisfy minimum connection requirements of existing call control transactions, recently ended call control transactions and the new call control transaction. The data flow is considered inactive when no applications send or receive messages via the data flow for a period of time that exceeds the adjusted inactivity timer threshold. | 2008-08-21 |
20080198872 | Ultrasonic Diagnostic Imaging System With Multiplexed Voice and Image Communication - An ultrasound system which is capable of sending images and/or reports over a data network by means of an Internet protocol has a sound card coupled to a microphone and a loudspeaker. When operator of the ultrasound system speaks into the microphone the voice is digitized by the sound card and the voice data is packaged as payloads of data packets. The packets are sent over the same data network by a protocol stack using an Internet protocol. The packets are received and returned to analog voice signals at a receiving terminal. The voice capability can reach other terminals on the network or external correspondents by means of the Internet or external networks such as public switched telephone networks. | 2008-08-21 |
20080198873 | VOICE COMMUNICATIONS SYSTEM USING SIP AND METHOD THEREOF - A voice communications system includes a first communications device and a second communications device. The first communications device uses data conforming to a predetermined protocol to perform voice communications. The second communications device uses data conforming to SIP to perform voice communications. The second communications device can convert data from conforming to SIP to the predetermined protocol and vice versa. Thus the second communications device is capable of communicating with the first communications device. | 2008-08-21 |
20080198874 | INTERWORKING DEVICE - An interworking device includes an IuCS interface unit for an IuUP protocol signal, an Mb interface unit for an RFC3267 protocol signal, and protocol conversion means for performing protocol conversion between the IuUP protocol signal and the RFC3267 protocol signal. The protocol conversion means is connected to the IuCS interface unit and the Mb interface unit. | 2008-08-21 |
20080198875 | Method and system for bidirectional bandwidth reservation in wireless communication systems - A method and system for bandwidth allocation for communicating information over one or more wireless channels by wireless stations, is provided. The channel time is divided into one or more superframes. Available channel bandwidth is allocated by reserving one or more channel time blocks (CTBs) in a superframe for communication, resulting in one or more residue CTBs among the reserved CTBs in the superframe, and allocating at least a portion of one or more residue CTBs in the superframe for bidirectional communication between two stations. | 2008-08-21 |
20080198876 | EXPLOITATION OF NULL PACKETS IN PACKETIZED DIGITAL TELEVISION SYSTEMS - A system and method for adding auxiliary data D | 2008-08-21 |
20080198877 | Electronic Device, Method for Frame Synchronization, and Mobile Device - An electronic device is provided with a plurality of functional units ( | 2008-08-21 |
20080198878 | REMOTE ENCODER SYSTEM AND METHOD FOR CAPTURING THE LIVE PRESENTATION OF VIDEO MULTIPLEXED WITH IMAGES - A system for use with a speaker providing audio and video in conjunction with images being provided by a podium computer responsive to the speaker as part of a live multimedia presentation. A device provides video signals and audio signals wherein the video signals correspond to the video provided by the speaker and the audio signals correspond to the audio provided by the speaker. A transmitter transmits a signal corresponding to a timing of images occurring simultaneously with the video and audio. A receiver receives the transmitted signal. A video channel converts the video signal into a digital video signal. An audio channel converts the audio signal into a digital audio signal. A receiver channel responsive to the receiver provides a timing signal corresponding to the transmitted signal and representing a timing of the images relative to the video and the audio. A media stream multiplexer multiplexes the digital video signal, the digital audio signal and the timing signal into an ISM (immediately stream-able media) format. | 2008-08-21 |
20080198879 | Hybrid Gain Guiding In Laser Resonators - Methods and systems for hybrid gain guiding in laser resonators that combines the features of gain guiding and fiber or other types of lasers into a single system. Hybrid gain guiding in laser resonators is not limited to conventional fiber lasers. Any type of gain guided fiber, index guided or anti-guided, is used as an intracavity element to induce loss on high order modes in an otherwise multimode laser system. The gain guided element contributes little gain to the laser oscillator but allows only the lowest order mode to transmit without loss. When the gain guiding fiber length is selected so the loss for a particular cavity mode is greater than the gain, the cavity mode does not lase. Since the gain guiding fiber induces loss for all laser modes other than the lowest order mode it makes sure that the mode one higher than the lowest order mode does not lase and as a result, no other cavity modes lase. | 2008-08-21 |
20080198880 | METHOD AND APPARATUS FOR INCREASING FIBER LASER OUTPUT POWER - A fiber laser with reduced stimulated Brillouin scattering includes a spool having a height and characterized by an induced temperature gradient with the height. The fiber laser also includes a fiber wrapped on the spool and characterized by a signal power increasing along the length of the fiber. The induced temperature gradient is a function of the signal power along the fiber. | 2008-08-21 |
20080198881 | OPTIMIZATION OF LASER BAR ORIENTATION FOR NONPOLAR AND SEMIPOLAR (Ga,Al,In,B)N DIODE LASERS - Optical gain of a nonpolar or semipolar Group-III nitride diode laser is controlled by orienting an axis of light propagation in relation to an optical polarization direction or crystallographic orientation of the diode laser. The axis of light propagation is substantially perpendicular to the mirror facets of the diode laser, and the optical polarization direction is determined by the crystallographic orientation of the diode laser. To maximize optical gain, the axis of light propagation is oriented substantially perpendicular to the optical polarization direction or crystallographic orientation. | 2008-08-21 |
