Abstract: A cache server comprises a storage unit that stores managed content held by a storage apparatus in a mobile network, determines, from among a plurality of cache servers provided in the mobile network, a cache server that stores content(s) requested by a mobile terminal, using information included in a content request message from the mobile terminal, estimates a bandwidth of the mobile network based on a signal from the mobile terminal, reads a file with a bit rate not exceeding the bandwidth among a plurality of files having the requested content(s) with different bit rates, from the determined cache server, and transmits the read file to the mobile terminal while controlling timing of transmission in accordance with a buffer capacity of the mobile terminal.

Abstract: A gateway apparatus receives an image signal, which includes a moving image signal or a still image signal, from a first terminal connected to a first network, performs conversion that enhances resolution and image quality of the image signal, and transmits the converted image signal to a second terminal connected to a second network.

Abstract: There is provided a powder treating apparatus which can uniformly and successively combine and grow powders having different specific gravities or sizes together with a simple structure.

Abstract: A gateway apparatus receives a call control signal and/or a packet that has voice data stored therein in a predetermined protocol or payload format from an access point, converts a protocol of the call control signal and/or a protocol or payload format of the packet into a circuit switched protocol used when an RNC connects to the circuit switching equipment for output to the circuit switching equipment, receives a call processing signal that uses the protocol as that used when the circuit switching equipment outputs to the RNC and a voice signal that uses the same protocol, converts protocol of the call processing signal and/or the voice signal for output to the access point.

Abstract: When a location of a portable terminal connected to another network beyond a packet communication network side changes, the gateway apparatus that is arranged between a mobile circuit switching network and a packet communication network (IMS network) and that performs mutual conversion between a circuit switching protocol and a packet communication protocol to execute voice communication, exercises control such that at least one of a sequence number and a timestamp in a packet destined to a portable terminal and output to the packet communication network, is made to vary continuously before and after movement of the portable terminal, in case the portable terminal connected to a network beyond the packet communication network side, moves its location.

Abstract: To provide a moving picture transcoding apparatus capable of suppressing deterioration of an image quality and capable of reducing a calculation amount required for transcoding an image, the moving picture transcoding apparatus which transcodes encoded moving picture data includes: a moving picture data producing unit for producing new moving picture data in which a specific frame of the encoded moving picture data is set as a head thereof; and a judging unit for judging whether or not a succeeding frame of the specific frame has been encoded by referring to a frame preceding the specific frame.

Abstract: A gateway device connects a packet transfer device on a mobile high-speed network and a radio network controller on a mobile circuit-switched network via an IMS network, and if the gateway device receives from the packet transfer device a request signal for changing a bit rate of audio, the gateway device converts an audio compressed-and-encoded bit stream, stored in a packet transmitted from the packet transfer device or the radio network controller, into a bit rate requested in the request signal and transmits the converted bit stream to the radio network controller or the packet transfer device.

Abstract: A content delivery system includes: a packet forwarding apparatus(es) that forwards a plurality of contents delivered from a delivery server apparatus on the Internet; a plurality of cache servers that are arranged for or connected to the packet forwarding apparatus(es) and that temporarily store at least some of the plurality of contents; and a control apparatus that collects an access frequency of each of the at least some of the contents from the plurality of cache servers, arranges contents whose access frequency is equal to or higher than a predetermined threshold in the plurality of cache servers in accordance with a predetermined arrangement, and arranges the other contents in the plurality of cache servers in accordance with access frequencies of the other contents.

Abstract: A femtocell gateway apparatus arranged on a mobile IMS network comprises a conversion unit that when receiving a request from a terminal via a mobile network, transfers the request to a femtocell access point located in a home, reads a stream or file including at least one of video and audio, from at least one of devices connected to the femtocell access point and devices connected thereto via a home network, subjects the read stream or file to a conversion suitable for at least one of the capability of the terminal and the characteristics of the network, and outputs the stream or file converted. The output packet is then sent through a packet forwarding apparatus on the mobile network to the terminal.

Abstract: A gateway apparatus that interconnects a mobile circuit switched network and a mobile IMS network to implement the video phone includes a conversion unit. The conversion unit demultiplexes a multiplexed bit stream signal output from a mobile terminal connected to the mobile circuit switched network to take out one or more of a control signal, a compression-encoded speech signal, and a compression-encoded video signal. The conversion unit converts the control signal into one or more of a MEGACO signal, a SIP signal and a SDP signal, while converting the speech signal and the video signal, if necessary. The conversion unit also packetizes the speech signal and the video signal to transmit resulting packets to the IMS network.

Abstract: A server apparatus includes: a compression and encoding unit that compresses and encodes screen information or image information downloaded from a Web serve on the Internet in response to an instruction from a mobile terminal; a packet transmission unit that stores an output signal from the compression and encoding unit into a packet and transmits the packet to the mobile terminal via a packet forwarding apparatus(es); and a video image quality measurement unit that measures video image quality by referring to an input signal to the compression and encoding unit, a signal decoded from the output signal of the compression and encoding unit, a transmission timing of the packets, and a timing at which the mobile terminal receives the packet.

Abstract: An exemplary aspect of the invention is a data monitoring system including a data monitoring apparatus, a monitoring terminal, a first network, a second network, a first communication apparatus that is connected to the first network and a second communication apparatus that is connected to the second network, wherein the data monitoring apparatus includes a call processing circuit to retrieve decoding information out of a call processing signal transmitted from one of the first communication apparatus and the second communication apparatus to the other and to transmit the decoding information to the monitoring terminal, and a data processing circuit to transmit data having voice data or image data to the monitoring terminal, wherein one of the first communication apparatus and the second communication apparatus transmits the data to the other, and wherein the monitoring terminal includes a decoding circuit to decode the data in accordance with the decoding information.

Abstract: A plurality of cache servers, connected to a packet forwarding apparatus, forwarding a packet transmitted and received between a storage apparatus that holds a content under management in store and a user terminal, temporarily holds at least part of the content under management in store. A controller decides an on-screen resolution at the terminal, based on information contained in a content request message from the terminal, and selects a cache server that holds a content of the on-screen resolution in store. The controller instructs the selected cache server to deliver the content. The cache server instructed calculates a bit rate based on a signal received from the terminal. The cache server reads content from the terminal, which is to have the on-screen resolution and a bit rate not higher than the calculated bit rate. The content is stored in a packet and transmitted, then delivered without reducing the user's QoE.

Abstract: A cache server, connected to a packet forwarding apparatus that forwards a packet to be sent and received between a user terminal and a distribution server that distributes content over the Internet, temporarily stores at least some of the content in a content temporary storage unit of the cache server, calculates a bit rate when sending content based on a TCP response signal or an ECN (Explicit Congestion Notification) signal received from the terminal, and reads a file or stream of content requested in a content request message received from the terminal, whose bit rate is not greater than the bit rate, from the content temporary storage unit or the distribution server, stores the read file or stream in a packet of a prescribed protocol, and sends the packet.

Abstract: From a cache server that temporarily retains at least part of a plural number of contents stored in a storage apparatus, a controller receives an access frequency to the contents and a load state of the cache server. The controller also receives, from a packet forwarding apparatus, information of a terminal being or not being in a service area. The controller decides that a content an access frequency to which is higher than a predetermined threshold value will be allocated to two or more of the plural number of the cache servers predetermined. The controller also decides that at least part of the other contents will be allocated to the plural number of the cache servers using at least one out of the access frequency, the load state, the information of a terminal being or not being in a service area and topology information of the mobile network. The controller instructs the cache servers to retain the contents depending on the decided allocation.

Abstract: Disclosed is a server apparatus including a conversion unit which, in case another terminal takes part anew in a group of terminals, during a time of transmitting the copied stream or packet, converts a video frame to a non-predictive frame and transmits the non-predictive frame and transmits a video signal following the non-predictive frame, as it is.

Abstract: A cellular phone terminal 103 can be connected to both of a wireless cellular phone base station 104 that is a public network and a wireless LAN access pint 101 that is a private wireless network to be used by particular users. When the cellular phone terminal 103 enters a wireless area 102 of the private wireless network, the cellular phone terminal 103 activates at least one part of at least one data processing functions of an address book function 103a, a bookmark function 103b and a mailbox function 103c that handle private information for the cellular phone terminal 103. On the other hand, when the cellular phone terminal 103 moves outside the wireless LAN area 102 like a cellular phone terminal 106, at least one part of the function of the activated functions is non-activated or disabled. The activated/non-activated functions are differentiated depending on a plurality of the private wireless networks or the user of the cellular phone terminal.

Abstract: A gateway receives a predetermined request from a terminal via a network, identifies the type of the terminal, reads a stream or a file, which includes at least one of a video and an audio, from at least one of an equipment connected directly to the gateway and an equipment connected to the gateway via a network, creates conversion information suitable for the type of the terminal, performs conversion for the stream or the file in accordance with the conversion information, and transmits the converted stream or file to the terminal.

Abstract: A control apparatus computes an access frequency for a content item stored in a plurality of cache servers that temporarily hold a content item based on a number of accesses to the content item, determines disposition of content items in the plurality of cache servers, using at least one of a load status of the plurality of cache servers, topology information of a mobile network, in-zone information of a terminal requesting a content item, and the access frequency to instruct the plurality of cache servers to obtain a content item according to the determined disposition, and, upon receipt of a request for a content item from the terminal, instructs a cache server that holds the content item among the plurality of cache servers to transmit the content item through a packet forwarding apparatus.

Abstract: An audio recording and reproducing apparatus includes a controller for controlling the entire behaviors, hard disc for write and read of audio data, audio compression/expansion circuit for expanding compressed audio data, and external I/O port. The audio recording and reproducing apparatus is connected to a network service center to obtain desired music data from storage of the network service center and to store it in the hard disc.