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 versions
NO132448B (no
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 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE327772A SE374970B (no) 1972-03-15 1972-03-15

Publications (2)

Publication Number Publication Date
NO132448B NO132448B (no) 1975-08-04
NO132448C true NO132448C (no) 1975-11-12

Family

ID=20261764

Family Applications (1)

Application Number Title Priority Date Filing Date
NO101773A NO132448C (no) 1972-03-15 1973-03-14

Country Status (6)

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

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 (no) 1975-08-04
FR2176004A1 (no) 1973-10-26
SE374970B (no) 1975-03-24
GB1419137A (en) 1975-12-24
IT981362B (it) 1974-10-10
FR2176004B1 (no) 1976-09-10

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