Ricoh Company, Ltd.

Kabushiki Kaisha Toshiba

Takeshi Horiuchi

Hiroshi Hinohara

Atsushi Miyamoto

Takahiro Asai

Naoki Umehara

Takuya Soneda

Takashi Hasegawa

Takeshi Homma

Toshiaki Takahashi

Yasuji Sato

Mayu Hakata

Yoshihiro Uto

Kyoya Sawada

Toshiaki Tanaka

Hisashi Yamada

Minoru Tanaka

Atsushi Nakafuji

Ryo Ogawa

Hidekuni Annaka

Hideki Shiro

Yohei Yamamoto

Masayuki Tsurusaki

Takeshi Yamashita

Akira Maekawa

Yasuo Funato

Yoshikazu Goto

A communication terminal includes circuitry that: stores first position information of an image capturing apparatus in a memory, the first position information indicating a position of the image capturing apparatus when installed in a first time period; receives a wide-view image captured by the image capturing apparatus in a second time period and second position information of the image capturing apparatus via a network, the second position information indicating a position of the image capturing apparatus when installed in the second time period; corrects the wide-view image captured in the second time period, based on a difference between the first position information and the second position information; and causes a display to display the corrected wide-view image.

Communication terminal, communication system, display method, and non-transitory recording medium

A display terminal for playing back a predetermined area of a wide-view image that is recorded, includes: a display to display a first display area and a second display area, the first display area being related to a first recording duration in which a speech is made when a first predetermined area of the wide-view image is being displayed by a first display terminal, the second display area being related to a second recording duration in which a speech is made when a second predetermined area of the wide-view image is being displayed by the first display terminal; and circuitry that receives selection of the second display area during display of a first predetermined-area image, and controls the display to display a second predetermined-area image in response to receipt of selection of the second display area.

Display terminal, communication system, and display method

A display terminal comprising circuitry that displays a first predetermined-area image on a display screen, the first predetermined-area image representing a predetermined area in a first wide-view image having been captured at a given location on a first date and time; and displays a second predetermined-area image on the display screen, the second predetermined-area image being related to the predetermined area in a second wide-view image, the second wide-view image having captured at the given location on a second date and time different from the first date and time.

A communication management apparatus includes circuitry that manages first communication in which a terminal apparatus transmits content data to another terminal apparatus via a relay apparatus. The circuitry receives, from the terminal apparatus, a determination of whether the terminal apparatus is communicable with the another terminal apparatus through second communication that bypasses the relay apparatus. Based on a determination that the terminal apparatus is communicable with the another terminal apparatus through the second communication, the circuitry restricts a communication bandwidth for the first communication of the another terminal apparatus determined to be communicable with the terminal apparatus through the second communication.

System, apparatus, and associated methodology for restricting communication bandwidths for communications through a relay device

A communication terminal includes circuitry configured to: perform first transmission of connection request information indicating a connection request to a first explainer terminal that preferentially responds to the connection request from the communication terminal provided in an unmanned store; and receive response information indicating a response of connection availability from the first explainer terminal. The circuitry is further configured to perform second transmission of the connection request information to a second explainer terminal that does not preferentially respond to the connection request from the communication terminal provided in the unmanned store, when the circuitry receives the response information indicating that connection is unavailable from the first explainer terminal, or when the circuitry receives from the first explainer terminal no response information indicating whether the connection is available within a certain time period after the first transmission of the connection request information.

Communication terminal, communication system, communication method, and non-transitory computer-readable medium

A distribution system includes circuitry to: encrypt a part of each of a plurality of images constituting a video image, the part having an angle of view other than a normal angle of view; provide a decryption key to a receiving client terminal operated by an authorized viewer; decrypt the part of each of the plurality of images having the angle of view other than the normal angle of view by using the decryption key provided; and display the video image based on other part of each of the plurality of images that is not encrypted having the normal angle of view and the decrypted part of each of the plurality of images having the angle of view other than the normal angle of view.

Distribution system, client terminal, and method of controlling display

A conference system includes a management system connected via a network to a first communication terminal and a second communication terminal. The management system includes a processing circuitry configured to implement a generation unit configured to generate a topic in response to a conference topic issuance request made by a first user to hold a conference between the first communication terminal and the second communication terminal; and an authorization unit configured to authorize the first user to perform publication and subscription for the topic in response to the conference topic issuance request made by the first user, and to authorize a second user to perform publication and subscription for the topic in response to an invitation request made by the first user to invite the second user to the conference, the invitation request including a topic name indicating a message for the second user.

Conference system, information transmission method, and storage medium

A management system, a communication system, and a management method. The management system and the management method include receiving a request to associate identification information of a first user with identification information of a first client application that the first user is authorized to use, and identification information of a second user who has been authenticated and has been authorized to use a second client application, determining whether the identification information of the second user matches certain information that corresponds to the first client application, and associating the identification information of the first user with the identification information of the first client application when the determining determines that the identification information of the second user matches the certain information that corresponds to the first client application. The communication system includes the management system, and a communication terminal that sends the access token to the management system.

Management system, communication system, and management method

A disclosed control system configured to control transmission of content data between communication terminals includes one or more processors, and a memory storing instructions that, when executed by the one or more processors, cause the control system to receive a transmission request including attribute information indicating an attribute of the content data for transmitting the content data from a first communication terminal, and perform control for transmitting the content data to a second communication terminal specified based on the destination information in response to the attribute information being in a predetermined format, the predetermined format including destination information indicating a destination of the content data and to perform control for transmitting the content data to a third communication terminal that has requested reception of the content data having the attribute indicated by the attribute information in response to the attribute information not being in the predetermined format.

Control system, communication control method, and program product

A management system, a method of controlling communication, and a communication system. The management system and method includes receiving a request to distribute information related to a prescribed attribute from a first communication terminal that is authenticated by a first client, receiving a request to receive a message related to the prescribed attribute from a second communication terminal that is authenticated by a second client, and controlling distribution of the information related to the prescribed attribute to the second communication terminal based on whether a first service that is used by the first client and a second service that is used by the second client are each associated with the prescribed attribute. The communication system includes a first communication terminal executing a first application, a second communication terminal executing a second application, and a management system to communicate with the first communication terminal and the second communication terminal.

Management system, communication control method, and communication system

A management system includes a reception unit configured to receive identification information for identifying an account, allocated by an authentication apparatus, corresponding to a terminal, the terminal being authenticated by the authentication apparatus, and a management unit configured to determine whether a function provided by the management system can be used by the terminal based on the identification information received by the reception unit.

Management system, management method, and recording medium for managing use of function to terminal

A communication system includes a first device at a first site and a second device at a second site communicating with each other. The first device includes a communication start unit to start communication with the second device, a connection information obtainment unit to obtain connection information from another device at the first site connected with the first device by wire or wirelessly, for another device at the second site to connect with the other device at the first site, and a transmitter unit to transmit the connection information to the second device. The second device includes a receiver unit to receive the connection information from the first device, and another device communication unit to transmit the connection information received by the receiver unit, to the other device at the second site connected with the second device by wire or wirelessly.

Communication system, transmission terminal, communication method, and medium

A control apparatus includes at least one processor configured to receive a request from a first communications terminal from among a plurality of communications terminals to select one or more relay apparatuses that relay content data transmitted and received between the first communications terminal and a second communications terminal from among the communications terminals; select one or more relay apparatuses included in one or more networks usable by the first communications terminal and the second communications terminal in response to the received request; and transmit identification information of the selected one or more relay apparatuses to the first communications terminal.

Control apparatus, communications control system, and non-transitory recording medium that stores program

A communication management system stores session identification information for identifying one or more communication sessions for providing the service, and use state information indicating whether each one of the communication sessions is being used. In response to receiving from a first communication terminal a request for starting communication including first service identification information for identifying a first service, the management system transmits to the first communication terminal a session identification information of one of the communication sessions having the use state information indicating that the communication session is not being used based on determination.

System, apparatus, and method of managing communication, and recording medium

A transmission management system for managing a session transmitting content data via a relay apparatus, includes a service management unit configured to manage service management information including service identification information identifying service content to be provided to each of transmission terminals, and service content corresponding to the service identification information; a first acquisition unit configured to acquire the service identification information for the transmission terminal participating in the session; a second acquisition unit configured to acquire terminal capacity information indicating service content available for the transmission terminal; an extraction unit configured to extract the service content available for the transmission terminal, based on service content corresponding to the acquired service identification information and service content corresponding to the acquired terminal capacity information; and a determination unit configured to determine service content of the transmission terminal participating in the session, based on the extracted service content.

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Tokyo, Japan

Takeshi Horiuchi