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 SYSTEMS, e.g. PERSONAL 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
DE59107738D1 (de) * 1991-08-30 1996-05-30 Siemens Ag Verfahren zur Übertragung binärer Daten in einem Gefahrenmeldesystem
EP0529140B1 (de) * 1991-08-30 1996-11-06 Siemens Aktiengesellschaft 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
EP0052220A2 (de) 1982-05-26
EP0052220A3 (en) 1982-09-29
DE3043357C2 (de) 1985-01-17
EP0052220B1 (de) 1986-07-23
DE3043357A1 (de) 1982-06-03

Similar Documents

Publication Publication Date Title
US4020487A (en) Analog-to-digital converter employing common mode rejection circuit
US4264861A (en) Electronic ampere-hour meter
FR2325941A1 (fr) Dispositif de mesure de la resistance de terre d'un systeme a courant fort sans terre
US3983531A (en) Vehicle-responsive signal means
US4001561A (en) Device for measuring and indicating reading speed
ATE20982T1 (de) Verfahren und vorrichtung zur widerstandsmessung an einer meldeleitung.
JPS5651674A (en) Level detecting circuit
SE8104874L (sv) Forfarande och anordning for elektrisk vermemengdsmetning
US3781677A (en) Variable rate measuring device
ATE17532T1 (de) Verfahren und einrichtung zur automatischen abfrage des meldermesswerts und der melderkennung in einer gefahrenmeldeanlage.
GB1385290A (en) Measuring instrument
US3397305A (en) Method and apparatus for measuring vehicular traffic lane occupancy
FR2685780B1 (fr) Procede de mesure de l'etat de charge d'un generateur electro-chimique et dispositif mettant en óoeuvre ce procede.
US4242638A (en) Circuit for monitoring the square of the RMS value of a periodic signal
SU883874A1 (ru) Устройство дл контрол работы электромагнита
SU797616A3 (ru) Преобразователь частоты в напр жение
SU661355A1 (ru) Устройство дл измерени высоких напр жений
DE3147420C2 (de) Kraftfahrzeug-Motorprüfgerät
SU966628A1 (ru) Устройство дл контрол интегральных схем
JPS5682455A (en) High voltage direct current measuring apparatus
SU789973A1 (ru) Устройство дл сн ти характеристики динамической индуктивности
SU575668A1 (ru) Устройство дл контрол оборудовани
SU947772A1 (ru) Устройство дл измерени тока отпирани тиристора
SU464836A1 (ru) Устройство контрол тока намагничивани импульсных трансформаторов
FR2478856B1 (de)

Legal Events

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