BE803424A - NEW MEANS FOR MONITORING FROM A CENTRAL STATION OF VARIATIONS IN THE STATE OF ONE OR MORE ASSOCIATED POSTS - Google Patents

NEW MEANS FOR MONITORING FROM A CENTRAL STATION OF VARIATIONS IN THE STATE OF ONE OR MORE ASSOCIATED POSTS

Info

Publication number
BE803424A
BE803424A BE134416A BE134416A BE803424A BE 803424 A BE803424 A BE 803424A BE 134416 A BE134416 A BE 134416A BE 134416 A BE134416 A BE 134416A BE 803424 A BE803424 A BE 803424A
Authority
BE
Belgium
Prior art keywords
monitoring
variations
state
central station
new means
Prior art date
Application number
BE134416A
Other languages
French (fr)
Original Assignee
Silec Liaisons Elec
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 Silec Liaisons Elec filed Critical Silec Liaisons Elec
Publication of BE803424A publication Critical patent/BE803424A/en

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
    • G08B26/004—Alarm systems in which substations are interrogated in succession by a central station with common interrogation of substations

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Selective Calling Equipment (AREA)
BE134416A 1973-01-16 1973-08-09 NEW MEANS FOR MONITORING FROM A CENTRAL STATION OF VARIATIONS IN THE STATE OF ONE OR MORE ASSOCIATED POSTS BE803424A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7301366A FR2214189B1 (en) 1973-01-16 1973-01-16

Publications (1)

Publication Number Publication Date
BE803424A true BE803424A (en) 1974-02-11

Family

ID=9113339

Family Applications (1)

Application Number Title Priority Date Filing Date
BE134416A BE803424A (en) 1973-01-16 1973-08-09 NEW MEANS FOR MONITORING FROM A CENTRAL STATION OF VARIATIONS IN THE STATE OF ONE OR MORE ASSOCIATED POSTS

Country Status (9)

Country Link
BE (1) BE803424A (en)
CH (1) CH580374A5 (en)
DE (1) DE2346395A1 (en)
ES (1) ES418752A1 (en)
FR (1) FR2214189B1 (en)
GB (1) GB1445002A (en)
IT (1) IT1006083B (en)
LU (1) LU68216A1 (en)
NL (1) NL7312686A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2801209C3 (en) * 1978-01-12 1985-08-22 Reilhofer, Johannes, 8000 München Data acquisition system
US4359721A (en) * 1978-10-16 1982-11-16 American District Telegraph Company Two-wire multi-zone alarm system
US4491828A (en) * 1978-10-16 1985-01-01 American District Telegraph Company Two-wire multi-zone alarm system
LU82373A1 (en) * 1980-04-18 1981-12-02 Bemac S P R L INFORMATION COLLECTION CENTER AND IN PARTICULAR FIRE DETECTION CENTER
AU537701B2 (en) * 1980-05-21 1984-07-05 American District Telegragh Co. Non-home run zoning system
FR2688891A1 (en) * 1981-04-03 1993-09-24 Thomson Csf DEVICE FOR TESTING A RECEIVER GROUP.
GB2129177A (en) * 1982-10-14 1984-05-10 Bicc Plc Telemetry system
DE3313137A1 (en) * 1983-04-12 1984-10-18 Siemens AG, 1000 Berlin und 8000 München CIRCUIT ARRANGEMENT FOR CANCELING NOISE IN OPTICAL SMOKE DETECTORS

Also Published As

Publication number Publication date
FR2214189B1 (en) 1977-07-22
IT1006083B (en) 1976-09-30
CH580374A5 (en) 1976-09-30
DE2346395A1 (en) 1974-07-18
LU68216A1 (en) 1974-02-21
ES418752A1 (en) 1976-06-16
FR2214189A1 (en) 1974-08-09
GB1445002A (en) 1976-08-04
NL7312686A (en) 1974-07-18

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: SOC. INDUSTRIELLE DE LIAISONS ELECTRIQUES

Effective date: 19840809