SE374970B - - Google Patents

Info

Publication number
SE374970B
SE374970B SE327772A SE327772A SE374970B SE 374970 B SE374970 B SE 374970B SE 327772 A SE327772 A SE 327772A SE 327772 A SE327772 A SE 327772A SE 374970 B SE374970 B SE 374970B
Authority
SE
Sweden
Application number
SE327772A
Inventor
L R Isheden
A E Sandlin
C A Hagland
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
Priority to SE327772A priority Critical patent/SE374970B/xx
Priority to GB1160373A priority patent/GB1419137A/en
Priority to FR7308933A priority patent/FR2176004B1/fr
Priority to IT2155273A priority patent/IT981362B/it
Priority to NO101773A priority patent/NO132448C/no
Priority to BR181473A priority patent/BR7301814D0/pt
Publication of SE374970B publication Critical patent/SE374970B/xx

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
    • G08B26/001—Alarm systems in which substations are interrogated in succession by a central station with individual interrogation of substations connected in parallel
    • G08B26/003—Alarm systems in which substations are interrogated in succession by a central station with individual interrogation of substations connected in parallel replying the identity and the state of the sensor
    • 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

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
SE327772A 1972-03-15 1972-03-15 SE374970B (xx)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE327772A SE374970B (xx) 1972-03-15 1972-03-15
GB1160373A GB1419137A (en) 1972-03-15 1973-03-09 Signal transmission systems
FR7308933A FR2176004B1 (xx) 1972-03-15 1973-03-13
IT2155273A IT981362B (it) 1972-03-15 1973-03-13 Sistema di telegrafia in caso d incendio
NO101773A NO132448C (xx) 1972-03-15 1973-03-14
BR181473A BR7301814D0 (pt) 1972-03-15 1973-03-14 Uma rede de transmissao

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE327772A SE374970B (xx) 1972-03-15 1972-03-15

Publications (1)

Publication Number Publication Date
SE374970B true SE374970B (xx) 1975-03-24

Family

ID=20261764

Family Applications (1)

Application Number Title Priority Date Filing Date
SE327772A SE374970B (xx) 1972-03-15 1972-03-15

Country Status (6)

Country Link
BR (1) BR7301814D0 (xx)
FR (1) FR2176004B1 (xx)
GB (1) GB1419137A (xx)
IT (1) IT981362B (xx)
NO (1) NO132448C (xx)
SE (1) SE374970B (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54118199A (en) * 1978-03-07 1979-09-13 Hochiki Co Information transmitter
CH651688A5 (de) * 1980-06-23 1985-09-30 Cerberus Ag Verfahren zur uebertragung von messwerten in einer brandmeldeanlage und einrichtung zur durchfuehrung des verfahrens.
FR2688891A1 (fr) * 1981-04-03 1993-09-24 Thomson Csf Dispositif de test d'un groupement de recepteurs.
GB2173618B (en) * 1985-04-12 1988-09-14 Emi Ltd Alarm monitoring installation

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1264135A (fr) * 1959-06-19 1961-06-19 Int Standard Electric Corp Système de signalisation électrique
FR1389164A (fr) * 1963-03-04 1965-02-12 Perfectionnements apportés aux installations de surveillance de postes éloignés à partir d'un poste central
US3601806A (en) * 1969-06-23 1971-08-24 North American Rockwell Digital time multiplexed bidirectional communications system

Also Published As

Publication number Publication date
BR7301814D0 (pt) 1974-07-11
NO132448B (xx) 1975-08-04
FR2176004A1 (xx) 1973-10-26
GB1419137A (en) 1975-12-24
IT981362B (it) 1974-10-10
NO132448C (xx) 1975-11-12
FR2176004B1 (xx) 1976-09-10

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