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7308188 |
Audio reproducing apparatus
Even when both a digital audio signal and an analog audio signal are inputted, a type of inputted digital audio signal is identified, and an internal signal path is automatically switched based on...
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7292544 |
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...
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7257202 |
Telephone communication system
A video-phone call with a portable video-phone terminal is enabled for a cellular phone which has not video-phone service provided, by making use of cameras and display devices placed on the...
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7233345 |
Communication apparatus and method
A communication apparatus includes an image sensing unit, voice recognition unit, keyword detection unit, auxiliary image selection unit, input image selector switch, and transmission unit. The...
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7230639 |
Method and apparatus for selection of signals in a teleconference
A method and apparatus for providing appropriate output signals to output devices in a teleconference setting is disclosed. Input signals are obtained from input devices, and descriptive...
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7228150 |
Camera mounted two-way wireless personal video/audio communication system
A two-way wireless personal video/audio communication system comprises a video mode switch for selecting a desired one of X, N, and R modes, and a video signal control circuit for transferring a...
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7218356 |
System and method for inductive line synchronization
A synchronization signal generating apparatus and method in which an input circuit is inductively coupled to an alternating current signal line. The input circuit generates a rectified signal. A...
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7202886 |
Videophone terminal
The present invention provides a videophone terminal by which the emotions and impressions of a user can be transmitted to and easily understood by a co-communicant. When a user performs a...
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7170545 |
Method and apparatus for inserting variable audio delay to minimize latency in video conferencing
A method and apparatus to insert variable audio delay during video conferencing to achieve conflicting goals of lip-sync and interactive conversation. The amount of audio delay is variable...
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7119855 |
Image display with display-switching function
In an image display having a image generator for forming and displaying an optical image in accordance with inputted image signal and a controller for controlling the image generator, a controller...
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7113201 |
Image processing apparatus
Image data from a plurality of cameras 2 - 1, 2 - 2, 2 - 3 showing the movements of a number of people, for example in a meeting, and sound data from a directional microphone array 4 is...
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7109860 |
Surveillance apparatus integrated with mobile phone
The present invention is to provide a surveillance apparatus for monitoring the situation of a visitor through a mobile phone, which comprises a monitor assembly including a microprocessor, a...
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7053923 |
Establishing audio communication during initialization of video conference calls
A system for setting up video conferencing calls. Setting up such calls imposes a delay of about 45 seconds. Under the invention, an audio call is established immediately, and is held during the...
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7042486 |
Image capture and display device
An image capture and display device includes an electronic motion image camera for capturing the image of a subject located in front of the image display device and a digital projector for...
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7006121 |
Virtual terminal configuring method and device
Terminal management information concerning a plurality of communication terminals of a user is managed. When a call addressed to the user is initiated, one or more terminals that can accept the...
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6982748 |
Automatically switched camera system with indicator for notifying the next subject of the camera system
An automatically switched camera system includes sensors for providing data of an image scene having subjects who are behaving in a manner which make them potential targets of the camera system, a...
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6972786 |
Multimedia services using central office
A system for providing video communication services to one or more premises with video communications-services users, comprising a first premises network, a plurality of user workstations...
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6963353 |
Non-causal speaker selection for conference multicast
A method for non-causal speaker selection is provided. In accordance with a particular embodiment of the present invention the method includes receiving a plurality of video streams at a multipoint...
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6947068 |
Videoconferencing method and system for connecting a host with a plurality of participants
An improved videoconferencing system and method are provided for connecting a host to a plurality of participants. Unlike other videoconferencing methods and systems, the videoconferencing system...
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6930702 |
Device for positioning and operating audio and video equipment
A mount for devices used in a teleconferencing site is disclosed. The mount positions and secures the devices in a substantially linear array along a wall of the teleconference site. The mount...
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6909452 |
Remote video telephone system
The remote video phone system comprises a base video unit, at least one remote video unit and a circuit configured to allow the base unit and one or more remote video units to communicate with one...
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6894715 |
Mixing video signals for an audio and video multimedia conference call
In a multimedia communications system ( 100 ) that supports conference calls that include an audio portion and a video portion, a primary video image is selected from a plurality of video images...
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6892388 |
Video recording and production system
A system for recording, storing, manipulating, retrieving and displaying video images of events. The system has the capability of accepting video and audio input from a number of sources,...
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6868332 |
Display system
A display system able to display a television screen and a navigation screen, giving due consideration to safe vehicle operation, provided with a screen switching unit for displaying a television...
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6839080 |
Remote server switching of video streams
A portable video switching device receives video streams from a multiple number of different video capture devices located remotely and selects one of the video streams for further transmission....
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6831675 |
System and method for videoconference initiation
A system and method accepting information regarding audio telephony sessions (e.g., a telephone calls) and, in response, initiating videoconferences via videoconference terminals associated with...
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6825873 |
TV phone apparatus
A TV phone apparatus includes an image sensing element, ROM, CG processing section, and radio antenna. The image sensing element photographs a real video of a speaker. The ROM stores in advance at...
