JPH0277959U - - Google Patents

Info

Publication number
JPH0277959U
JPH0277959U JP1989134804U JP13480489U JPH0277959U JP H0277959 U JPH0277959 U JP H0277959U JP 1989134804 U JP1989134804 U JP 1989134804U JP 13480489 U JP13480489 U JP 13480489U JP H0277959 U JPH0277959 U JP H0277959U
Authority
JP
Japan
Prior art keywords
communication system
port
bus
conference communication
common bus
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP1989134804U
Other languages
English (en)
Other versions
JPH0537573Y2 (ja
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 filed Critical
Publication of JPH0277959U publication Critical patent/JPH0277959U/ja
Application granted granted Critical
Publication of JPH0537573Y2 publication Critical patent/JPH0537573Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04Q11/0407—Selecting arrangements for multiplex systems for time-division multiplexing using a stored program control
    • 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
    • H04M3/561—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities by multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Description

【図面の簡単な説明】
第１図は分散形会議構成を示す広範なブロツク
図であり、第２図はシステムポートの構成を示す
ブロツク図であり、第３図は各システムポート内
の網処理素子のブロツク図であり、第４図は連想
会議バツフアの回路図であり、第５図はバス選択
レジスタの回路図であり、第６，７，８及び９図
は、内容によつてアドレス可能なメモリ、利得値
バツフア及びサンプルバツフアを詳細に示す回路
図であり、第１０図は第８図と第９図の配列法を
示す図であり、第１１図は入力バスと出力バスと
の間のタイムスロツト入替え機能の動作を示す図
であり、そして第１２図は２重アクセスメモリを
制御するためのタイミング表を示す図である。 図面の主要部分の符号の説明、第１のバス……
第３図の３２１、第２のバス……第３図の８１１
、メモリバツフア……第４図の４００、第１のバ
ツフア……第４図の６００、第２のバツフア……
第４図の７００、第３のバツフア……第４図の８
００、関連をとる手段……第４図の７０１及び７
０５、第１の回路……第３図の３１０、選択手段
……第３図の８０１。

Claims (1)

  1. 【実用新案登録請求の範囲】 １ 共通バス（ＢＵＳ Ａ、ＢＵＳ Ｂ）により
    取り扱われるポート群（２０１―１…２０１―Ｎ
    ）間で会議通信を行うシステムにおいて、 該共通バスに関し複数のタイムスロツトを設定
    する手段であつて、該タイムスロツト各々は該ポ
    ートの一なるものからの単一のサンプルが該一な
    るポートによつて該共通バス上に置かれ１つ若し
    くはそれ以上の他のポートにより該共通バスから
    抽出される時間期間を規定するものであるタイム
    スロツト設定手段１００、及び、 該共通バスからサンプルを抽出し又は該共通バ
    ス上に信号サンプルを置く機能を行うための該ポ
    ート各々に関連したポート制御回路（３００―１
    …３００―Ｎ）とを含み、 該ポート制御回路が、 通信接続期間該関連のポートに向けられたタイ
    ムスロツトの識別子を一時的に蓄積する手段６０
    ０、 該抽出されたサンプル各々に関し固有の利得調
    節値を一時的に蓄積する手段７００、 該割当てられた利得調節値の制御の下に該抽出
    された信号サンプルを修正する手段３３１、及び
    、 該修正されたサンプルの全てを含む結合された
    サンプルを該関連のポートに提供する手段（３０
    １―２，３０２―２，３０３―２，３０４―２）
    からなる会議通信システム。 ２ 実用新案登録請求の範囲第１項に記載の会議
    通信システムにおいて、 該タイムスロツト識別子蓄積手段は、内容によ
    りアドレス可能なメモリである会議通信システム
    。 ３ 実用新案登録請求の範囲第１項に記載の会議
    通信システムにおいて、 該修正手段はカウンタ３１０を含むものである
    会議通信システム。 ４ 実用新案登録請求の範囲第３項に記載の会議
    通信システムにおいて、 該ポート群の各ポートに局所的な第２のバス８
    １１が含まれている会議通信システム。 ５ 実用新案登録請求の範囲第４項に記載の会議
    通信システムにおいて、 該第２のバスは蓄積された利得調節値と抽出さ
    れたサンプルを該カウンタの制御の下に該修正手
    段に提供している会議通信システム。
JP1989134804U 1981-04-23 1989-11-20 Expired - Lifetime JPH0537573Y2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/256,937 US4389720A (en) 1981-04-23 1981-04-23 Distributed digital conferencing system

