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1. WO1996003831 - SYSTEM, METHOD AND MULTIPOINT CONTROL UNIT FOR MULTIPOINT MULTIMEDIA CONFERENCING

Publication Number WO/1996/003831
Publication Date 08.02.1996
International Application No. PCT/US1995/002527
International Filing Date 28.02.1995
IPC
H04M 3/56 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
MTELEPHONIC COMMUNICATION
3Automatic or semi-automatic exchanges
42Systems providing special services or facilities to subscribers
56Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
H04N 7/14 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
7Television systems
14Systems for two-way working
H04N 7/15 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
7Television systems
14Systems for two-way working
15Conference systems
CPC
H04M 3/567
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
MTELEPHONIC COMMUNICATION
3Automatic or semi-automatic exchanges
42Systems providing special services or facilities to subscribers
56Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
567Multimedia conference systems
H04M 3/568
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
MTELEPHONIC COMMUNICATION
3Automatic or semi-automatic exchanges
42Systems providing special services or facilities to subscribers
56Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
568audio processing specific to telephonic conferencing, e.g. spatial distribution, mixing of participants
H04N 7/147
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
7Television systems
14Systems for two-way working
141between two video terminals, e.g. videophone
147Communication arrangements, e.g. identifying the communication as a video-communication, intermediate storage of the signals
H04N 7/15
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
7Television systems
14Systems for two-way working
15Conference systems
H04N 7/152
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
7Television systems
14Systems for two-way working
15Conference systems
152Multipoint control units therefor
Y10S 379/908
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
10TECHNICAL SUBJECTS COVERED BY FORMER USPC
STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
379Telephonic communications
908Multimedia
Applicants
  • MOTOROLA INC. [US/US]; 1303 East Algonquin Road Schaumburg, IL 60196, US
Inventors
  • NG, Dennis; US
  • YANG, Jian; US
  • EYUBOGLU, M., Vedat; US
Agents
  • STOCKLEY, Darleen, J. ; Motorola Inc. Intellectual Property Dept. 1303 East Algonquin Road Schaumburg, IL 60196, US
Priority Data
08/280,42326.07.1994US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) SYSTEM, METHOD AND MULTIPOINT CONTROL UNIT FOR MULTIPOINT MULTIMEDIA CONFERENCING
(FR) SYSTEME, PROCEDE ET UNITE DE COMMANDE MULTIPOINT POUR RESEAU DE CONFERENCE MULTIMEDIA MULTIPOINT
Abstract
(EN)
Multipoint control units (902) are networked utilizing a predetermined number of mixing operations such that delay is reduced while maintaining overall quality. The present invention provides an advantageous system (200) by also substantially reducing communication costs by utilizing efficient networking.
(FR)
Des unités de commande multipoints (902) sont connectées en réseau à l'aide d'un nombre prédéterminé d'opérations de mélange de sorte que le retard soit réduit et la qualité globale conservée. Cette invention offre un système économique (200) et permet également la réduction sensible des coûts de communications grâce à une gestion de réseau efficace.
Also published as
Latest bibliographic data on file with the International Bureau