20080198882 | Active cooling of crystal optics for increased laser lifetime - A laser beam is generated and transmitted within an enclosed pathway through at least one crystal optic at a power density that progressively degrades transmissivity of the crystal optic with accumulating fluence. The crystal optics are cooled below normal operating temperatures to slow the progressive degradation in the transmissivity of the crystal optics with the accumulating fluence or to accommodate a higher power density without correspondingly increasing the progressive degradation in transmissivity. | 2008-08-21 |
20080198883 | Laser Thermal Management Systems And Methods - A laser system thermal management system includes a laser gain assembly and a thermal management assembly. The laser gain assembly includes a laser gain medium and may include laser pump diodes. The thermal management system includes a high pressure gas tank connected to an open-cycle Joule-Thompson refrigerator. Cooled and partially liquefied gas is introduced into a reservoir. The reservoir may be in good direct thermal contact with the laser gain assembly or via a closed loop recirculating fluid heat exchanger. The heat generated by the laser gain assembly is removed by heat exchange with the cooled gas and condensate in the reservoir either by direct thermal contact or via the recirculating heat exchanger loop. Gas evaporating in the reservoir is vented. | 2008-08-21 |
20080198884 | Constant-current drive circuit - A voltage supplied from a power supply is boosted by a boosting circuit unit to generate a direct-current voltage, and the pulse-shape direct-current voltage is applied to LED while a constant-voltage control unit controls the direct-current voltage. The operation of LED is controlled by a control unit and a PWM unit. When the current is passed through LED, the constant-voltage control unit obtains information on the current passed through LED from a potential difference between both ends of a resistor, and on-and-off control of the voltage applied to LED from the boosting circuit unit is performed at a high frequency based on the information. Therefore, the voltage applied to LED can be controlled to keep the current passed through LED constant. | 2008-08-21 |
20080198885 | LOW CREEP METALLIZATION FOR OPTOELECTRONIC APPLICATIONS - A metallization on a semiconductor substrate is disclosed in the form of a laminate comprising a plurality of layers of a “conducting” metallization for providing electrical conductivity, interspersed with a plurality of layers of another metallization. By providing many layers the thickness of each individual layer can be reduced. Reduction in thickness of each layer leads to a reduction in grain size and a consequent reduction in creep over the lifetime of a device. | 2008-08-21 |
20080198886 | NITRIDE SEMICONDUCTOR LASER ELEMENT - The present invention provides a nitride semiconductor laser element, comprising: a nitride semiconductor structure having a first nitride semiconductor layer, a second nitride semiconductor layer, and an active layer provided between the first and second nitride semiconductor layers; a cavity end face provided to the nitride semiconductor structure; and a protective film having a hexagonal crystal structure, and having a first region provided on a first crystal surface of the nitride semiconductor structure in the cavity end face and a second region provided on a second crystal surface in the surface of at least one of the first and second nitride semiconductor layer, the first and second regions of the protective film are oriented in the same axial direction as that of the respective first and second crystal surfaces. | 2008-08-21 |
20080198887 | Semiconductor laser device and method of fabricating the same - A semiconductor laser device includes a first cavity and a second cavity formed apart from each other over a semiconductor substrate. The first cavity includes a first buffer layer and a first semiconductor layer including a first active layer, and the second cavity includes a second buffer layer and a second semiconductor layer including a second active layer. A window structure is provided in a region near an end face of each of the first semiconductor layer and the second semiconductor layer. A band gap of the first buffer layer is greater than that of the first active layer, and a band gap of the second buffer layer is greater than that of the second active layer. | 2008-08-21 |
20080198888 | Semiconductor laser apparatus and optical amplifier apparatus - A method of bonding a compound semiconductor on a silicon waveguide is used for attaining a laser above a silicon substrate. While it is essential to attain laser oscillation by injection of a current, since amorphous is formed at the bonding surface of a silicon compound semiconductor, it is difficult to directly inject the current through the silicon waveguide to the compound semiconductor. Further, even when an electrode is formed near the waveguide and the current is injected, since the current is not injected near the silicon waveguide, laser oscillation through the silicon waveguide can not be attained. The problem is solved by forming a structure of laterally injecting a current to the silicon waveguide and concentrating the current near the silicon waveguide in a compound semiconductor. Specific methods includes the following two methods, that is, a method of forming a tunneling junction structure in the compound semiconductor and another method of laterally forming a P-I-N junction to the compound semiconductor. | 2008-08-21 |
20080198889 | SEMICONDUCTOR LASER DEVICE - A semiconductor laser device has a front surface electrode formed by Au plating, a rear surface electrode formed by Au plating, an anti-adhesive film on the front surface electrode or the rear surface electrode and made of a material that does not react with Au, and a coating film that covers an end face on a light emitting side and an end face opposite the light emitting side. The anti-adhesive films may be located at least at the four corners of the front or rear surface electrode. | 2008-08-21 |
20080198890 | VERTICALLY EMITTING LASER AND METHOD OF MAKING THE SAME - Diode lasers comprise a substrate and a number of material layers disposed thereon that include a P-type material layer, and an N-type material layer. A gain layer and diffraction grating feedback layer can be also be included in the material layers. The material layers are formed by epitaxial deposition, during which process a wall surface common to the material layers is also formed. This wall surface forms an internally reflective wall surface within the material layers that is oriented to reflect a laser beam internally within the diode laser construction towards a top or bottom surface of the diode laser for emission therefrom. In an preferred embodiment, the internally reflective wall surface is oriented at a 45 degree angle, and the laser beam is reflected by the wall surface to emit the laser beam from the diode laser at a 90 degree angle relative to the top or bottom surface. | 2008-08-21 |
20080198891 | Excimer laser device operable at high repetition rate and having high band-narrowing efficiency - A narrow-band discharge excited laser device including a laser chamber having a laser gas sealed therein, a pair of electrodes provided within the laser chamber to face each other with a predetermined distance therebetween, a band-narrowing module having a magnifying prism and a grating and receiving laser light passing through a slit, and a cross-flow fan circulating the laser gas passing between the electrodes, in which a pulsed voltage is applied from a high-voltage power supply to the pair of electrodes to generate electric discharge between the electrodes, and the pair of electrodes have a width of 1 to 2 mm, a ratio between the electrode width and the inter-electrode distance (electrode with inter-electrode distance) being 0.25 to 0.125. | 2008-08-21 |
20080198892 | Laser Pointer - A laser pointer has a body, a laser generator, a retractable cord assembly and an external-power interface. The laser generator is disposed on the body, and the retractable cord assembly is mounted in the body. The retractable cord assembly has an electrical cable having a first end coupled to the laser generator and a second end capable of selectively withdraw from the body. The external-power interface is connected to the second end of the electrical cable. | 2008-08-21 |
20080198893 | Laser Assembly - A laser assembly is suitable for coupling laser light into at least one optical fiber. The laser assembly contains a plurality of laser light sources disposed spaced from a light entrance surface of the at least one optical fiber. The laser light sources are divided into at least one group of first laser light sources and at least one group of second laser light sources. An aperture is provided and is suitable for spatially confining the laser light emitted during operation of the laser light sources before being coupled into the at least one optical fiber. A coupling device is provided and is suitable for coupling the laser light during operation of the first and second laser light sources before it enters into the at least one optical fiber. | 2008-08-21 |
20080198894 | Method For Regulating the Melting Process in an Electric-Arc Furnace - In a method for regulating the melting process in an electric-arc furnace ( | 2008-08-21 |
20080198895 | SUBSTRATE TEMPERATURE MEASUREMENT BY INFRARED TRANSMISSION - A method and apparatus for measuring a substrate temperature during a thermal process are provided. In one embodiment, an apparatus for measuring a substrate temperature during a thermal process includes an evacutable chamber, a substrate heater positioned to heat a substrate disposed in the chamber, and a sensor positioned to receive energy transmitted through the substrate while the substrate is heated by the substrate heater, wherein the sensor is configured to detect a metric indicative of transmittance. In another embodiment, a method for measuring a substrate temperature includes heating a substrate disposed in a chamber, detecting a change in transmittance of the substrate while heating, and determining a temperature of the substrate based on the change in transmittance. | 2008-08-21 |
20080198896 | AIRFLOW SENSOR FOR FILTER BLOCKAGE DETECTION - A thermal management system includes an airflow sensor that measures airflow in an air path inside an enclosure to be cooled, wherein the air path includes a filter and a fan. A controller is responsive to the airflow sensor for monitoring the rate of airflow inside the enclosure and determining the condition of the filter. In one embodiment, the airflow sensor is an active type sensor, such as a thermistor, disposed on circuit boards. In further embodiments, the airflow sensor is disposed proximate a tube through the filter. | 2008-08-21 |
20080198897 | Heater with temperature detecting device, battery structure with heater, and heater unit - There are provided a heater with temperature detecting device capable of accurately detecting the temperature of a laminated sheet heater (the temperature of a heater element) by a temperature detecting device, a battery structure provided with this heater with temperature detecting device, and a heater unit. A first heater with temperature detecting device includes a first laminated sheet heater and a temperature detecting device. In this first heater, a first metal sheet includes a part protruding outward in a lamination direction of a laminated heater to provide at least part of an accommodation space in which the temperature detecting device is accommodated. | 2008-08-21 |
