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6516066 |
Apparatus for detecting direction of sound source and turning microphone toward sound source
An object of the present invention is to turn microphones accurately and quickly toward a sound source. The first microphone pair is rotated by rotation means and driving means, so that the...
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6481851 |
Adjustable contrast reflected display system
A transparent-reflective display constructed to be alterable so that reflected images are viewed upon a transparent surface that can alter to a darkened surface, thereby changing contrast of the...
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6469737 |
Image-sensing server and control method and storage medium therefor
An image-sensing server performs moving-image transfer service by sequentially transferring live video images obtained by a video camera via a general network such as the Internet. When live video...
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6454414 |
Device for image output and input
An image input/output device comprises a semi-transparent display and an image capture device. The semi-transparent has a displaying surface for displaying images to a user and an opposite surface...
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6454415 |
Interactive teleconferencing display system
A teleconferencing system in which the video image of a subject in front of a selected background scene is extracted from that scene and transmitted to other locations where selected backgrounds...
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6373600 |
Light-receiving element unit, a method and device for digital image input
An A/D converter converts analog data received from a light-receiving element via an amplifier to digital data. From the A/D converter, digital data is transmitted via a multiplier to a comparing...
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6369846 |
Multipoint television conference system
Disclosed is a multipoint television conference system, comprising terminals, and a multipoint control unit for controlling the terminals. Each of the terminals is provided for each attendee to the...
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6313863 |
Image communication apparatus and system
A combined image is made up of a static image and a motion image. An area of the static image is replaced by the motion image to form the combined image. The combined image is then coded and...
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6297843 |
System providing video compression/encoding for communications across a network
A system providing video compression/encoding functions incorporates an integrated video apparatus which includes a camera for capturing an image, a frame grabber coupled to the camera for storing...
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6297846 |
Display control system for videoconference terminals
A display control system for a videoconference terminal capable of displaying proper images of participants. A video camera captures wide-angle source pictures including the images of participants....
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6292211 |
Computer-aided telecommunication system and method
A computer-aided telecommunication system and method which uses an Internet web site and at least two computers to permit people located remotely from one another, and who may be unskilled in...
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6285392 |
Multi-site television conference system and central control apparatus and conference terminal for use with the system
The invention provides a multi-site television conference system which provide natural video images and acoustic images which provide a good feeling of presence to participants who participate in a...
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6278478 |
End-to-end network encoding architecture
An improved teleconferencing data capture, encoding, and decoding architecture incorporates the audio encoding and video encoding functions in capture encoder hardware devices, and incorporates the...
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6259470 |
Image capture system having virtual camera
An improved image capture system capable of combining the individual images from at least two image capture devices to produce a virtual camera for simulated line-of-sight image capture in such...
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6246430 |
Video telephone
A video telephone (TEL) for use in an interactive video service is disclosed to establish a switched connection to a video server (VOD) to receive video signals corresponding to selections chosen...
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6211902 |
Video conference control apparatus, video conference control method, and video conference control system
A video conference control apparatus includes a decoding circuit, a thinning circuit, an image synthesizing circuit, an encoding circuit, and an encoding area setting circuit. The decoding circuit...
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6192257 |
Wireless communication terminal having video image capability
A wireless communication terminal is configured for enabling a user to receive and transmit video images as well as receive and transmit audio or speech signals associated with the user of the...
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6128033 |
Audiovisual communications terminal apparatus for teleconferencing and method
An audiovisual communications terminal apparatus is adapted for interconnection to at least another audiovisual communications terminal apparatus by a communications medium to form an audiovisual...
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6072522 |
Video conferencing apparatus for group video conferencing
A group video conferencing apparatus for the purposes of facilitating a video conference involving a group of participants which are azymuthly located about said apparatus is described. Means are...
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6067571 |
Server, terminal and control method for transmitting real-time images over the internet
A server which smoothly transmits/receives a moving image from image sensing device via the Internet. The server comprises a camera which converts an object image into an image signal, a camera...
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6061440 |
Intelligent switching system for voice and data
A teleconferencing system for voice and data provides interconnections among user sites via a central station. User stations at user sites each alternate operation between a data mode connecting a...
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6037970 |
Videoconference system and method therefor
A videoconference system holds a videoconference among N (a plurality of) communication centers connected by a communication line. Each communication center includes: N-1 display devices for...
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6025870 |
Automatic switching of videoconference focus
A videoconference system includes a video switch for selecting focus video information, a physical video input node coupled to provide physical video information to the video switch, a graphics...
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6020914 |
Terminal for audio-video communication
A video communication terminal for setting up a video communication system which is compact and easy to install, which can be easily transported to different locations and which does not create EMI...
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6005633 |
Signal transmitting-receiving system
A signal transmitting-receiving system which has a signal transmitting side system constructed by signal transmitter T1, voice processor T2 and signal receiver T3 and also has a signal receiving...
