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/en
Priority to BR181473A priority patent/BR7301814D0/en
Priority to NO101773A priority patent/NO132448C/no
Publication of SE374970B publication Critical patent/SE374970B/xx

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)
SE327772A 1972-03-15 1972-03-15 SE374970B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE327772A SE374970B (en) 1972-03-15 1972-03-15
GB1160373A GB1419137A (en) 1972-03-15 1973-03-09 Signal transmission systems
FR7308933A FR2176004B1 (en) 1972-03-15 1973-03-13
IT2155273A IT981362B (en) 1972-03-15 1973-03-13 TELEGRAPHY SYSTEM IN THE EVENT OF A FIRE
BR181473A BR7301814D0 (en) 1972-03-15 1973-03-14 A TRANSMISSION NETWORK
NO101773A NO132448C (en) 1972-03-15 1973-03-14

Applications Claiming Priority (1)

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

Publications (1)

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

Family

ID=20261764

Family Applications (1)

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

Country Status (6)

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

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 (en) * 1980-06-23 1985-09-30 Cerberus Ag METHOD FOR TRANSMITTING MEASURED VALUES IN A FIRE DETECTING SYSTEM AND DEVICE FOR IMPLEMENTING THE METHOD.
FR2688891A1 (en) * 1981-04-03 1993-09-24 Thomson Csf DEVICE FOR TESTING A RECEIVER GROUP.
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 (en) * 1959-06-19 1961-06-19 Int Standard Electric Corp Electrical signaling system
FR1389164A (en) * 1963-03-04 1965-02-12 Improvements made to remote station monitoring facilities from a central station
US3601806A (en) * 1969-06-23 1971-08-24 North American Rockwell Digital time multiplexed bidirectional communications system

Also Published As

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

Similar Documents

Publication Publication Date Title
DK130451C (en)
CS152750B1 (en)
FR2192901A1 (en)
NO132448C (en)
JPS4946052A (en)
FR2193342A5 (en)
JPS5110213Y2 (en)
FR2203061B2 (en)
JPS5237899B2 (en)
JPS4897389A (en)
JPS48109227U (en)
CS153317B1 (en)
CS154830B1 (en)
FR2179648A1 (en)
JPS4983960U (en)
CS156378B1 (en)
CS155484B1 (en)
CS153299B1 (en)
CS154079B1 (en)
CH566259A5 (en)
CH580625A5 (en)
CH585792A5 (en)
SE7205727L (en)
CH681772A4 (en)
BG18232A1 (en)