20080198898 | APPARATUS, SYSTEM AND METHOD FOR HIGH RESOLUTION IDENTIFICATION WITH TEMPERATURE DEPENDENT RESISTIVE DEVICE - A temperature measuring and identification (TMID) device obtains identification information and temperature information of a connected device having a temperature sensing circuit (TSC). The TSC includes a temperature sensing element (TSE) connected in parallel with a voltage clamping network (VCN) that limits the voltage across the TSE to an identification voltage within an identification voltage range when the voltage is greater than or equal to a lower voltage of the identification voltage range. When a voltage below the lower range is applied to the TSC, the VCN appears as an open circuit and the resistance of the TSC corresponds to temperature. A translation circuit within the TMID shifts TSC voltages within the identification voltage range to a normalization voltage range. Accordingly, voltages corresponding to temperature as well as voltages corresponding to identification are within the normalization voltage range. As a result, the resolution of a voltage sensing device used for measuring the temperature and identification voltages is maximized. In addition, the translation circuit maintains a minimal current during a rest state. For cost or other concerns, a first TSC may omit the VCN to provide a maximum identification voltage and other TSCs may include VCNs with lower identification voltage ranges. | 2008-08-21 |
20080198899 | Temperature detection circuit - Provided is a temperature detection circuit in which an erroneous operation which may be caused at the time of activation of a power supply can be prevented. While an output voltage of a temperature sensor circuit ( | 2008-08-21 |
20080198900 | Temperature measurement system - The invention provides a temperature measurement system including a temperature sensor and means for biasing the temperature sensor in the direction of a thermal energy source in response to receiving thermal energy from the source. The invention also provides a continuous casting system including at least one temperature sensor disposed in the secondary cooling region and means for biasing the temperature sensor in the direction of the strand of metal in response to receiving thermal energy from the strand of metal. | 2008-08-21 |
20080198901 | System For a Fast Frequency Hopping Radio - The invention discloses a system ( | 2008-08-21 |
20080198902 | HOPPING STRUCTURE FOR CONTROL CHANNELS - Systems and methodologies are described that facilitate transmitting and receiving control data according to hopping patterns where the hopping patterns are defined based in part on bandwidth capabilities of a device transmitting the control data and bandwidth of the network on which the data is being transmitted. In this regard, devices having lower bandwidth capabilities than the network can hop within given frequency blocks reserved for control data assuming the blocks are no greater than the bandwidth of the device. Devices having greater or substantially equal bandwidth capabilities as the network can hop across disparate frequency blocks of the network reserved for control data as the device can handle substantially any hop in frequency. This preserves frequency diversity for control channels in multiple device types regardless of device bandwidth capabilities. | 2008-08-21 |
20080198903 | Frequency switcher, RFID system and distance measuring apparatus incorporating the Frequency switcher - A modulator is operable to modulate a carrier wave with quadrature signals including a Sin signal and a Cos signal which serve as an I signal and a Q signal. A frequency controller is operable to control frequencies of the quadrature signals to switch a transmission frequency of the carrier wave. A transmitter is operable to transmit the modulated carrier wave with the switched transmission frequency. | 2008-08-21 |
20080198904 | Multi-Channel Galvanic Isolator Utilizing a Single Transmission Channel - A galvanic isolator having a transmitting section and a receiving section is disclosed. The transmitting section includes a frame input circuit, a data encoder, and a data transmitter. The frame input circuit receives an input data frame that includes a plurality of input binary bits. The data encoder encodes the input binary bits to generate an encoded data frame that includes a sequence of encoded binary bits in which two successive encoded binary bits represent each input binary bit. The successive encoded binary bits representing a 1 are 01 or 10, and the successive encoded binary bits representing a 0 are 00 or 11. The sequences are chosen to maximize the number of transitions in the encoded data frame. A data receiver recovers the encoded data frame by examining successive pairs of encoded data bits using a clock that is reset on the edges in the encoded data frame. | 2008-08-21 |
20080198905 | Method and Apparatus for Despread Data in Wireless Communication System - The present invention provides a method for despreading spread signal used in a receiver of a wireless communication system, comprising the steps of: preprocessing spread signal to derive a group of spreading chips corresponding to a data symbol; processing Hie spreading chips to extract cophase components and orthogonal components of each of the spreading chips; and converting and combining the group of cophase components and orthogonal components according to a preset selecting signal to derive a group of despreading chips. The present invention further provides an apparatus for carrying out the above-mentioned method, which significantly simplifies the design of a dispreading circuit and reduces the area of the dispreading circuit | 2008-08-21 |
20080198906 | APPARATUS AND METHOD FOR INCREASING CELL CAPACITY THROUGH OPTIONAL SIGNAL COMBINING BETWEEN RELAY STATIONS IN A CELLULAR SYSTEM USING WIRED RELAY STATIONS - A method, apparatus and system for increasing cell capacity through optional signal combining between Relay Stations (RSs) in a cellular system using wired RSs is disclosed. The method includes receiving, by a Base Station (BS), an average Carrier-to-Interference ratio (C/I) value of transmission signals from Mobile Stations (MSs) located inside each coverage area, being fed back from the RSs or the MSs in its corresponding cell; classifying the MSs into two groups according to the C/I value; performing resource allocation satisfying a minimum data rate from a corresponding RS, for MSs belonging to a group having a C/I value greater than a preset threshold Γ among the classified groups; performing resource allocation by applying an optional signal combining scheme taking into account two RSs having a highest C/I value, for MSs belonging to a group having a C/I value below the threshold among the classified groups; and allocating all unallocated subchannels of each individual RS in an order of an MS having a high C/I value among MSs of a corresponding RS until there is no more unallocated subchannel of each RS. | 2008-08-21 |
20080198907 | Circuit For A Communication Device And Method Of Controlling A Transmission - A circuit ( | 2008-08-21 |
20080198908 | Transceiver - To provide a transceiver ( | 2008-08-21 |
20080198909 | Efficient multiple input multiple output signal processing method and apparatus - A multi-channel communication transceiver configured to communicate over multiple channels, such as multiple twisted pair conductors, and implement MIMO processing is disclosed. The MIMO processing occurs in a separate MIMO co-processor, which may be a DSP type processor executing machine readable code or a dedicated MIMO filter. The MIMO co-processor may be located on a separate integrated circuit and interface with the transceiver via one or more data paths and one or more control data paths. Control data is exchanged to facilitate processing of the data in the MIMO filter. A slicer output or an error term, may be forwarded to the MIMO co-processor or generated within the co-processor. | 2008-08-21 |
20080198910 | Noise Estimation In Wireless Communication Systems - The invention relates to background noise estimation in wireless communication systems with power control. The total received interference is measured at a receiving unit. Thereafter, a predetermined noise signal is injected at the receiving unit and the total received interference is measured again, preferably when the power control of the system has responded to the noise injection. The background noise is calculated based on the injected predetermined noise signal and the interference measurements before and after the noise injection. | 2008-08-21 |
20080198911 | Equalizer for Single Carrier FDMA Receiver - A method of equalizing a received signal compensates for frequency selectivity of the communication channel taking into account channel estimation errors. The method comprises generating channel estimates for the received signal, computing filter weights for an equalizer based on said channel estimates and a covariance of the channel estimation error, and filtering the received signal using the computed filter weights. | 2008-08-21 |
20080198912 | Equalizing Filter Circuit - In an equalizing filter circuit having an input terminal | 2008-08-21 |
20080198913 | Equalizer - Methods and apparatus to provide an equalizer for analog adaptive control are disclosed. An example equalizer described herein includes a high frequency amplifier to receive an input signal and to amplify a high frequency portion of the input signal, a low frequency amplifier to receive the input signal and to amplify a low frequency portion of the input signal, and a weight factor controller to control a gain of the high frequency amplifier and a gain of the low frequency amplifier. | 2008-08-21 |
20080198914 | Architecture for Systolic Nonlinear Filter Processors - Described are nonlinear filter processors having an array of polynomial nonlinear filters including a first polynomial nonlinear filter and a last polynomial nonlinear filter. The first polynomial nonlinear filter has an input terminal for receiving an input data sample. The polynomial nonlinear filters systolically pass the input data sample from the first polynomial nonlinear filter to the last polynomial nonlinear filter. Each polynomial nonlinear filter produces an output data sample based on the input data sample. In addition, each polynomial nonlinear filter other than the last polynomial nonlinear filter systolically passes the output data sample generated by that polynomial nonlinear filter to a neighboring polynomial nonlinear filter. Each polynomial nonlinear filter other than the first polynomial nonlinear filter sums a nonlinearly filtered input data sample produced by that polynomial nonlinear filter with the output data sample received from a neighboring polynomial nonlinear filter. | 2008-08-21 |
20080198915 | SYSTEM AND METHOD OF EQUALIZATION OF HIGH SPEED SIGNALS - In one aspect, the present invention is directed to a technique of, and system for enhancing the performance of high-speed digital communications through a communications channel, for example a backplane. In this aspect of the present invention, a transmitter includes equalization circuitry to compensate for bandwidth limitations and reflections in high-speed digital communication systems. In one embodiment, the equalization circuitry is designed, programmed and/or configured to introduce intersymbol interference in order to improve the signal integrity in high-speed communications and enhance the operation and performance of such systems. In this regard, the equalization circuitry includes temporally overlapping leading and/or trailing taps (relative to the data (symbol) signal) to reduce, minimize, mitigate or effectively eliminate pre-cursor and/or post-cursor intersymbol interference due to, for example, bandwidth limitations and reflections in high-speed digital communication systems. The amount of equalization may be programmed, adjusted or controlled by varying the positioning of the tap(s), varying the coefficients of the tap(s), and/or varying the pulse durations of the tap(s) (that is, the pulse duration of the equalization signal attributed to the tap). | 2008-08-21 |
20080198916 | Low power decision feedback equalization (DFE) through applying DFE data to input data in a data latch - Low power decision feedback equalization (DFE) through applying DFE data to input data in a data latch is disclosed. In one embodiment, a decision feedback equalization (DFE) system to remove a post cursor intersymbol interference (ISI) through feeding back previous data scaled with adaptive weights to the DFE system, with each slice of the DFE system may include a first set of decision feedback digital to analog converters (DACs) to generate a first DFE data obtained through the feeding back the previous data scaled with the adaptive weights and a first data latch to generate an output data of the each slice through applying the first DFE data to an input data of the each slice in the first data latch to remove a first delay caused by performing the applying the first DFE data to the input data of the each slice outside of the first data latch. | 2008-08-21 |
