NO120062B - - Google Patents

Download PDF

Info

Publication number
NO120062B
NO120062B NO46768A NO46768A NO120062B NO 120062 B NO120062 B NO 120062B NO 46768 A NO46768 A NO 46768A NO 46768 A NO46768 A NO 46768A NO 120062 B NO120062 B NO 120062B
Authority
NO
Norway
Prior art keywords
relay
signal receiver
receiver equipment
series
information
Prior art date
Application number
NO46768A
Other languages
English (en)
Norwegian (no)
Inventor
I Grundin
H Hjelm
G Tingloef
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of NO120062B publication Critical patent/NO120062B/no

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/02Monitoring continuously signalling or alarm systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire Alarms (AREA)
  • Alarm Systems (AREA)
NO46768A 1967-03-01 1968-02-06 NO120062B (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE2776/67A SE318209B (fi) 1967-03-01 1967-03-01

Publications (1)

Publication Number Publication Date
NO120062B true NO120062B (fi) 1970-08-17

Family

ID=20260674

Family Applications (1)

Application Number Title Priority Date Filing Date
NO46768A NO120062B (fi) 1967-03-01 1968-02-06

Country Status (5)

Country Link
DE (1) DE1616212B1 (fi)
DK (1) DK119546C (fi)
FI (1) FI48881C (fi)
NO (1) NO120062B (fi)
SE (1) SE318209B (fi)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH210499A (de) * 1937-05-26 1940-07-15 Ici Ltd Verfahren zur Herstellung eines Monoazo-Farbstoffes.
DE959525C (de) * 1953-03-20 1957-03-07 Alfred R Schlosshauer Funktionskontrolle und Fehlermeldung an Schmiersystemen, die mit hydraulisch gesteuerten Schmiermittelverteilern arbeiten
DE1057505B (de) * 1953-08-19 1959-05-14 Scully Signal Co Verfahren und Einrichtung fuer die UEberwachung einer Anlage zur UEbertragung mechanischer oder elektrischer Signale

Also Published As

Publication number Publication date
FI48881B (fi) 1974-09-30
SE318209B (fi) 1969-12-01
DE1616212B1 (de) 1971-12-30
DK119546C (da) 1971-06-07
DK119546B (fi) 1971-01-18
FI48881C (fi) 1975-01-10

Similar Documents

Publication Publication Date Title
KR880009524A (ko) 모니터 시스템
NO120062B (fi)
JPS5698033A (en) Switching system of standby transmission line
US3148365A (en) Dual signal alarm device responsive to high frequency signals superimposed on a power line
US2900621A (en) Line selection system
JP2783001B2 (ja) 警報収集システム
US2164668A (en) Railway traffic controlling apparatus
JP3310375B2 (ja) 遠隔監視制御システム
SU991465A1 (ru) Устройство дл технологической сигнализации
US3821479A (en) Noninterfering electrical signaling
GB2097223A (en) Central control systems
KR910006896A (ko) 원격 조작장치
JPS598099B2 (ja) ル−プ状光伝送システムにおける端末局の端末局分離装置
SU128080A1 (ru) Устройство дл импульсной сигнализации
JP3032278B2 (ja) 火災報知設備における端末機器
SU113314A2 (ru) Способ кодовой двухпроводной частотной диспетчерской централизации и устройство дл осуществлени способа
JP3009950B2 (ja) 火災報知設備
SU1444716A1 (ru) Устройство дл контрол электромагнитного реле
JP3274734B2 (ja) 物体検知システム
JPS55165039A (en) Level monitor circuit for transmission line
SU468287A1 (ru) Устройство дл дистанционного контрол и управлени объектами
SU1125640A1 (ru) Устройство дл сигнализации
SU556968A1 (ru) Устройство телеблокировки выключателей фидеров контактной сети электрических железных дорог
JPH0235895A (ja) 遠隔監視制御システム
SU1019608A2 (ru) Устройство дл устранени дребезга контакта