DE69027375D1 - Mehrpunkt-Datenübertragungssystem mit der Funktion zur Neuinitialisierung der darin eingesetzten Modems und Neuinitialisierungsverfahren der Modems - Google Patents

Mehrpunkt-Datenübertragungssystem mit der Funktion zur Neuinitialisierung der darin eingesetzten Modems und Neuinitialisierungsverfahren der Modems

Info

Publication number
DE69027375D1
DE69027375D1 DE69027375T DE69027375T DE69027375D1 DE 69027375 D1 DE69027375 D1 DE 69027375D1 DE 69027375 T DE69027375 T DE 69027375T DE 69027375 T DE69027375 T DE 69027375T DE 69027375 D1 DE69027375 D1 DE 69027375D1
Authority
DE
Germany
Prior art keywords
initializing
modems
function
data transmission
transmission system
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.)
Expired - Fee Related
Application number
DE69027375T
Other languages
English (en)
Other versions
DE69027375T2 (de
Inventor
Tohru Ogawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE69027375D1 publication Critical patent/DE69027375D1/de
Publication of DE69027375T2 publication Critical patent/DE69027375T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/24—Testing correct operation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H04L1/206—Arrangements for detecting or preventing errors in the information received using signal quality detector for modulated signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Radio Relay Systems (AREA)
  • Small-Scale Networks (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
DE69027375T 1989-07-21 1990-07-20 Mehrpunkt-Datenübertragungssystem mit der Funktion zur Neuinitialisierung der darin eingesetzten Modems und Neuinitialisierungsverfahren der Modems Expired - Fee Related DE69027375T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1189592A JP2682703B2 (ja) 1989-07-21 1989-07-21 マルチポイント接続モデムのリトレーニング方式

Publications (2)

Publication Number Publication Date
DE69027375D1 true DE69027375D1 (de) 1996-07-18
DE69027375T2 DE69027375T2 (de) 1996-11-14

Family

ID=16243895

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69027375T Expired - Fee Related DE69027375T2 (de) 1989-07-21 1990-07-20 Mehrpunkt-Datenübertragungssystem mit der Funktion zur Neuinitialisierung der darin eingesetzten Modems und Neuinitialisierungsverfahren der Modems

Country Status (5)

Country Link
US (1) US5321722A (de)
EP (1) EP0409641B1 (de)
JP (1) JP2682703B2 (de)
CA (1) CA2021539C (de)
DE (1) DE69027375T2 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2901392B2 (ja) * 1991-07-24 1999-06-07 日本電気株式会社 送受信システム
JPH0563687A (ja) * 1991-08-29 1993-03-12 Nec Corp 回線品質自動診断機能付変復調装置
JPH05316063A (ja) * 1992-05-12 1993-11-26 Fujitsu Ltd 周波数多重モデムの多重制御方式
US5504802A (en) * 1993-08-09 1996-04-02 Motorola, Inc. Communication system apparatus for transmitting and receiving data having a radio wireline interface
FI93914C (fi) * 1993-08-27 1995-06-12 Nokia Telecommunications Oy Menetelmä modeemiyhteyden ohjaamiseksi häiriötilanteessa
CA2185126C (en) * 1994-03-09 2005-09-27 Michael Rodney Walker Method and apparatus for decreasing modem retraining due to blank and burst signalling in analog cellular systems
US6188720B1 (en) * 1995-05-12 2001-02-13 Itt Manufacturing Enterprises, Inc. Modulation and signaling converter
US5903603A (en) * 1997-01-27 1999-05-11 Motorola, Inc. Modem training apparatus and method
US6735245B1 (en) 1998-01-09 2004-05-11 Panasonic Communications Co., Ltd. Activation of multiple XDSL modems with channel probe
US6873652B1 (en) * 1998-04-01 2005-03-29 Panasonic Communications Co., Ltd. Activation of multiple xDSL modems with implicit channel probe
US6574239B1 (en) * 1998-10-07 2003-06-03 Eric Morgan Dowling Virtual connection of a remote unit to a server
JP3087741B2 (ja) 1998-11-04 2000-09-11 日本電気株式会社 マイクロマシンスイッチ
JP2000200533A (ja) 1999-01-07 2000-07-18 Nec Corp マイクロマシンスイッチ
US6950459B1 (en) * 1999-01-08 2005-09-27 Panasonic Communications Co., Ltd. Activation of multiple xDSL modems with half duplex and full duplex procedures
US6819749B1 (en) 1999-04-12 2004-11-16 Mindspeed Technologies, Inc. Method and apparatus for fast V.90 modem startup
US6912276B1 (en) 1999-04-12 2005-06-28 Silicon Laboratories, Inc. Modem on hold
US6731726B1 (en) 1999-04-12 2004-05-04 Conexant Systems, Inc. Communication on hold
US6704399B1 (en) 1999-04-12 2004-03-09 Conexant Systems, Inc. Quick connect parameter exchange
US6690776B1 (en) 1999-04-12 2004-02-10 Conexant Systems, Inc. Communication on hold notifier
USRE42661E1 (en) 1999-04-12 2011-08-30 V-Dot Technologies, Llc Method and apparatus for fast V.90 modem startup
WO2000067385A1 (en) * 1999-05-05 2000-11-09 Matsushita Graphic Communication Systems, Inc. ACTIVATION OF MULTIPLE xDSL MODEMS WITH POWER CONTROL MEASUREMENT
US6751254B1 (en) * 1999-05-05 2004-06-15 Panasonic Communications Co., Ltd. Activation of multiple xDSL modems with power control measurement
US6694470B1 (en) 1999-05-21 2004-02-17 Panasonic Communications Co., Ltd. Retransmission procedure and apparatus for handshaking protocol
WO2001008376A1 (en) * 1999-07-27 2001-02-01 Conexant Systems, Inc. Signaling mechanism for modem connection holding and reconnecting
WO2001008373A2 (en) * 1999-07-27 2001-02-01 Conexant Systems, Inc. Fast connect, quick reconnect and connection on hold mechanism
US6574308B1 (en) * 2000-05-09 2003-06-03 Paradyne Corporation Digital subscriber line diagnostic system
KR20010035236A (ko) * 2001-01-20 2001-05-07 고맹규 위성 통신용 양방향 무선 모뎀
US7782933B2 (en) * 2001-05-08 2010-08-24 Alistair Malcolm Macdonald Digital subscriber line diagnostic system
KR100467587B1 (ko) * 2002-06-07 2005-01-24 삼성전자주식회사 팩시 밀리의 자기 진단 방법 및 이 방법을 수행하는팩시밀리
FR2884992B1 (fr) * 2005-04-22 2007-06-08 Thales Sa Procede de synchronisation et d'asservissement dans les systemes de communications sans fil
KR100728220B1 (ko) * 2005-09-29 2007-06-13 한국전자통신연구원 위성 관제 시스템의 고장 진단 처리 장치 및 그 방법
JP4438742B2 (ja) 2005-12-16 2010-03-24 ブラザー工業株式会社 通信装置
CN109483547B (zh) * 2018-12-20 2021-03-02 合肥欣奕华智能机器有限公司 一种机器人控制系统、机器人异常信号检测方法及机器人
CN109951195B (zh) * 2019-03-21 2023-11-03 深圳市橙子数字科技有限公司 一种电子设备、信号调制传输装置及其信号调制传输电路
CN113671893A (zh) * 2021-08-20 2021-11-19 四川润昌机电工程有限公司 一种用于分散设备环境下的集中控制系统及控制方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1522663A (en) * 1975-07-11 1978-08-23 Milgo Electronic Corp Data modems with automatic equalization drop-out detection and data echo protection
GB1605059A (en) * 1977-06-06 1981-12-16 Racal Milgo Inc Modem test and monitoring apparatus
JPS59246A (ja) * 1982-06-17 1984-01-05 Fujitsu Ltd トレ−ニング方式
EP0211995B1 (de) * 1985-08-28 1989-11-15 International Business Machines Corporation Verfahren und Vorrichtung, um die Anwesenheit eines Festfolgesignals in einem Modem-Empfänger festzustellen
JPH0773240B2 (ja) * 1985-12-13 1995-08-02 日本電気株式会社 自動再トレ−ニング方式
JPH06103876B2 (ja) * 1986-06-23 1994-12-14 日本電気株式会社 オ−トマテイツク・フオ−ルバツクおよびリストア方式
US4815105A (en) * 1987-04-07 1989-03-21 Paradyne Corporation Selective signalling encoder/decoder for multipoint data communication networks
GB8800739D0 (en) * 1988-01-13 1988-02-10 Ncr Co Multipoint modem system having fast synchronization
US4956852A (en) * 1988-08-30 1990-09-11 Universal Data Systems, Inc. Method for remote configuration of a modem
US4910754A (en) * 1988-09-30 1990-03-20 Data General Corporation Initialization and synchronization method for a two-way communication link

