NO132448C - - Google Patents

Info

Publication number
NO132448C
NO132448C NO101773A NO101773A NO132448C NO 132448 C NO132448 C NO 132448C NO 101773 A NO101773 A NO 101773A NO 101773 A NO101773 A NO 101773A NO 132448 C NO132448 C NO 132448C
Authority
NO
Norway
Application number
NO101773A
Other languages
Norwegian (no)
Other versions
NO132448B (en:Method
Inventor
C A Hagland
L R Isheden
A E Sandlin
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 NO132448B publication Critical patent/NO132448B/no
Publication of NO132448C publication Critical patent/NO132448C/no

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B26/00Alarm systems in which substations are interrogated in succession by a central station
    • G08B26/001Alarm systems in which substations are interrogated in succession by a central station with individual interrogation of substations connected in parallel
    • G08B26/003Alarm 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
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B26/00Alarm 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)
NO101773A 1972-03-15 1973-03-14 NO132448C (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE327772A SE374970B (en:Method) 1972-03-15 1972-03-15

Publications (2)

Publication Number Publication Date
NO132448B NO132448B (en:Method) 1975-08-04
NO132448C true NO132448C (en:Method) 1975-11-12

Family

ID=20261764

Family Applications (1)

Application Number Title Priority Date Filing Date
NO101773A NO132448C (en:Method) 1972-03-15 1973-03-14

Country Status (6)

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

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
FR2176004A1 (en:Method) 1973-10-26
NO132448B (en:Method) 1975-08-04
SE374970B (en:Method) 1975-03-24
IT981362B (it) 1974-10-10
GB1419137A (en) 1975-12-24
FR2176004B1 (en:Method) 1976-09-10
BR7301814D0 (pt) 1974-07-11

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