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| Number | Title | Issue Date |
| 8179422 | System and method for video conferencing In one embodiment, an apparatus includes two modules. A first module receives a request from a first endpoint to subscribe to a voice activated multicast group and causes the first endpoint to receive a current speaker's video stream if the first endpoint is not the... | 05/15/2012 |
| 8179421 | Image synthesizing device and method and computer readable medium There is provided with an image synthesizing device, including: a connection unit configured to connect to another image synthesizing device; a layout storage configured to store the image layout information of one or more synthesized image where a plurality of inpu... | 05/15/2012 |
| 8169464 | Hardware architecture for video conferencing Video processing architectures, systems, and methods for a multipoint control unit are provided. In one example, a video processing system includes a motherboard and at least one daughterboard, each daughterboard having a plurality of processors interconnected via a... | 05/01/2012 |
| 8164618 | Implementation of MPCP MCU technology for the H.264 video standard A method for generating a video output signal. The method may include receiving a plurality of input video signals from each of the participants. Each of the input video signals may have a plurality of input frames. Each of the input frames may have a source slice c... | 04/24/2012 |
| 8149261 | Integration of audio conference bridge with video multipoint control unit In one embodiment, a system includes a video multipoint control unit (MCU) and an audio conferencing bridge, the audio conferencing bridge being operable to receive audio streams from audio-only and video endpoints, and to negotiate video sessions between each of th... | 04/03/2012 |
| 8149262 | Network management server for managing multiple operating modes of a conferencing network with different sets of policies A method, system, and computer program product are disclosed to manage multiple operating modes in a video conferencing network under which different sets of policies can operate. The system is a network management server, also referred to herein as the ELASTIC GATE... | 04/03/2012 |
| 8149263 | Distributed scheduling, call control, and resource management for dispersed dynamic video communications networks Method, system, and computer program product example embodiments of the invention are disclosed to manage multiple network zones interconnected over a wide area network for video conferencing. In one example embodiment of the invention, an interface of a zone contro... | 04/03/2012 |
| 8144186 | Appearance matching for videoconferencing Methods and systems for presenting video images generated by multiple endpoints in a videoconference such that the displayed images have consistent appearance, for example consistent brightness levels are disclosed. Sampling methods and algorithms are used to calcul... | 03/27/2012 |
| 8139100 | Virtual multiway scaler compensation In various embodiments, a multipoint control unit (MCU) may arrange incoming video images into a composite video image and define their respective coordinate information including the size of the original composite video image. The MCU may subsequently scale the com... | 03/20/2012 |
| 8068128 | Visual communication server and communication system According to one embodiment, a server includes a control unit which instructs establishment and end of connection for the video data communications between the client computers corresponding to the telephone terminals, in accordance with the call information event r... | 11/29/2011 |
| 8044990 | Camera controller and teleconferencing system A teleconferencing system includes: a camera system for imaging a plurality of persons; a voice collector for capturing voices generated by a plurality of persons; and a transmitter for multiplexing an image signal acquired from the camera system and a voice signal ... | 10/25/2011 |
| 8035679 | Method for creating a videoconferencing displayed image The present disclosure provides methods and systems of multipoint videoconferencing wherein layout description information is used to create videoconferencing displayed images of a composite video of one or more video images and one or more accessory elements. The l... | 10/11/2011 |
| 7978216 | Versatile conference adapter and method employing same A conference adapter. In an illustrative embodiment, the conference adapter implements a method for interfacing one or more conference endpoints with one or more conference servers. The method includes registering an endpoint and a conference server to determine end... | 07/12/2011 |
| 7932920 | Method and apparatus for video conferencing having dynamic picture layout A method and apparatus for conferencing dynamically determines conference parameters such as image layout, image resolution and bandwidth. The conference parameters are dynamically determined based on the number of participants or video sources or both that currentl... | 04/26/2011 |
| 7929011 | Method and system for handling video signals of conference A system and method particularly useful in handling the video of a “large” conference is disclosed. The system and method initially defines certain conferees as panel members, which can provide input video signals to the multipoint control unit and can receive o... | 04/19/2011 |
| 7929012 | Method and architecture for distributed video switching using media notifications Disclosed are video conferencing systems, devices, architectures, and methods for using media notifications to coordinate switching between video in a distributed arrangement. An exemplary media switch in accordance with embodiments can include: a first interface co... | 04/19/2011 |
| 7924305 | Consistent quality for multipoint videoconferencing systems A technique for maintaining consistent video quality between a plurality of videoconference sites is disclosed. Calibration correction factors are determined from video calibration data obtained from the videoconference sites. The calibration factors are applied to ... | 04/12/2011 |
| 7889226 | Hardware architecture for video conferencing Video processing architectures, systems, and methods for a multipoint control unit are provided. In one example, a video processing system includes a motherboard and at least one daughterboard, each daughterboard having a plurality of processors interconnected via a... | 02/15/2011 |
| 7808522 | Method for calling video communication service by video communication terminal and associated message data form The invention discloses a method for calling video communication service by video communication terminal. The method comprises the steps of: (a) a first video communication terminal launches a call to a multipoint control unit (MCU) and sends an conference informati... | 10/05/2010 |
| 7679640 | Method and system for conducting a sub-videoconference from a main videoconference New videoconferencing services and methods for handling the video and audio of one or more sub-conferences running in parallel to a main videoconference are disclosed. In exemplary embodiment, a multipoint control unit (MCU) that controls one or more videoconference... | 03/16/2010 |