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6812956 |
Method and apparatus for selection of signals in a teleconference
A method and apparatus for providing appropriate output signals to output devices in a teleconference setting is disclosed. Input signals are obtained from input devices, and descriptive...
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6744460 |
Video display mode automatic switching system and method
An automatic switching system and method for determining and effecting an optimal video display mode based on the interaction among participants in a conference or discussion is disclosed. The...
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6674458 |
Methods and apparatus for switching between a representative presence mode and one or more other modes in a camera-based system
A camera-based system includes a number of sites, each having a camera associated therewith. A processing system processes a video signal received from a camera at a given one of the sites, and...
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6661448 |
Method and system for providing and transmitting alternative video data during interruptions in video transmissions
A method and system for transmitting an alternative video or multimedia data file during an interrupted video transmission in, for example, a mobile video telephony system. In a first aspect of the...
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6628319 |
Method and multimedia communication device for enabling communication between terminals having different multimedia capabilities
For communication between terminals having different multimedia capabilities, those multimedia services are determined which, although they are offered by a first of the terminals, they are not...
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6621515 |
System and method for routing video calls
A method and system for routing video calls includes one or more video endpoints. An array of infrastructure routing elements transmits the video calls between the video endpoints along one or more...
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6621514 |
Video conferencing system
An improved video conferencing system debundles the audio and the video and allows for a user to select which other conference stations will receive audio, which will receive video and which will...
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6603501 |
Videoconferencing using distributed processing
A video teleconferencing system and method transfers video teleconferencing signals from a sender to a receiver. The sender determines decision information based on internal or external factors....
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6590602 |
Digital television with subscriber conference overlay
Digital television system overlays subscriber two-way communication during broadcast program delivery to create virtual audience community. Individual or group billing and advertisement is...
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6580447 |
Video signal switching arrangement and conference video display system using same
A conference video display system is provided for allowing attendees at the conference to switch to the video images of their respective personal computers at will, and eliminating the need for...
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6535240 |
METHOD AND APPARATUS FOR CONTINUOUSLY RECEIVING FRAMES FROM A PLURALITY OF VIDEO CHANNELS AND FOR ALTERNATELY CONTINUOUSLY TRANSMITTING TO EACH OF A PLURALITY OF PARTICIPANTS IN A VIDEO CONFERENCE INDIVIDUAL FRAMES CONTAINING INFORMATION CONCERNING EACH OF SAID VIDEO CHANNELS
A method and apparatus is provided for video conferencing. The method and apparatus continuously receive frames from a plurality of video channels and alternately continuously transmit to each of a...
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6535238 |
Method and apparatus for automatically scaling processor resource usage during video conferencing
An apparatus and technique are disclosed for controlling the resource usage of a processor during a video conference by dynamically varying the rate at which video images are compressed so as to...
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6518994 |
Video call distribution
A system for routing incoming video calls. A group of agents handle incoming calls, as in a telephone mail order facility. When a server receives an incoming video call, it selects an available...
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6490344 |
Communication system and communication channel coupling method
In a communication system, a call setup request is sent from a control unit to a first connection unit and a second connection unit to record the communication channel information of the opposite...
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6433813 |
Videoconferencing method and system for connecting a host with a plurality of participants
An improved videoconferencing system and method are provided for connecting a host to a plurality of participants. Unlike other videoconferencing methods and systems, the videoconferencing system...
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6426769 |
High-quality switched analog video communications over unshielded twisted pair
In a video communications system and method, first and second unshielded twisted pairs (UTP) of wires are provided, with analog video signals being transported over at least one of the two UTP...
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6404811 |
Interactive multimedia system
An interactive multimedia audio/video communications system uses a lower data rate, non-deterministic graphics/command network having a plurality of desktop viewing stations and a network server. A...
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6377664 |
Video phone multimedia announcement answering machine
A video enable answering machine having many new features including customized video announcement messages, caller ID based video announcement messages, and time based video announcement messages.
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6346964 |
Interoffice broadband communication system using twisted pair telephone wires
A system including a broadband switch includes a controller which coordinates video call set-up and a switch for connecting various phone lines together through diplexers. The system permits video...
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6345390 |
Bidirectional digital signal transmission system and repeater for the same
A bidirectional digital signal transmission system includes a transmission line, and video instruments respectively connected to both ends of the transmission line. In each of the video...
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6278691 |
Communications system
A communications system has a real time signal generating part for generating the real time signal of data rate R with one frame as one unit; a transmission part, having a transmission rate C...
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6249324 |
Transmission processing apparatus, television conference system, transmission processing method and memory medium
There is disclosed a system capable of dispensing with the video/audio encoder in each communication terminal. A switch selects one of plural video/audio inputs. A video capture device of a...
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6240554 |
Local area network for simultaneous, bi-directional transmission of video bandwidth signals
A local area network for the simultaneous, bi-directional transmission of video bandwidth signals includes an economical switching matrix.
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