Publications (2)

Publication Number Publication Date
JPH0277959U true JPH0277959U (ja) 1990-06-14
JPH0537573Y2 JPH0537573Y2 (ja) 1993-09-22

Family

ID=22974216

Family Applications (2)

Application Number Title Priority Date Filing Date
JP57067538A Pending JPS57206191A (en) 1981-04-23 1982-04-23 Memory buffer
JP1989134804U Expired - Lifetime JPH0537573Y2 (ja) 1981-04-23 1989-11-20

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP57067538A Pending JPS57206191A (en) 1981-04-23 1982-04-23 Memory buffer

Country Status (16)

Country Link
US (1) US4389720A (ja)
JP (2) JPS57206191A (ja)
AU (1) AU547542B2 (ja)
BE (1) BE892930A (ja)
CA (1) CA1166365A (ja)
CH (1) CH636488A5 (ja)
DE (1) DE3214152A1 (ja)
ES (1) ES511599A0 (ja)
FR (1) FR2504762A1 (ja)
GB (1) GB2097634B (ja)
HK (1) HK7186A (ja)
IE (1) IE52881B1 (ja)
IL (1) IL65532A (ja)
IT (1) IT1206096B (ja)
NL (1) NL189590C (ja)
SE (1) SE445870B (ja)

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US4499578A (en) * 1982-05-27 1985-02-12 At&T Bell Laboratories Method and apparatus for controlling signal level in a digital conference arrangement
US4499577A (en) * 1982-10-18 1985-02-12 At&T Bell Laboratories Linear time division multiplexed conferencer for data transfer applications
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US4535448A (en) * 1982-12-10 1985-08-13 At&T Bell Laboratories Dual bus communication system
US4853956A (en) * 1983-05-20 1989-08-01 American Telephone And Telegraph Company Communication system distributed processing message delivery system
US4547878A (en) * 1983-06-28 1985-10-15 Rockwell International Corporation Non-linear adder
US4535454A (en) * 1983-09-15 1985-08-13 At&T Information Systems Inc. Multifrequency tone distribution using a conferencing arrangement
US4558180A (en) * 1983-10-25 1985-12-10 At&T Bell Laboratories Programmable audio mixer
US4788657A (en) * 1983-12-27 1988-11-29 American Telephone And Telegraph Company Communication system having reconfigurable data terminals
GB2157129A (en) * 1984-04-06 1985-10-16 Standard Telephones Cables Ltd Conference circuit
US4577310A (en) * 1984-05-16 1986-03-18 Tie/Communications, Inc. Station interface for digital electronic telephone switching system having centralized digital audio processor
US4606021A (en) * 1984-08-17 1986-08-12 Itt Corporation Digital conference circuit
US4640992A (en) * 1984-09-10 1987-02-03 At&T Information Systems Inc. Speech response interface circuit
EP0185936B1 (de) * 1984-12-14 1993-01-13 Alcatel N.V. Schnittstellenbaustein zur Verbindung von Datenquellen mit Datensenken und Vermittlungssysteme mit solchen Schnittstellenbausteinen
US4639910A (en) * 1984-12-14 1987-01-27 Itt Corporation Apparatus for establishing communication paths
US4809270A (en) * 1984-12-21 1989-02-28 AT&T Information Systems Inc. American Telephone and Telegraph Company Variable time slot communication system
US4654845A (en) * 1985-03-18 1987-03-31 At&T Parallel call processing system and method
US4653090A (en) * 1985-12-16 1987-03-24 American Telephone & Telegraph (At&T) Graphics based call management
US4852085A (en) * 1986-05-02 1989-07-25 Datos Corporation Expandable digital switching matrix with fault-tolerance and minimum delay time
US4817086A (en) * 1986-08-27 1989-03-28 American Telephone And Telegraph Company Integrated switching system and announcement circuit
US4805094A (en) * 1986-08-27 1989-02-14 American Telephone & Telegraph Company Multi-channel memory access circuit
US4791660A (en) * 1986-08-27 1988-12-13 American Telephone And Telegraph Company Variable data compression announcement circuit
US4797877A (en) * 1986-12-18 1989-01-10 American Telephone And Telegraph Company Communication system dynamic conferencer circuit
JPH02131646A (ja) * 1988-11-11 1990-05-21 Mitsubishi Electric Corp 通信制御装置
US4962497A (en) * 1989-09-21 1990-10-09 At&T Bell Laboratories Building-block architecture of a multi-node circuit-and packet-switching system
US5093827A (en) * 1989-09-21 1992-03-03 At&T Bell Laboratories Control architecture of a multi-node circuit- and packet-switching system
JPH03166894A (ja) * 1989-11-27 1991-07-18 Matsushita Electric Ind Co Ltd ボタン電話装置
AU642220B2 (en) * 1990-03-07 1993-10-14 Telstra Corporation Limited A telecommunications device
US5420860A (en) * 1990-06-18 1995-05-30 Intelect, Inc. Volume control for digital communication system
US5276678A (en) * 1990-06-18 1994-01-04 Intelect, Inc. Distributed switching and telephone conferencing system
US5127001A (en) * 1990-06-22 1992-06-30 Unisys Corporation Conference call arrangement for distributed network
CA2077061C (en) * 1991-11-22 1998-04-21 Mark J. Baugher Scheduling system for distributed multimedia resources
CA2095755C (en) * 1992-08-17 1999-01-26 Mark J. Baugher Network priority management
GB2284968A (en) * 1993-12-18 1995-06-21 Ibm Audio conferencing system
US7058067B1 (en) 1995-03-13 2006-06-06 Cisco Technology, Inc. Distributed interactive multimedia system architecture
US5838683A (en) 1995-03-13 1998-11-17 Selsius Systems Inc. Distributed interactive multimedia system architecture
US5564027A (en) * 1995-04-20 1996-10-08 International Business Machines Corporation Low latency cadence selectable interface for data transfers between busses of differing frequencies
US5867484A (en) * 1997-01-31 1999-02-02 Intellect Network Technologies Switchable multi-drop video distribution system
US6181707B1 (en) 1997-04-04 2001-01-30 Clear Com Intercom system having unified control and audio data transport
US7085237B1 (en) 2000-03-31 2006-08-01 Alcatel Method and apparatus for routing alarms in a signaling server
US6977926B1 (en) * 2000-03-31 2005-12-20 Alcatel Method and system for providing a feedback signal in a telecommunications network
US7209492B2 (en) * 2002-04-15 2007-04-24 Alcatel DSO timing source transient compensation
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US8014418B2 (en) * 2006-09-25 2011-09-06 Intel Corporation Allocating burst data units to available time-slots
US8311085B2 (en) 2009-04-14 2012-11-13 Clear-Com Llc Digital intercom network over DC-powered microphone cable
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Also Published As

Publication number Publication date
ES8308189A1 (es) 1983-08-01
US4389720A (en) 1983-06-21
CA1166365A (en) 1984-04-24
NL189590C (nl) 1993-05-17
SE8202235L (sv) 1982-10-24
AU8293482A (en) 1982-10-28
IT1206096B (it) 1989-04-14
IL65532A (en) 1985-03-31
GB2097634B (en) 1984-11-21
IE820950L (en) 1982-10-23
ES511599A0 (es) 1983-08-01
JPH0537573Y2 (ja) 1993-09-22
FR2504762B1 (ja) 1984-04-06
NL8201679A (nl) 1982-11-16
BE892930A (fr) 1982-08-16
JPS57206191A (en) 1982-12-17
HK7186A (en) 1986-02-07
IL65532A0 (en) 1982-07-30
IT8220886A0 (it) 1982-04-22
IE52881B1 (en) 1988-03-30
NL189590B (nl) 1992-12-16
SE445870B (sv) 1986-07-21
DE3214152C2 (ja) 1987-06-19
AU547542B2 (en) 1985-10-24
DE3214152A1 (de) 1982-11-11
CH636488A5 (de) 1983-05-31
FR2504762A1 (fr) 1982-10-29
GB2097634A (en) 1982-11-03

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