BE653696A - - Google Patents

Info

Publication number
BE653696A
BE653696A BE653696A BE653696A BE653696A BE 653696 A BE653696 A BE 653696A BE 653696 A BE653696 A BE 653696A BE 653696 A BE653696 A BE 653696A BE 653696 A BE653696 A BE 653696A
Authority
BE
Belgium
Prior art keywords
detectors
relays
cathode tube
voltage
relay
Prior art date
Application number
BE653696A
Other languages
English (en)
French (fr)
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 filed Critical
Priority to BE653696A priority Critical patent/BE653696A/fr
Publication of BE653696A publication Critical patent/BE653696A/fr
Priority to BE689837D priority patent/BE689837A/xx
Priority to LU54679D priority patent/LU54679A1/xx
Priority to DEE35145A priority patent/DE1283713B/de
Priority to GB51304/67A priority patent/GB1201163A/en
Priority to US682107A priority patent/US3503067A/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/018—Sensor coding by detecting magnitude of an electrical parameter, e.g. resistance
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Alarm Systems (AREA)
BE653696A 1964-09-29 1964-09-29 BE653696A (enFirst)

Priority Applications (6)

Application Number Priority Date Filing Date Title
BE653696A BE653696A (enFirst) 1964-09-29 1964-09-29
BE689837D BE689837A (enFirst) 1964-09-29 1966-11-17
LU54679D LU54679A1 (enFirst) 1964-09-29 1967-10-16
DEE35145A DE1283713B (de) 1964-09-29 1967-11-10 Schaltungsanordnung fuer die Anzeige eines ausgeloesten Melders
GB51304/67A GB1201163A (en) 1964-09-29 1967-11-10 Monitored supervisory detector
US682107A US3503067A (en) 1964-09-29 1967-11-13 Remote identification system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE653696A BE653696A (enFirst) 1964-09-29 1964-09-29

Publications (1)

Publication Number Publication Date
BE653696A true BE653696A (enFirst) 1965-01-18

Family

ID=3846921

Family Applications (1)

Application Number Title Priority Date Filing Date
BE653696A BE653696A (enFirst) 1964-09-29 1964-09-29

Country Status (1)

Country Link
BE (1) BE653696A (enFirst)

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