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5969750 |
Moving picture camera with universal serial bus interface
A camera is provided that can be connected to a processing system via an external connector outside of the housing of the processing system. The camera includes a camera housing. An imaging device...
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5966165 |
Videophone interface arrangement and method therefor
A videophone includes an interface that enables communication between a videophone and another type of device, such as a speech-only telephone. In one embodiment, a signal processing circuit...
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5966166 |
System and method for compressing video data for video conferencing at a reduced frame rate
The compression of composite video data is provided in order to reduce bandwidth and thereby increase the amount of bandwidth available for transmission. Composite video signals that include a...
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5926208 |
Video compression and decompression arrangement having reconfigurable camera and low-bandwidth transmission capability
A video and audio compression and decompression system includes a reconfigurable compact camera communicating with a computer system to permit the camera to execute one of several types of...
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5917543 |
Video conference system and control method for the same
A video conference system includes a detecting circuit for detecting an amount corresponding to a movement delay, if the movement delay occurs in a terminal device prepared at a second point when...
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5900907 |
Integrated videoconferencing unit
A videoconferencing unit is provided which integrates several components of a videoconferencing system to facilitate system setup and operation. The videoconferencing unit comprises a generally...
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5898457 |
TV conference communication device and method of controlling the same
A method of controlling TV conference communication devices having exchanges of moving picture images therebetween through a network includes sending first moving-picture-image parameters from one...
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5852466 |
Teleconference system
A teleconference system by which a reservation for use can be readily and certainly established. The teleconference system includes an input unit for inputting image data and audio data; an output...
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5844599 |
Voice-following video system
A voice-following video system for dynamically capturing the view of an active speaker includes a video camera, a position control system for the video camera, and one or more voice-activated...
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5818514 |
Video conferencing system and method for providing enhanced interactive communication
A system and method for enhancing interactive communication between video conferencing devices of the type in which a delay is inserted into the audio transmission path to provide lip...
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5808663 |
Multimedia carousel for video conferencing and multimedia presentation applications
A multimedia carousel for use in video conferencing and multimedia presentation applications is disclosed. The multimedia carousel includes a cube-shaped media unit rotatably disposed on a...
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5808662 |
Synchronized, interactive playback of digital movies across a network
A system and method for synchronized playback and control of a movie (also referred to as time-based digital media). The movie includes one or more data structures, called "tracks", containing...
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5796424 |
System and method for providing videoconferencing services
A broadband system includes a broadband switch network, a broadband session controller, and a broadband service control point. The broadband network provides connections between information...
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5793415 |
Videoconferencing and multimedia system
A videoconferencing system is provided which comprises a personal computer having a 32-bit multi-tasking, native-networking operating system and a touch screen graphic user interface for...
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5764278 |
Video conference apparatus for storing a value of a parameter when communication is temporarily disconnected
There is provided a video conference apparatus which can disconnect a communication line by a simple operation, and automatically return to a previous state when the communication line is...
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5701153 |
Method and system using time information in textual representations of speech for correlation to a second representation of that speech
The invention pertains to a method and system of inserting a timecode into a textual representation of a speech. The system includes a computer, a timecode generator, and videotape recorder. The...
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5684528 |
Camera controlling apparatus for television conference system
A camera controlling apparatus for a television conference system wherein the turning speed of a camera is varied in response to an operation mode. The camera controlling apparatus includes a...
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5675374 |
Video teleconferencing system
A video teleconferencing system is adapted to make a video conference among a plurality of participants located at different work locations. The video teleconferencing system includes a plurality...
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5675375 |
Home videoconferencing system (HVS)
A home videoconferencing system 100 uses a standard television receiver 16 and a camcorder 14. The video controller 112 converts an outgoing analog video signal into a compressed digital video...
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5673079 |
Image communication apparatus with interactive operator display
In the terminal A, the input image "ABC" is displayed in a window 200A, with a rectangular frame 206A indicating the area of transmission. The image in the transmission area is enlarged, and...
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5666153 |
Retractable teleconferencing apparatus
A retractable video teleconferencing apparatus for a video monitor having an optical axis. An optical assembly includes a housing mounted to the video monitor; a track for moving the housing...
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5648814 |
Method and apparatus for optimizing camera function for video conferencing systems
The camera function of a video conferencing system is enhanced such that it will operate in an automatic adjustment mode for brightness and color for only a predetermined period of time, and only...
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5640197 |
Peripheral unit for satelite multi-videoconferencing
The peripheral unit for multi-videoconferencing permits multi-videoconferencing while fully exploiting the characteristics of a telecommunications satellite, and can also provide the service to...
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5619253 |
Video display of indicia
Video communication apparatus includes a first diffusing screen comprising a layer of a transparent material in contact with a layer of a diffusing material such that the surface of the diffusing...
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5598209 |
Method for automatically adjusting a video conferencing system camera
A method for automatically adjusting the pan and tilt of a camera, such as used in a videoconferencing system. A pointer and a picture of the camera's field of view are provided on a display...
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