DE69123773D1 - Datenübertragungsanlage mit Doppelleitung - Google Patents

Datenübertragungsanlage mit Doppelleitung

Info

Publication number
DE69123773D1
DE69123773D1 DE69123773T DE69123773T DE69123773D1 DE 69123773 D1 DE69123773 D1 DE 69123773D1 DE 69123773 T DE69123773 T DE 69123773T DE 69123773 T DE69123773 T DE 69123773T DE 69123773 D1 DE69123773 D1 DE 69123773D1
Authority
DE
Germany
Prior art keywords
data transmission
transmission system
double line
double
line
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
DE69123773T
Other languages
English (en)
Other versions
DE69123773T2 (de
Inventor
Shigehiro Shino
Kazuhiko Uemura
Kiyoshi Kurashita
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.)
Idec Izumi Corp
Original Assignee
Idec Izumi Corp
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
Priority claimed from JP9104890A external-priority patent/JP2804339B2/ja
Application filed by Idec Izumi Corp filed Critical Idec Izumi Corp
Publication of DE69123773D1 publication Critical patent/DE69123773D1/de
Application granted granted Critical
Publication of DE69123773T2 publication Critical patent/DE69123773T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B26/00—Alarm systems in which substations are interrogated in succession by a central station
    • G08B26/005—Alarm systems in which substations are interrogated in succession by a central station with substations connected in series, e.g. cascade
DE69123773T 1990-04-04 1991-04-03 Datenübertragungsanlage mit Doppelleitung Expired - Fee Related DE69123773T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9104890A JP2804339B2 (ja) 1989-04-04 1990-04-04 伝送ユニット

Publications (2)

Publication Number Publication Date
DE69123773D1 true DE69123773D1 (de) 1997-02-06
DE69123773T2 DE69123773T2 (de) 1997-05-22

Family

ID=14015621

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69123773T Expired - Fee Related DE69123773T2 (de) 1990-04-04 1991-04-03 Datenübertragungsanlage mit Doppelleitung

Country Status (3)

Country Link
US (1) US5140622A (de)
EP (1) EP0450930B1 (de)
DE (1) DE69123773T2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0501771A1 (de) * 1991-02-25 1992-09-02 Nihon Protech System Co., Ltd. Informationsübertragungssystem
US5396124A (en) * 1992-09-30 1995-03-07 Matsushita Electric Industrial Co., Ltd. Circuit redundancy having a variable impedance circuit
JP3439507B2 (ja) * 1993-10-26 2003-08-25 能美防災株式会社 火災報知設備
US5862411A (en) * 1996-06-10 1999-01-19 Allen Bradley Company, Inc. System using a variable timer to optimally adjust issuing a start data collection signal at near the beginning of data transmission signal
FI116805B (fi) * 2002-10-04 2006-02-28 Kone Oyj Signalointimenetelmä ja signalointijärjestely
JP7005335B2 (ja) 2017-12-22 2022-01-21 キヤノン株式会社 センサ制御装置
JP7171411B2 (ja) * 2017-12-22 2022-11-15 キヤノン株式会社 センサ制御装置、画像形成装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3967259A (en) * 1971-04-07 1976-06-29 La Detection Electronique Francaise Protecbat Security system with plural sensors connected in parallel across the transmission line
US4172252A (en) * 1977-06-15 1979-10-23 Pan Data Ab Monitoring arrangement for monitoring a change from a normal condition of any one of a plurality of condition sensing devices
US4468746A (en) * 1981-12-01 1984-08-28 Cincinnati Electronics Corporation Apparatus for determining interval between two events
GB2117150B (en) * 1982-02-26 1986-03-19 Morrison John M Intruder alarm system
CH664637A5 (de) * 1982-04-28 1988-03-15 Cerberus Ag Verfahren zur uebertragung von messwerten in einem ueberwachungssystem.
FR2526190B1 (fr) * 1982-04-30 1985-11-08 Europ Teletransmission Procede de protection d'un systeme de telesurveillance contre un sabotage et systeme mettant en oeuvre ce procede
DE3225081A1 (de) * 1982-07-05 1984-01-12 Siemens AG, 1000 Berlin und 8000 München Verfahren und einrichtung zur automatischen abfrage des meldermesswerts und der melderkennung in einer gefahrenmeldeanlage
GB2131991B (en) * 1982-11-12 1986-05-29 Robert Philp Telemetry and like signaling systems
US4603318A (en) * 1983-11-14 1986-07-29 Philp Robert J Telemetry and like signaling systems
US4745398A (en) * 1987-02-09 1988-05-17 Sentrol, Inc. Self-powered sensor for use in closed-loop security system

Also Published As

Publication number Publication date
US5140622A (en) 1992-08-18
DE69123773T2 (de) 1997-05-22
EP0450930A3 (en) 1992-12-23
EP0450930A2 (de) 1991-10-09
EP0450930B1 (de) 1996-12-27

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Legal Events

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