ATE20982T1 - Verfahren und vorrichtung zur widerstandsmessung an einer meldeleitung. - Google Patents

Verfahren und vorrichtung zur widerstandsmessung an einer meldeleitung.

Info

Publication number
ATE20982T1
ATE20982T1 AT81108038T AT81108038T ATE20982T1 AT E20982 T1 ATE20982 T1 AT E20982T1 AT 81108038 T AT81108038 T AT 81108038T AT 81108038 T AT81108038 T AT 81108038T AT E20982 T1 ATE20982 T1 AT E20982T1
Authority
AT
Austria
Prior art keywords
capacitor
resistance value
signalling
signalling line
charged
Prior art date
Application number
AT81108038T
Other languages
English (en)
Inventor
Uwe Metzner
Peer Dr-Ing Thilo
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of ATE20982T1 publication Critical patent/ATE20982T1/de

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/018—Sensor coding by detecting magnitude of an electrical parameter, e.g. resistance

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Fire Alarms (AREA)
AT81108038T 1980-11-17 1981-10-07 Verfahren und vorrichtung zur widerstandsmessung an einer meldeleitung. ATE20982T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3043357A DE3043357C2 (de) 1980-11-17 1980-11-17 Verfahren und Vorrichtung zur Widerstandsmessung an einer Meldeleitung
EP81108038A EP0052220B1 (de) 1980-11-17 1981-10-07 Verfahren und Vorrichtung zur Widerstandsmessung an einer Meldeleitung

Publications (1)

Publication Number Publication Date
ATE20982T1 true ATE20982T1 (de) 1986-08-15

Family

ID=6117002

Family Applications (1)

Application Number Title Priority Date Filing Date
AT81108038T ATE20982T1 (de) 1980-11-17 1981-10-07 Verfahren und vorrichtung zur widerstandsmessung an einer meldeleitung.

Country Status (3)

Country Link
EP (1) EP0052220B1 (de)
AT (1) ATE20982T1 (de)
DE (1) DE3043357C2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2138187B (en) * 1983-04-08 1986-09-10 Morrison John M Burglar alarm system
ES2085388T3 (es) * 1991-08-30 1996-06-01 Siemens Ag Procedimiento para la transmision de datos binarios en un sistema de alarma de peligro.
ATE145080T1 (de) * 1991-08-30 1996-11-15 Siemens Ag Verfahren zur übertragung binärer daten in einem gefahrenmeldesystem
DE10051329C2 (de) † 2000-10-10 2003-12-11 Job Lizenz Gmbh & Co Kg Gefahrenmeldeanlage
DE102005029271B4 (de) * 2005-06-23 2008-12-04 Nokia Siemens Networks Gmbh & Co.Kg Verfahren und Einrichtung zur Bestimmung des Leckwiderstands von zumindest einer Ader einer mehrere Adern aufweisenden Teilnehmeranschlussleitung in einem Kommunikationsnetz
CN110927465B (zh) * 2019-11-26 2022-09-02 深圳供电局有限公司 直流电阻测量电路及装置
CN113433391B (zh) * 2021-06-18 2023-02-03 哈尔滨工业大学（深圳） 实现远端电压精确控制的电路、方法、系统及存储介质

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE402660B (sv) * 1970-11-12 1978-07-10 Securitas Int Ab Brandalarmanleggning
US3916405A (en) * 1973-03-07 1975-10-28 Motohiro Gotanda System for supervision of rooms or buildings
DE2716506A1 (de) * 1977-04-14 1978-10-19 Dieter Eberhard Vorrichtung zur bestimmung des alarmausloeseortes in alarmanlagen

Also Published As

Publication number Publication date
EP0052220B1 (de) 1986-07-23
DE3043357C2 (de) 1985-01-17
EP0052220A3 (en) 1982-09-29
DE3043357A1 (de) 1982-06-03
EP0052220A2 (de) 1982-05-26

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee