CA2026638A1 - Unite d'acces pour reseau local - Google Patents

Unite d'acces pour reseau local

Info

Publication number
CA2026638A1
CA2026638A1 CA2026638A CA2026638A CA2026638A1 CA 2026638 A1 CA2026638 A1 CA 2026638A1 CA 2026638 A CA2026638 A CA 2026638A CA 2026638 A CA2026638 A CA 2026638A CA 2026638 A1 CA2026638 A1 CA 2026638A1
Authority
CA
Canada
Prior art keywords
signal
access unit
circuit
relay
concentrator
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
CA2026638A
Other languages
English (en)
Other versions
CA2026638C (fr
Inventor
Toshiyuki Nishikawa
Hiroshi Ishihara
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.)
Mitsubishi Cable Industries Ltd
Original Assignee
Mitsubishi Cable Industries 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 Mitsubishi Cable Industries Ltd filed Critical Mitsubishi Cable Industries Ltd
Publication of CA2026638A1 publication Critical patent/CA2026638A1/fr
Application granted granted Critical
Publication of CA2026638C publication Critical patent/CA2026638C/fr
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
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/42—Loop networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)
CA 2026638 1989-10-06 1990-10-01 Unite d'acces pour reseau local Expired - Fee Related CA2026638C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP26274489A JPH06103887B2 (ja) 1989-10-06 1989-10-06 ローカルエリアネットワークのアクセスユニット
JPP1-262744 1989-10-06

Publications (2)

Publication Number Publication Date
CA2026638A1 true CA2026638A1 (fr) 1991-04-07
CA2026638C CA2026638C (fr) 1998-08-18

Family

ID=17379982

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2026638 Expired - Fee Related CA2026638C (fr) 1989-10-06 1990-10-01 Unite d'acces pour reseau local

Country Status (3)

Country Link
US (1) US5179291A (fr)
JP (1) JPH06103887B2 (fr)
CA (1) CA2026638C (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2968309B2 (ja) * 1990-05-18 1999-10-25 三菱電線工業株式会社 Ｌａｎのアクセスユニット
US5394401A (en) * 1993-04-14 1995-02-28 Digital Equipment Corporation Arrangement for a token ring communications network
JPH07154389A (ja) * 1993-07-28 1995-06-16 Internatl Business Mach Corp <Ibm> データ・ポート・エクスパンダ
WO1999053627A1 (fr) 1998-04-10 1999-10-21 Chrimar Systems, Inc. Doing Business As Cms Technologies Systeme de communication avec un equipement electronique sur un reseau
US7149067B2 (en) * 2003-12-18 2006-12-12 Eaton Corportion Automatic voltage device and network protector incorporating same
WO2007122703A1 (fr) * 2006-04-19 2007-11-01 Mitsubishi Denki Kabushiki Kaisha Relais a maximum d'intensite et son procede de fonctionnement
EP3210564B1 (fr) 2011-05-19 2020-07-29 W & H Dentalwerk Bürmoos GmbH Pièce à main médical, en particulier dentaire, avec un dispositif de mesure de température
JP5925881B2 (ja) 2011-05-19 2016-05-25 ヴェー ウント ハー デンタルヴェルク ビュールモース ゲーエムベーハー 温度測定手段を備えた医療用の、特に歯科医療用のハンドピース

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4567482A (en) * 1982-11-12 1986-01-28 The Babcock & Wilcox Company Bypass control for stations in a communication system
DE3578905D1 (de) * 1985-04-23 1990-08-30 Ibm Nebenanschlussanordnung und verfahren zum stationsanschliessen fuer ein ringkommunikationssystem.
US4701630A (en) * 1985-06-27 1987-10-20 International Business Machines Corp. Local area network station connector
GB8709771D0 (en) * 1987-04-24 1987-05-28 Madge Networks Ltd Token ring expander/hub
JPH0693692B2 (ja) * 1988-12-21 1994-11-16 三菱電線工業株式会社 ループ型ローカルエリアネットワークの集線装置

Also Published As

Publication number Publication date
CA2026638C (fr) 1998-08-18
JPH06103887B2 (ja) 1994-12-14
US5179291A (en) 1993-01-12
JPH03123234A (ja) 1991-05-27

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed