Patent application number | Description | Published |
20090046615 | Network system, network apparatus and transfer apparatus - In order to maintain the reliability of telecommunication by means of the multicast wireless communication when IP multicast is used in the IP broadcast service, the network system includes a transfer apparatus for transferring multicast packets and transfer request packets and a network apparatus for receiving transfer request packets and for transferring the multicast packets to be distributed. The transfer apparatus transmits transfer requests together with transfer request packets when it transmits multicast packets to the receiver requiring unicast communication, and the network apparatus receives multicast packets, sets the destination MAC address of the multicast packet as the unicast MAC address of the receiver in response to the conversion request from the transfer apparatus and transfers multicast packets. | 02-19-2009 |
20090165115 | Service providing system, gateway, and server - A large-scale content delivery system may be achieved, which may send a large amount of contents without intensive management of the contents in the server. In a service providing system where a client, a service gateway, and a server are connected to each other through a network, the client sends a first message to the server by way of the service gateway. The service gateway inquires a processing method of the first message from the client of the server by using a second message that includes a part of the first message content. The server replies to the inquiry of the processing method from the service gateway with a program that describes the processing method, and the service gateway processes the first message from the client on the basis of the received processing method. | 06-25-2009 |
20100033576 | DATA DELIVERY DEVICE - A data delivery device that switches picture data to be delivered so that pictures different in quality can be efficiently grasped without missing information of a high importance level is provided. The data delivery device receives picture data from multiple cameras through a network using a picture reception program. It determines whether or not to display each image frame of the picture data by accumulating the frequency of viewpoint switching or the importance level information of an image from each viewpoint by a picture selection program. In addition, it delivers a selected image frame through an interface by a picture transmission program. The display time for each frame is varied according to the importance level information of the image to enhance the viewability of an important frame. | 02-11-2010 |
20100067910 | PON SYSTEM AND OPTICAL NETWORK UNIT - Provided is an ONU that suppresses transmission of a useless multicast control message to a PON section and enables a communication bandwidth of the PON section to be effectively used. The ONU of the PON system has a multicast group management table that shows a correspondence between a multicast group identifier and an address of a user terminal participating in a multicast group. When the ONU receives a request message of participation in the multicast group from the user terminal, the ONU registers the correspondence between the multicast group identifier indicated by the received message and the user terminal address. A new received message is deleted without being sent to the OLT if another user terminal address is registered already, along with a correspondence with the same multicast group identifier, in the multicast group management table. | 03-18-2010 |
20100150554 | Passive optical network (PON) system - A PON system capable of utilizing the bandwidth of an optical transmission channel in the PON section. In a PON system including an OLT and a plurality of ONUs, the OLT has: a downstream frame processing unit that removes at least part of the header information in a layer 2 header from a downstream frame received from a wide area network, and converts the remaining frame portion into a frame having a header specific to the PON section; and a downstream frame processing unit that extracts a downstream frame portion to be transferred to a user terminal, from a received frame from a PON, and adds the layer 2 header information deleted in the OLT. | 06-17-2010 |
Patent application number | Description | Published |
20100135386 | IMAGE PROCESSING APPARATUS AND METHOD - To predict a target code amount from a code amount calculated on a single quantizer scale. The present invention stores relationship information on a plurality of pieces of quantized data for prediction having different MB generated code amounts on a fixed quantizer scale (QI) as prediction curves, the relationship information indicating a relationship between a plurality of quantizer scales (Q) representing a plurality of quantizer steps and MB generated code amounts. The present invention quantizes image data on a macroblock-by-macroblock basis on the single fixed quantizer scale (QI) out of the predetermined plurality of quantizer scales (Q), thereby generating temporary quantized data, and calculates the MB generated code amount of each macroblock unit of this temporary quantized data. The present invention then selects a piece of quantized data for prediction from the plurality of prediction curves based on the MB generated code amount of the temporary quantized data and the fixed quantizer scale (QI), and predicts the MB generated code amounts for situations when the image data is quantized on quantizer scales (Q) not selected by a quantization selection section, based on the selected piece of quantized data for prediction. | 06-03-2010 |
20140185607 | COMMUNICATION SYSTEM, COMMUNICATION PATH ESTABLISHING METHOD AND MANAGEMENT SERVER - In interworking systems that utilize IP/MPLS protocol processing to operate a centralized control server within a MPLS-TP network as a pseudo-router unit; a system improves the utilization rate of the MPLS-TP network by establishing default paths beforehand as a precondition to coupling between MPLS-TP network edge devices and mapping a plurality of IP/MPLS paths between the same edge devices to the common default paths when mapping to provide IP/MPLS network connectivity. | 07-03-2014 |
20140254600 | TRANSMISSION SYSTEM, TRANSMISSION APPARATUS, AND TRANSMISSION METHOD - A transport system comprises a transport apparatus, which is used to construct a transport network using MPLS-TP; and a control apparatus for establishing a path in the transport network. The transport apparatus is coupled to a transfer apparatus, which is used to construct a transfer network using a network protocol different from an MPLS-TP protocol and uses the network protocol to establish a path in the transfer network in an autonomous distributed manner. The control apparatus and the transfer apparatus use the network protocol of the transfer network to transmit/receive, via the transport apparatus, control messages for controlling the transfer network. The transport apparatus avoids notifying the transfer apparatus of the fact that the control apparatus is not in a normal state, in a case where the path established in the transport network is determined as the normal state, even the control apparatus is determined as the abnormal state. | 09-11-2014 |
20150026333 | NETWORK SYSTEM, NETWORK MANAGEMENT APPARATUS AND APPLICATION MANAGEMENT APPARATUS - A network management apparatus is configured to: receive transmitted information acquisition request; generate, based on topology storage area, an application edge device list indicating at least one edge network device through which the traffic for providing an application indicated by the information acquisition request passes; identify a route through which the traffic for providing the application indicated by the information acquisition request passes, based on the generated application edge device list and the provision source of the application indicated by the information acquisition request; acquire quality information on the identified route; and transmit the acquired quality information to the application management apparatus. | 01-22-2015 |
20150146525 | TRANSFER APPARATUS, SERVER, AND ROUTE CHANGING METHOD - A transfer apparatus is configured to: calculate a total cost of a first route in a first network that starts from a source transfer apparatus and ends at a destination transfer apparatus; obtain a particular cost being a cost between the source transfer apparatus and a first line, which couples the source transfer apparatus and its own transfer apparatus, in a second route, which starts from the source transfer apparatus and reaches the destination transfer apparatus via its own transfer apparatus; calculate a differential between the total cost and the particular cost; set, based on the differential, a cost between its own transfer apparatus and a second line, which couples its own transfer apparatus and the destination transfer apparatus, to a value that causes the source transfer apparatus to select the second route rather than the first route; and notify the cost value to the source transfer apparatus. | 05-28-2015 |
20150372899 | COMMUNICATION SYSTEM AND NETWORK CONTROL DEVICE - A communication system is capable of re-examining an allocated communication path and a reserved communication path and implementing a rapid service provision in which a resource utilization efficiency is high without an interruption of service or an abrupt deterioration of quality when a reserved communication path is created in advance, and a reserved communication path is allocated according to an allocation request of a user. A communication path with quality assurance of data communication is implemented in a communication network with a communication path calculation device having a communication path managing unit and communication path calculating unit. The communication path managing unit manages reserved communication paths with quality assurance constructed based on a quality assurance communication path construction request of a communication system administrator and a use communication path allocated from among the reserved communication paths according to the quality assurance communication path allocation request of the communication network user. | 12-24-2015 |
Patent application number | Description | Published |
20090213169 | INK JET RECORDING HEAD AND METHOD FOR MANUFACTURING INK JET RECORDING HEAD - A manufacturing method for an ink jet recording head comprising the steps of preparing a recording element substrate provided with an ejection outlet array for ejecting ink; preparing a supporting member, provided with a plurality of ink supply passages, for supporting the recording element substrate; and connecting the recording element substrate to the supporting member with an adhesive material; wherein the supporting member has an adhesive material application region surrounding adjacent ones of the ink supply passage, and a part of the adhesive material application region which extends along the ejection outlet array has a width larger than another part of the adhesive material application region. | 08-27-2009 |
20110209335 | METHOD FOR MANUFACTURING INK JET CARTRIDGE - A predetermined amount of an ink absorber, which is a fiber assembly in which intersections between fibers are not fused together, is charged into a compression and insertion apparatus. A rectangular parallelepiped-shaped insertion block is moved to an upper surface portion of the absorber, and one face of the ink absorber is pushed by a side plate. As such, a part excluding the part of the ink absorber which faces the side plate is compressed and surrounded. In this state, the ink absorber is compressed by the side plate. The ink absorber is inserted into a tank case by making a bottom plate slide, thereby opening the bottom face of the ink absorber and by moving down the insertion block. | 09-01-2011 |
20110211028 | INK JET CARTRIDGE AND MANUFACTURING METHOD OF INK JET CARTRIDGE - The ink jet cartridge includes a tank case that has a space having a opening, a lid that closes the opening, an ink accommodating section that is formed with the space of the tank case and the lid, and an ink absorber that is accommodated in the ink accommodating section. Also, an atmosphere communication port that passes through the lid and a projection section that projects to the space of the tank case are provided in the lid. The ink absorber consists of a fiber aggregate, and a welding section in which the fibers are combined to each other and an unwelded section in which the fibers are not combined to each other are provided on a surface that faces the lid. | 09-01-2011 |
20120113198 | LIQUID EJECTION HEAD AND METHOD OF MANUFACTURING THE SAME - A liquid ejection head is provided which includes: an ejection element substrate having an energy generating element, an ejection orifice for ejecting a liquid, and a liquid supply port communicatively connected to the ejection orifice; and a support member supporting the ejection element substrate and having a liquid guide path for supplying the liquid to the liquid supply port. The support member is formed by baking a laminate including at least one guide path plate having a through-hole for constituting a part of the liquid guide path, a filter plate having an opening for disposing a filter member for filtering the liquid, and a filter member disposed in the opening. | 05-10-2012 |
20120293588 | FLOW PASSAGE ASSEMBLY AND METHOD FOR MANUFACTURING FLOW PASSAGE ASSEMBLY, INKJET RECORDING HEAD, AND RECORDING APPARATUS - A method for manufacturing a flow passage assembly includes forming a first flow passage in a first joint interface formed by welding a first surface of a first flow passage forming member to a first surface of a second flow passage forming member using an ultrasonic welding process, and forming, after the first flow passage is formed, a second flow passage in a second joint interface formed by welding a first surface of a third flow passage forming member to one of a second surface of the first flow passage forming member and a second surface of the second flow passage forming member using an ultrasonic welding process. A total area of weld portions used when the first flow passage is formed is greater than a total area of weld portions used when the second flow passage is formed. | 11-22-2012 |
20130063523 | LIQUID RECORDING HEAD AND METHOD OF MANUFACTURING THE SAME - Provided is a liquid recording head in which a protective layer having resistance to liquid and an adhesiveness improving film are disposed on a second surface opposite to a first surface of a silicon substrate. The first surface and the second surface have a plane direction. The protective layer is disposed in a peripheral region of an opening of a liquid supply port. A liquid ejection chip is bonded to a head substrate with an adhesive so that the liquid supply port communicates to a liquid introduction port on a side of the second surface of the silicon substrate. | 03-14-2013 |
20140216630 | METHOD OF MANUFACTURING LIQUID DISCHARGE HEAD - A method of manufacturing a liquid discharge head in which a device substrate having an energy generating element and a supply port and a supporting member having a supply passage are bonded with each other an adhesive agent includes:
| 08-07-2014 |
20140218445 | METHOD OF MANUFACTURING LIQUID EJECTION HEAD, AND LIQUID EJECTION HEAD - There is provided a method of manufacturing a liquid ejection head that includes a supporting member having a major surface provided with a plurality of supply paths, and a recording element substrate having a bonding surface bonded to the major surface and provided with a plurality of supply ports arranged side by side in an arranging direction in which the supply paths are arranged side by side, the supply ports having smaller widths than the respective supply paths in the arranging direction. The method includes applying a bonding agent on the major surface around each of the supply paths, spreading the bonding agent to inner side surfaces of the supply ports by pressing boundary portions between the bonding surface and the supply ports into the bonding agent applied, and bonding the bonding surface to the major surface at a bonding position where the supply ports face the respective supply paths. | 08-07-2014 |
20140300667 | LIQUID DISCHARGE HEAD AND METHOD FOR MANUFACTURING THE SAME - A liquid discharge head includes a recording element substrate comprising a semiconductor substrate having an energy generating element configured to generate energy for discharging liquid, on a first surface, a flow path forming member disposed on the first surface, and in which a discharge port configured to discharge the liquid and a liquid flow path in communication with the discharge port are formed, and a connection terminal disposed in a vicinity of an end portion of the first surface, and an electric wiring substrate electrically connected to the connection terminal. The recording element substrate includes an insulating resin layer disposed in a vicinity of the end portion of the first surface and outward from the connection terminal, and an adhesiveness improving layer disposed between the insulating resin layer and the semiconductor substrate, and configured to improve adhesiveness between the insulating resin layer and the semiconductor substrate. | 10-09-2014 |
Patent application number | Description | Published |
20110122118 | DISPLAY DEVICE - To obtain a display device that can perform measurements in a wider range and detect characteristic changes with high accuracy while suppressing the increase in circuit size. The display device includes display elements and a characteristic testing unit that tests characteristics of the display elements, and the characteristic testing unit includes a current supply unit for the display element as a target of test, a reference voltage output unit, an output voltage detecting unit that detects a code of a voltage of the test target display element relative to the reference voltage at each time, and a test control unit that allows the reference voltage output unit to sequentially output the reference voltages in response to the codes and acquires a measurement result of the voltage of the test target display element based on the codes. | 05-26-2011 |
20110157112 | GATE SIGNAL LINE DRIVING CIRCUIT AND DISPLAY DEVICE - A gate signal line driving circuit and a display device includes first and second low voltage application switching elements that supply a low voltage to gate signal lines, a holding capacitor that is connected to a reset target node and supplies an ON signal towards the first and second low voltage application switching elements in a signal low period, first and third control switching elements the one ends of which are connected to the switch input of the first or second low voltage application switching element, and second and fourth control switching elements which each are provided between the switch input of the first or second low voltage application switching element and one end of the holding capacitor. In a startup period, a high voltage is supplied to the holding capacitor through the first to fourth control switching elements. | 06-30-2011 |
20120154359 | STEREOSCOPIC DISPLAY DEVICE - The stereoscopic display device has a display panel, a barrier liquid crystal panel disposed on the display panel, and a driving circuit for driving the display panel and the barrier liquid crystal panel, in which the frame frequency of the display panel and the alternating frequency of the barrier liquid crystal panel are different, the barrier liquid crystal panel is driven by a driving voltage input from the driving circuit, the driving circuit has an inverter circuit for outputting the driving voltage, independently controls a p-type transistor and an n-type transistor in the inverter circuit, and has time periods in which both the p-type transistor and the n-type transistor are turned off when the driving voltage is switched from a high level to a low level or a low level to a high level. | 06-21-2012 |
Patent application number | Description | Published |
20110238764 | ELECTRONIC MAIL COMMUNICATION APPARATUS AND COMPUTER READABLE RECORDING MEDIUM - An email communication apparatus includes: a receiver configured to receive an email; and a transmitter configured to transmit an acknowledgement mail relating to a delivery confirmation of the email. The receiver includes: a first reception unit configured to receive a first type email through an email server, the first type email designating a mail address as a transmission destination of the acknowledgement mail, and a second reception unit configured to receive a second type email without through the email server. If the first reception unit receives the first type email, the transmitter transmits, through the email server, the acknowledgement mail in which a transmission destination is the designated email address. If the second reception unit receives the second type email, the transmitter transmits, without through the email server, the acknowledgement mail in which a transmission destination is a network address of a transmission source device. | 09-29-2011 |
20120163573 | COMMUNICATION APPARATUS - A communication apparatus includes: a first determining unit that determines whether specific identification information designated as a transmission destination of object data to be transmitted is identification information assigned to an internal device within a LAN including the communication apparatus; a deciding unit that decides a specific guaranteed band to be used for transmission of the object data, from a plurality of guaranteed bands, based on the determination result; and a first communication unit that transmits the object data by performing IP communication using the specific identification information and the specific guaranteed band. If the specific identification information is the identification information assigned to the internal device, the deciding unit decides the specific guaranteed band using a first deciding method. If the specific identification information is not the identification information assigned to the internal device, the deciding unit decides the specific guaranteed band using a second deciding method. | 06-28-2012 |
Patent application number | Description | Published |
20140092421 | Communication Apparatus - A communication apparatus includes a processor to perform determining whether a current state of the communication apparatus is a master station state or a slave station state; controlling to perform, in a first case where it is determined that the current state of the communication apparatus is the master station state, a first type communication with the target apparatus to enable the target apparatus to participate in the specific wireless network, and controlling to transmit, in a second case where it is determined that the current state of the communication apparatus is the slave station state, transmits a communication request to perform a second type communication to enable the target apparatus to participate in the specific wireless network between the master station apparatus and the target apparatus. | 04-03-2014 |
20140092776 | Communication Apparatus - A communication apparatus includes: a processor to execute determining whether the number of slave stations belonging to a first wireless network as a slave station is the same as a upper limit; transmitting first wireless setting information, when it is determined as a first case that the number of the slave station apparatuses is smaller than the upper limit; transmitting, when it is determined a second case that the number of the slave station apparatuses is the same as the upper limit, second wireless setting information; and performing, in the first case, communication of target data by using the first wireless network, and performing, in the second case, communication of the target data by using the second wireless network. | 04-03-2014 |