1
Youichi Ashida, Yuji Yoshida, Hitoshi Ishiguro, Hitoshi Sato, Hiroaki Natori: Multi-point conference system. Fujitsu, Staas & Halsey, March 26, 1991: US05003532 (153 worldwide citation)

A multi-point conference system for making a video conference includes a center unit having a controller and an image selector, and three or more stations respectively coupled to the center unit, where each station includes at least one camera for picking up an image to output an image data, a displ ...


2
Ashida Youichi, Yoshida Yuji, Ishiguro Hitoshi, Sato Hitoshi, Natori Hiroaki: Multi-point conference system.. Fujitsu, December 5, 1990: EP0400668-A2 (14 worldwide citation)

A multi-point conference system for making a video conference includes a center unit (2) having a controller (46) and an image selector (42), and three or more stations (1) respectively coupled to the center unit, where each station includes at least one camera (11-13) for picking up an image to out ...


3
Hideaki Watanabe, Kiyoshi Sakai: Multi-point conference system and conference terminal device. Fujitsu, Helfgott & Karas PC, March 6, 2001: US06198500 (12 worldwide citation)

A multi-point conference system includes a plurality of conference terminal devices coupled to each other, image information and voice information being transmitted among the plurality of conference terminal devices so that users of the plurality of conference terminal devices are in conference with ...


4
Kouichi Matsumoto, Kazunori Ozawa: Multi-point conference system and multi-point conference device. NEC Corporation, Ostrolenk Faber, February 23, 2010: US07667729 (5 worldwide citation)

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 when a speaker is detected. The m ...


5
Mori Atsuko: Multi-point conference system. Fujitsu, August 31, 2006: JP2006-229416 (4 worldwide citation)

PROBLEM TO BE SOLVED: To flexibly and efficiently operate diverse multi-point conferences.SOLUTION: A multi-point conference system has a plurality of conference terminals being connected to an IP network and enabling the multimedia communication of a main signal by a voice and/or a image, an SIP se ...


6
Kawashima Masahisa, Miura Norihiro, Yoshida Shunsuke: Multi-point conference system. Nippon Telegr &Amp Teleph Corp &Lt Ntt&Gt, September 8, 2000: JP2000-244491 (3 worldwide citation)

PROBLEM TO BE SOLVED: To prevent a required transmission channel frequency band from being increased in proportion to the number of participants and to avoid a propagation delay of information and changes in speakers from being increased even when the number of the participants is increased. SOLUTIO ...


7
Hata Noriyuki, Tamaru Takuya: Voice communication system. Yamaha, December 4, 2008: JP2008-294619 (3 worldwide citation)

PROBLEM TO BE SOLVED: To provide a multi-point conference system which is easy for members attending a conference to hear voices.SOLUTION: Sound radiating and picking-up devices 11A, 11B, and 11D as respective sound picking-up sides connected to a network 200 pick up voices around the devices to gen ...


8
Okada Hiroshi: Multi-point conference system via ip network using conference server. Hitachi Commun Syst, January 11, 2002: JP2002-009765 (2 worldwide citation)

PROBLEM TO BE SOLVED: To provide a multi-point conference system employing a WWW browser and an Internet phone software program via an IP network that is equipped with functions that provide synchronous display of material data, broadcasting of voice data, and a right to speak to utterers.SOLUTION: ...


9
Matsumoto Kouichi, Ozawa Kazunori: Multi-point conference system and multi-point conference device. Nippon Electric Co, December 13, 2006: EP1732323-A1 (1 worldwide citation)

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 when a speaker is detected. The m ...


10
Ikeda Hideto, Nakamura Noriko: Multi-point conference system. Kansai Tlo, September 29, 2000: JP2000-270305 (1 worldwide citation)

PROBLEM TO BE SOLVED: To provide a multi-point conference system where face pictures of all participation members to a conference are displayed on each client computer while suppressing a data transfer quantity. SOLUTION: The multi-point conference system generates face pictures of each member takin ...