20080198917 | PULSE-BASED COMMUNICATION FOR DEVICES CONNECTED TO A BUS - A method for communicating data is disclosed. The method includes receiving a sequence of electrical pulses during an interval having a pre-determined time period, the sequence of electrical pulses representing a message from one of a plurality of devices, determining the number of received electrical pulses in the sequence of electrical pulses, and decoding the message based on the determined number of electrical pulses received during the interval. | 2008-08-21 |
20080198918 | Compression and Decompression Using Corrections of Predicted Values - A decompression process is used that forms a decompressed data value by adding a correction value to a signal value prediction. During compression the required correction value is computed. The correction value is encoded in two parts, such as an absolute value and a sign. It is tested whether more than one valid possible decompressed data value can be obtained by adding the signal value prediction to all of a plurality of different possible correction values that are consistent with a first part. A second part of the correction information is included in the compressed data, for selecting among the more than one possible decompressed data values, conditional on a result of said testing. The second part is omitted in cases where there is no more than one valid possible decompressed data value. During decompression the prediction is determined and it is tested whether the second part is needed or not to determine an unambiguous signal value. The second part is read from the compressed data when it is needed to select an unambiguous signal value. | 2008-08-21 |
20080198919 | METHOD FOR DETERMINING THE LIKELIHOOD OF A MATCH BETWEEN SOURCE DATA AND REFERENCE DATA - A method for reducing data in the form of successive groups of N values may comprise finding the largest X values of the N values of each group, setting all but the largest X values of each group equal to zero, averaging W respective ones of the N values to produce N average values, finding the largest Y of the N average values, where Y is less than X, and setting the largest Y of the N average values equal to a first binary value, and a reminder of the N average values equal to a second binary value. | 2008-08-21 |
20080198920 | 3D VIDEO ENCODING - A stereo 3D video frame includes left and right components that are combined to produce a stereo image. For a given amount of distortion, the left and right components may have different impacts on perceptual visual quality of the stereo image due to asymmetry in the distortion response of the human eye. A 3D video encoder adjusts an allocation of coding bits between left and right components of the 3D video based on a frame-level bit budget and a weighting between the left and right components. The video encoder may generate the bit allocation in the rho (ρ) domain. The weighted bit allocation may be derived based on a quality metric that indicates overall quality produced by the left and right components. The weighted bit allocation compensates for the asymmetric distortion response to reduce overall perceptual distortion in the stereo image and thereby enhance or maintain visual quality. | 2008-08-21 |
20080198921 | METHOD AND APPARATUS FOR REPRODUCING DIGITAL BROADCASTING - Provided are a method and apparatus for reproducing digital broadcasting. The method includes parsing an input video stream to extract a presentation time stamp (PTS) and a compressed frame and decoding the extracted compressed frame to generate frames sequentially. If a PTS corresponding to a current frame does not exist, a virtual PTS is generated based on the extracted PTS The extracted PTS or the virtual PTS is compared with a system time clock (STC) in synchronization with a vertical synchronization signal and an output time of a display frame is determined. | 2008-08-21 |
20080198922 | Systems and Methods For Video Quality Measurement Using Auxiliary Information of Codec - A system for evaluating video quality using auxiliary information of a codec includes a video transmitter that includes a source video input unit for inputting source video, an encoding unit for encoding the input source video, a decoding unit for decoding encoded video data, and a video quality evaluation unit for evaluating video quality using the decoded video data. The encoding unit transmits auxiliary information required for video quality evaluation, among information acquired in an encoding procedure, to the video quality evaluation unit. The video quality evaluation unit evaluates video quality using the decoded video data received from the decoding unit, and the auxiliary information received from the encoding unit. | 2008-08-21 |
20080198923 | CONTENT SIGNAL MODULATION AND DECODING - Methods and systems for content signal encoding and decoding are described. A message to be encoded into a content signal may be accessed. The content signal may include a plurality of frames. One or more symbols to be encoded for the message may be derived in accordance with a message translator. A particular symbol of the one or more symbols may be embedded into at least one frame of the plurality of frames by altering a total pixel variable value of the at least one frame. | 2008-08-21 |
20080198924 | METHOD OF COMPUTING DISPARITY, METHOD OF SYNTHESIZING INTERPOLATION VIEW, METHOD OF ENCODING AND DECODING MULTI-VIEW VIDEO USING THE SAME, AND ENCODER AND DECODER USING THE SAME - The invention relates to a method of computing a disparity, a method of synthesizing an interpolation view, a method of encoding and decoding multi-view video using the same, and an encoder and a decoder using the same. In particular, the invention relates to a method of computing a disparity, a method of synthesizing an interpolation view, a method of encoding and decoding multi-view video using the same, and an encoder and a decoder using the same, which can rapidly compute an initial disparity of a block using region segmentation, accurately compute a disparity of the block using a variable block, and synthesize an interpolation view on the basis of a disparity value computed in a pixel basis using an adaptive search range, thereby improving quality of the interpolation view, and also can encode and decode a multi-view video independently from an existing prediction mode while using the interpolation view as a reference picture, thereby improving coding efficiency. | 2008-08-21 |
20080198925 | HOME-VIDEO DIGITAL-MASTER PACKAGE - A method for determining digital video data includes receiving digital data comprising a plurality of digital images, wherein each digital image is encoded in a first color space, determining a plurality of color-graded digital images in response to the plurality of digital images and in response to color grading input data, wherein each color-graded digital image is encoded in a second color space, and wherein the second color space is associated with HD video, encoding each color-graded image with a compression encoding substantially independent of integer pixel translation of the plurality of color-graded digital images to form encoded image data package, storing the encoded image data package in a tangible media, and determining the digital video data for a video display device in a remote server in response to the encoded image data package. | 2008-08-21 |
20080198926 | Bitrate reduction method by requantization - The method is characterized in that: | 2008-08-21 |
20080198927 | Weighted prediction video encoding - A method of encoding a source picture using at least two reference pictures by dividing the source picture into regions based on a predetermined criterion and dividing the reference pictures into corresponding regions using the predetermined criterion. At least luminance values for the source picture are obtained by weighting and offsetting luminance values of at least one of the regions of at least one of the reference pictures by an average luminance difference between the region of the reference picture and the corresponding region of the source picture. The weighted and offset luminance values from the at least two reference pictures are averaged or summed to predict luminance values of the source picture. | 2008-08-21 |
20080198928 | INFORMATION PROCESSING APPARATUS AND INTER-PREDICTION MODE DETERMINING METHOD - According to one embodiment, an information processing apparatus includes an inter-prediction unit which generates a prediction signal, a transformation unit which orthogonal transform a prediction residual signal between the prediction signal and a picture signal of the macro block, and an inter-prediction mode determining unit which determines a combination of an inter-prediction mode used by the inter-prediction unit and DCT used by the transformation unit for each macro block. The inter-prediction mode determining unit includes a first selection unit which selects a preset number of inter-prediction modes from plural types of inter-prediction mode with a specified type of DCT, and a second selection unit which selects a combination of one inter-prediction mode and one DCT from the preset number of inter-prediction modes selected by the first selection unit and the plural types of DCT. | 2008-08-21 |
20080198929 | Encoding Processing Apparatus and Method for a Moving Image - A video encoder interframe-encodes a moving image captured by a camera and generates a video code stream. An I frame send request manager receives from a receiver of the video code stream a request signal for requesting to send an I frame that has not been interframe-encoded, when any frame of the moving image is not properly received at the receiver. Then the request manager determines whether or not to accept the received request signal. When the request manager determines to accept the request signal, the request manager supplies an I frame setting signal to the video encoder. Upon receiving the I frame setting signal, the video encoder sets the type of a next frame to be encoded to an I frame and then interframe-encodes the moving image. | 2008-08-21 |
20080198930 | Image information transmission system, image information transmitting apparatus, image information receiving apparatus, image information transmission method, image information transmitting method, and image information receiving method - An image information transmission system may include an image information transmitting apparatus, and an image information receiving apparatus. The image information transmitting apparatus may obtain primary-image transmission data, which is subjected to predetermined compression-coding including bidirectionally predictive coding, for transmitting a moving image representing a primary image, and may generate secondary-image transmission data for transmitting a secondary image to be displayed together with the primary image on a display screen. The primary-image transmission data and the secondary-image transmission data may be transmitted to the image information receiving apparatus via a predetermined network communication link. Upon receipt of the primary-image transmission data and secondary-image transmission data, the image information receiving apparatus may decode the primary-image transmission data using a decoding scheme corresponding to the coding process, and may decode the secondary-image transmission data to generate a secondary-image video signal. The primary-image video signal and the secondary-image video signal may be combined to display an image. | 2008-08-21 |
20080198931 | System and method for introducing virtual zero motion vector candidates in areas of a video sequence involving overlays - Systems and methods for efficiently encoding and/or reformatting video data including transparent overlay portions are disclosed. In one embodiment, the method includes using two prediction regions for predicting the portion of the video including the transparent overlay. In one embodiment, a first of the two prediction regions is determined based on motion compensated prediction in reference to another video frame and a second of the two prediction regions is a collocated portion of video in another frame as referenced by a virtual zero motion vector. A mixing weight factor to be used for combining the two predictions is determined. In one embodiment, the mixing weight factor is determined based on the relative values of two error metrics, a first error metric related to the motion compensated prediction and a second error metric related to the collocated prediction of the virtual zero motion vector. | 2008-08-21 |