| 7667729 | Multi-point conference system and multi-point conference device There are provided a multi-point conference system and a multi-point conference device capable of using an SIP terminal as a conference terminal and clearly and smoothly performing speaker switching without requesting a conference terminal to transmit an intra frame... | 02/23/2010 |
| 7593032 | System and method for a conference server architecture for low delay and distributed conferencing applications Systems and methods for conducting a multi-endpoint video signal conference are provided. Conferencing endpoints are linked by pairs of a reliable and a less reliable communication channel. Conference video signals are scaleable coded in base layer and enhancement l... | 09/22/2009 |
| 7561179 | Distributed real-time media composer A system and a method allowing simultaneous exchange of audio, video or data information between a plurality of units over a communication network, supported by a central unit, wherein the central unit is, based on knowledge regarding one or more of the units, adapt... | 07/14/2009 |
| 7532232 | System and method for single action initiation of a video conference A method is provided for configuring a video conference endpoint. The method comprises receiving session data that comprises endpoint connection data for remote endpoints associated with scheduled conferences, and receiving a signal from a user interface indicating ... | 05/12/2009 |
| 7508413 | Video conference data transmission device and data transmission method adapted for small display of mobile terminals Images and voice data of conference call participants are transmitted to user terminals to permit video conference calling. Mobile terminals receive moving images of only the current speaker to permit easy recognition of the visual image on the relatively small disp... | 03/24/2009 |
| 7499075 | Video conference choreographer A videoconference system is provided. The videoconference system includes a plurality of clients. A server component configured to distribute media to the plurality of clients is included. The server component includes a media mixer enabling distribution of a compos... | 03/03/2009 |
| 7492387 | Implementation of MPCP MCU technology for the H.264 video standard A method for generating a video output signal. The method may include receiving a plurality of input video signals from each of the participants. Each of the input video signals may have a plurality of input frames. Each of the input frames may have a source slice c... | 02/17/2009 |
| 7477282 | System and method for performing distributed video conferencing A method for executing a video conference is provided that includes receiving one or more audio streams associated with a video conference from one or more end points and determining an active speaker associated with one of the end points. Audio information associat... | 01/13/2009 |
| 7477281 | Transmission control in multiparty conference The present invention relates to a method, terminal device and conference server device for providing a multiparty conference in a data network, wherein an individual presentation layout for participants in a composite video image is selected by a participant and tr... | 01/13/2009 |
| 7474326 | Inter-network and inter-protocol video conference privacy method, apparatus, and computer program product A system, apparatus, method, and computer program product for establishing secure videoconferences between multiple nodes communicating via two or more transport protocols in which at least one encryption protocol is used. ... | 01/06/2009 |
| 7456858 | Distributed MCU The present invention relates generally to conferencing network systems and more specifically to a method and a device for automatic generation and allocation of optimized setup of multiple end points (EPs) to multi site connection units (MCUs) in a distributed vide... | 11/25/2008 |
| 7443416 | Videoconferencing system for and method of tele-working A videoconferencing system breaks the isolation of teleworkers by recreating relational situations between the teleworkers and other employees from the same company as if the parties were conversing in the same office. Each person participating in the videoconferenc... | 10/28/2008 |
| 7436428 | System and method for including participants in a conference call The present invention discloses a method for an intuitive and easy-to-use multi-site ad hoc conference initiation by involving some or all features of a conference managing system. The main concept is to automatically reserve the resources needed to connect selected... | 10/14/2008 |
| 7432950 | Videoconference system A conference system of the type that comprises a bridge (10) to which a plurality of terminals (1 to 4) can be connected to participate in a conference, said bridge (10) being equipped to receive the audio and/or video and/or data flows o... | 10/07/2008 |
| 7425979 | Communication system The present invention provides an easy-handling and highly-convenient communication system having sufficient adaptability even when a user does not want to transmit a live picture. In a user database for a service provider system, the user establishes beforehand inf... | 09/16/2008 |
| 7426193 | Multipoint audiovisual conferencing system According to the present invention there are provided a system, method and program storage device for establishing a connection for an endpoint to a scheduled audiovisual conference between a plurality of participants, the plurality of participants connecting to the... | 09/16/2008 |
| 7417663 | Videoconferencing service system, videoconferencing service operating method and service center A videoconferencing service operating method and the videoconferencing service system thereof in which Multipoint Control Units communicate with videoconferencing terminals through a communication network is disclosed in this invention, it is characterized that thro... | 08/26/2008 |
| 7400340 | Data mixer for portable communications devices Methods and systems are provided for combining a plurality of data streams into a single data stream for sending to a wireless user. According to the invention, using one or more data mixers, two or more video streams are combined into a single video stream and prov... | 07/15/2008 |
| 7394481 | Method for realizing multi-picture A method for realizing multi-picture, including: A. Multipoint Control Unit (MCU) creates an indicator containing multi-picture information for each of the terminals and sends the indicators to the terminals; B. each terminal receives the indicator, encodes a source... | 07/01/2008 |
| 7385622 | Method and system for presenting a video call management console Management information for plural video calls is presented through a user interface that displays a list of calls prioritized based on one or more parameters, such as alarms, so that the most important calls are prominently displayed as they need attention. An alarm... | 06/10/2008 |