Also Published As

Publication number Publication date
EP0409641B1 (de) 1996-06-12
EP0409641A3 (en) 1992-01-08
CA2021539A1 (en) 1991-01-22
EP0409641A2 (de) 1991-01-23
DE69027375T2 (de) 1996-11-14
CA2021539C (en) 1996-04-02
JP2682703B2 (ja) 1997-11-26
US5321722A (en) 1994-06-14
JPH0353731A (ja) 1991-03-07

Similar Documents

Publication Publication Date Title
DE69027375D1 (de) Mehrpunkt-Datenübertragungssystem mit der Funktion zur Neuinitialisierung der darin eingesetzten Modems und Neuinitialisierungsverfahren der Modems
DE69027584D1 (de) Vorrichtung zur Datenvermittlung
DE69328005D1 (de) Vorrichtung zur Datenübertragung
DE69033679T2 (de) Datenübertragungsadaptervorrichtung
DE68918173D1 (de) Verfahren und Gerät zur Übertragung von Daten.
DE3751608D1 (de) Serielles Busschnittstellensystem zur Datenübertragung mit einer Zweidrahtleitung als Taktbus und Datenbus.
DE3853873D1 (de) Übertragungssystem mit Sendeaufruf und Übertragungsverfahren dafür.
DE69032366T2 (de) Datenübertragungsverfahren
FI911378A0 (fi) Ic-kortsystem med en funktion foer verifikation av foerstoerd data.
DE69215320D1 (de) Vorrichtung zur Probenentnahme im Bohrloch
DE69029101D1 (de) Antriebskraftübertragungsvorrichtung
DE3789145D1 (de) Einrichtung zur Datenübertragung in einem Bohrloch mit einem magnetischen Bohrgestänge.
DE69004950D1 (de) Vorrichtung zur progressiven bohrung mit durchflussbegrenzungssystem.
DK211790D0 (da) Datatransmissionssystem
DE69024765D1 (de) Datenübertragungssystem
DE69223221D1 (de) Datenverarbeitungssystem mit geteilter nicht-linearer Funktion
DE69011370D1 (de) Vorrichtung zur Tonhöhenverschiebung.
DE3675373D1 (de) Entwicklungsgeraet und bilderzeugungsgeraet mit einer derartigen vorrichtung.
DE69028377D1 (de) Gerät zur Übertragung zwischen elektronischen Systemen
DE69230609D1 (de) Vorrichtung zur Datenübertragung und System zur Codeübertragung
GB2228362B (en) Data transmission system
DE3853118D1 (de) Verfahren und Vorrichtung zur Datenübertragung.
DE3878308D1 (de) Uebertragungseinrichtung und sternschaltung zur verwendung in einer solchen uebertragungseinrichtung und einrichtung mit einer solchen schaltung.
DE68919333D1 (de) Datenübertragungsvorrichtung.
DE69018300D1 (de) Überwachungsschaltung und mit einer solchen Schaltung ausgerüstete Datenübertragungseinrichtung.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee