BR9706811A - Aparelho processo e sistema para telefonia e conferéncia de áudio e védeo com linha de fios - Google Patents

Aparelho processo e sistema para telefonia e conferéncia de áudio e védeo com linha de fios

Info

Publication number
BR9706811A
BR9706811A BR9706811A BR9706811A BR9706811A BR 9706811 A BR9706811 A BR 9706811A BR 9706811 A BR9706811 A BR 9706811A BR 9706811 A BR9706811 A BR 9706811A BR 9706811 A BR9706811 A BR 9706811A
Authority
BR
Brazil
Prior art keywords
telephony
audio
video conference
wire line
system apparatus
Prior art date
Application number
BR9706811A
Other languages
English (en)
Inventor
Timothy M Burke
Douglas J Newlin
Original Assignee
Motorola Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of BR9706811A publication Critical patent/BR9706811A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
    • H04N7/148—Interfacing a video terminal to a particular transmission medium, e.g. ISDN
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H04Q11/0435—Details
    • H04Q11/0457—Connection protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13003—Constructional details of switching devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13034—A/D conversion, code compression/expansion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13093—Personal computer, PC
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13097—Numbering, addressing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13103—Memory
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13107—Control equipment for a part of the connection, distributed control, co-processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13176—Common channel signaling, CCS7
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/1319—Amplifier, attenuation circuit, echo suppressor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13204—Protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13209—ISDN
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13214—Clock signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/1324—Conference call
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/1332—Logic circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13332—Broadband, CATV, dynamic bandwidth allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13337—Picturephone, videotelephony
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13396—Signaling in general, in-band signalling

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Telephonic Communication Services (AREA)
BR9706811A 1996-10-03 1997-10-01 Aparelho processo e sistema para telefonia e conferéncia de áudio e védeo com linha de fios BR9706811A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US72560296A 1996-10-03 1996-10-03
PCT/US1997/017869 WO1998015123A1 (en) 1996-10-03 1997-10-01 Apparatus, method and system for wireline audio and video conferencing and telephony

Publications (1)

Publication Number Publication Date
BR9706811A true BR9706811A (pt) 1999-07-20

Family

ID=24915229

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9706811A BR9706811A (pt) 1996-10-03 1997-10-01 Aparelho processo e sistema para telefonia e conferéncia de áudio e védeo com linha de fios

Country Status (5)

Country Link
AU (1) AU4894297A (pt)
BR (1) BR9706811A (pt)
DE (1) DE19744108A1 (pt)
GB (1) GB2318022A (pt)
WO (1) WO1998015123A1 (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104767962B (zh) 2015-01-16 2019-02-15 京东方科技集团股份有限公司 多用途会议终端和多用途会议系统

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5493609A (en) * 1990-09-27 1996-02-20 Radish Communications Systems, Inc. Telecommunication system for automatic switching between voice and data communications
US5396269A (en) * 1991-02-20 1995-03-07 Hitachi, Ltd. Television telephone
JPH0530502A (ja) * 1991-07-24 1993-02-05 Hitachi Ltd 一体型テレビ電話機
US5329308A (en) * 1992-07-29 1994-07-12 At&T Bell Laboratories Bidirectional video telephony between cable television and switched telephone systems
DE4229151A1 (de) * 1992-09-01 1994-03-03 Sel Alcatel Ag Vorrichtung zur Übertragung von Videosignalen und Audiosignalen über ein diensteintegrierendes Nachrichtennetz
US5565910A (en) * 1993-03-26 1996-10-15 Vionx, Inc. Data and television network for digital computer workstations
AU6814694A (en) * 1993-06-03 1995-01-03 Target Technologies, Inc. Videoconferencing system
WO1994030015A1 (en) * 1993-06-03 1994-12-22 Target Technologies, Inc. Data and television network for digital computer workstations
GB2281672A (en) * 1993-09-03 1995-03-08 Ibm Video conferencing system

Also Published As

Publication number Publication date
WO1998015123A1 (en) 1998-04-09
GB2318022A (en) 1998-04-08
GB9720973D0 (en) 1997-12-03
AU4894297A (en) 1998-04-24
DE19744108A1 (de) 1998-04-23

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Legal Events

Date Code Title Description
FA10 Dismissal: dismissal - article 33 of industrial property law
B11Y Definitive dismissal acc. article 33 of ipl - extension of time limit for request of examination expired