FI771836A7 - Oevervakningsanordning - Google Patents

Oevervakningsanordning Download PDF

Info

Publication number
FI771836A7
FI771836A7 FI771836A FI771836A FI771836A7 FI 771836 A7 FI771836 A7 FI 771836A7 FI 771836 A FI771836 A FI 771836A FI 771836 A FI771836 A FI 771836A FI 771836 A7 FI771836 A7 FI 771836A7
Authority
FI
Finland
Prior art keywords
monitoring arrangement
monitoring
arrangement
Prior art date
Application number
FI771836A
Other languages
English (en)
Finnish (fi)
Inventor
Leif Wiberg
Original Assignee
Pan Data Ab
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 Pan Data Ab filed Critical Pan Data Ab
Publication of FI771836A7 publication Critical patent/FI771836A7/fi

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR 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

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Locating Faults (AREA)
FI771836A 1977-05-13 1977-06-10 Oevervakningsanordning FI771836A7 (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB20104/77A GB1537642A (en) 1977-05-13 1977-05-13 Monitoring arrangement

Publications (1)

Publication Number Publication Date
FI771836A7 true FI771836A7 (fi) 1978-11-14

Family

ID=10140451

Family Applications (1)

Application Number Title Priority Date Filing Date
FI771836A FI771836A7 (fi) 1977-05-13 1977-06-10 Oevervakningsanordning

Country Status (3)

Country Link
DK (1) DK141183B (en:Method)
FI (1) FI771836A7 (en:Method)
GB (1) GB1537642A (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2090682B (en) * 1981-01-06 1985-09-04 Racal Mesl Security Ltd Electrical circuits for security system

Also Published As

Publication number Publication date
GB1537642A (en) 1979-01-04
DK141183B (da) 1980-01-28
DK141183C (en:Method) 1980-07-07
DK251377A (en:Method) 1978-11-14

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: PAN DATA AB