20080198932 | Complexity-based rate control using adaptive prefilter - In an image capture device, a filter in a processing stage prior to an MPEG encoder applies unsharp masking and spatial filtering. MPEG encoder hardware that is used to determine SAD values also determines a complexity value. The complexity value indicates a complexity of a macroblock or a frame. The processor uses the complexity value to determine an appropriate transfer function of the spatial filter. The spatial filter smoothes information supplied to the MPEG encoder such that the MPEG encoder can apply less severe quantization, thereby reducing apparent block noise when the resulting MPEG video is later decoded and viewed on a display device. | 2008-08-21 |
20080198933 | ADAPTIVE TRUNCATION OF TRANSFORM COEFFICIENT DATA IN A TRANSFORM-BASED DITIGAL MEDIA CODEC - A block transform-based digital media codec has a signaling scheme and bitstream syntax to flexibly signal that truncation of less significant information bits of transform coefficients coded as an optional layer of the bitstream has been performed adaptively per region or tile of the image. | 2008-08-21 |
20080198934 | Motion refinement engine for use in video encoding in accordance with a plurality of sub-pixel resolutions and methods for use therewith - A motion compensation module can be used in a video encoder for encoding a video input signal that includes a sequence of images that are segmented into a plurality of macroblocks. The motion compensation module includes a motion search module, that generates a motion search motion vector for a plurality of subblocks for a plurality of partitionings of a macroblock of a plurality of macroblocks. A motion refinement module generates a refined motion vector for the plurality of subblocks for the plurality of partitionings of the macroblock of the plurality of macroblocks, based on the motion search motion vector for each of the plurality of subblocks of the macroblock of the plurality of macroblocks. The motion refinement module can operate in a plurality of selected modes including a first mode corresponding to a first sub-pixel resolution and a second mode corresponding to a second sub-pixel resolution. | 2008-08-21 |
20080198935 | COMPUTATIONAL COMPLEXITY AND PRECISION CONTROL IN TRANSFORM-BASED DIGITAL MEDIA CODEC - A digital media encoder/decoder includes signaling of various modes relating to computation complexity and precision at decoding. The encoder may send a syntax element indicating arithmetic precision (e.g., using 16 or 32-bit operations) of the transform operations performed at decoding. The encoder also may signal whether to apply scaling at the decoder output, which permits a wider dynamic range of intermediate data at decoding, but adds to computational complexity due to the scaling operation. | 2008-08-21 |
20080198936 | SIGNALING AND USE OF CHROMA SAMPLE POSITIONING INFORMATION - Rules for the signaling and interpretation of chroma position are described. One rule, called the short rule, defines fifteen discrete chroma centering positions and corresponding four-bit syntax element. Another rule, called the extended rule, defines 81 discrete chroma centering positions and corresponding seven-bit syntax elements. A described method includes receiving digital media data at a digital media encoder, determining chroma position information for the received digital media data, and representing the chroma position information with one or more syntax elements in an encoded bitstream. The one or more syntax elements are operable to communicate the chroma position information to a digital media decoder. The chroma position information facilitates an image rotation or flip. | 2008-08-21 |
20080198937 | Video Processing Data Provisioning - A method and system for performing response-time compensation on video pixel data includes an output coupled to a timing controller for, the timing controller providing response time pixel data to a video display screen or panel. The system including a video signal processing module to determine pixel data indicative of how to excite respective video pixels in a video frame. The system including an interface for outputting substantially concurrently, the current-frame pixel data relating to a pixel at a particular location in the current video frame and prior-frame pixel data relating to the pixel at the particular location in the prior video frame relative to the current video frame. The current-frame pixel data and the prior-frame pixel data can be interlaced in the output signal. The prior-frame pixel data can be compressed in the output signal. The output can include multiple channels and the current-frame pixel data and the prior-frame pixel data can be output over separate channels. | 2008-08-21 |
20080198938 | Method and apparatus for switching data in communication system - A method and apparatus for switching data in communication system which comprises of mainly a conversion circuit to receive the source data possessing in a real coding dimension and covert it to converted the data possessing in a tolerable coding dimension; the judgment bits are set in the converted data to designate the data as source data or not. Later on, shifter circuit is used to shift the converted data in certain amount and generates a shifted data; meanwhile, the right side and left side of shifted data are used to start acquiring the real coding dimension to be used respectively as a first data and a second data. Finally, a comparison and selection circuit is used to compare the corresponding judgment bits in the first and the second data and to output an output data, wherein output data is source data with the above-mentioned amount of shift. | 2008-08-21 |
20080198939 | Transmitter circuit and radio transmission apparatus for transmitting data via radio by using impulses - A transmitter circuit, which transmits data by using an impulse, has a variable delay circuit and a logic circuit. The variable delay circuit takes a clock as an input, and delays the clock in accordance with the data. The logic circuit takes the clock and an output of the variable delay circuit as inputs, and outputs an impulse by performing a logic operation between the clock and the output of the variable delay circuit. | 2008-08-21 |