NL7403245A - - Google Patents

Info

Publication number
NL7403245A
NL7403245A NL7403245A NL7403245A NL7403245A NL 7403245 A NL7403245 A NL 7403245A NL 7403245 A NL7403245 A NL 7403245A NL 7403245 A NL7403245 A NL 7403245A NL 7403245 A NL7403245 A NL 7403245A
Authority
NL
Netherlands
Application number
NL7403245A
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
Publication of NL7403245A publication Critical patent/NL7403245A/xx

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Alarm Systems (AREA)
  • Burglar Alarm Systems (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
NL7403245A 1973-03-12 1974-03-11 NL7403245A (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7303450A SE362974B (https=) 1973-03-12 1973-03-12

Publications (1)

Publication Number Publication Date
NL7403245A true NL7403245A (https=) 1974-09-16

Family

ID=20316879

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7403245A NL7403245A (https=) 1973-03-12 1974-03-11

Country Status (11)

Country Link
US (1) US3934237A (https=)
JP (1) JPS49127600A (https=)
BE (1) BE812115A (https=)
CH (1) CH588749A5 (https=)
DE (1) DE2410035A1 (https=)
DK (1) DK143724C (https=)
FI (1) FI54748C (https=)
GB (1) GB1461844A (https=)
NL (1) NL7403245A (https=)
NO (1) NO129876B (https=)
SE (1) SE362974B (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2324172A1 (fr) * 1975-09-15 1977-04-08 Gautier Gerard Dispositif de protection antifrauduleuse pour ligne telephonique exploitee en transmission d'alarme
DE2946169C2 (de) * 1979-11-15 1986-12-11 Brown, Boveri & Cie Ag, 6800 Mannheim Verfahren zum Ermitteln des Zustandes betimmter Alarmgeber einer Überwachungsanlage
US4394794A (en) * 1981-01-19 1983-07-26 Donn Incorporated Metal fastening system and method
DE3205737C2 (de) * 1982-02-18 1984-07-05 Ifm Electronic Gmbh, 4300 Essen Schaltungsanordnung zur Überwachung eines Schaltgerätes und der an ihm angeschlossenen Außenleiter
DE3642951A1 (de) * 1986-02-06 1987-08-20 Notifier Co Detektorsystem, insbesondere sicherungssystem, und verfahren zur erzeugung einer anzeige eines zustandes an mindestens einer entfernten stelle

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1235189B (de) * 1963-10-28 1967-02-23 John Crerar Mackeen Verfahren zur UEbertragung einer Anzeige eines Alarmzustandes in einem zu ueberwachenden Bereich an eine ausserhalb dieses Bereiches befindliche Stelle und System zur Durchfuehrung des Verfahrens
US3516089A (en) * 1967-05-10 1970-06-02 Ind Instrumentations Inc Shift register controlled scanning function monitor
FR2088881A5 (https=) * 1970-04-28 1972-01-07 Fichet Bauche

Also Published As

Publication number Publication date
NO129876B (https=) 1974-06-04
FI54748C (fi) 1979-02-12
US3934237A (en) 1976-01-20
SE362974B (https=) 1973-12-27
FI54748B (fi) 1978-10-31
DK143724C (da) 1982-03-15
JPS49127600A (https=) 1974-12-06
CH588749A5 (https=) 1977-06-15
DE2410035A1 (de) 1974-09-19
GB1461844A (en) 1977-01-19
BE812115A (fr) 1974-07-01
DK143724B (da) 1981-09-28

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BI The patent application has been withdrawn