SE416593B - Larmsystem innefattande ett antal abonnentapparater - Google Patents

Larmsystem innefattande ett antal abonnentapparater

Info

Publication number
SE416593B
SE416593B SE7801578A SE7801578A SE416593B SE 416593 B SE416593 B SE 416593B SE 7801578 A SE7801578 A SE 7801578A SE 7801578 A SE7801578 A SE 7801578A SE 416593 B SE416593 B SE 416593B
Authority
SE
Sweden
Prior art keywords
alarm
subscriber
switching device
transmitter
receiver
Prior art date
Application number
SE7801578A
Other languages
English (en)
Swedish (sv)
Other versions
SE7801578L (sv
Inventor
K-M Andersson
T V L Andersson
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 SE7801578A priority Critical patent/SE416593B/sv
Priority to DE19792903459 priority patent/DE2903459A1/de
Priority to FI790337A priority patent/FI71028C/sv
Priority to NL7901020A priority patent/NL7901020A/xx
Priority to NO790433A priority patent/NO150098C/no
Priority to DK54479A priority patent/DK147748C/da
Publication of SE7801578L publication Critical patent/SE7801578L/
Publication of SE416593B publication Critical patent/SE416593B/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/04—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Alarm Systems (AREA)
  • Telephonic Communication Services (AREA)
SE7801578A 1978-02-10 1978-02-10 Larmsystem innefattande ett antal abonnentapparater SE416593B (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE7801578A SE416593B (sv) 1978-02-10 1978-02-10 Larmsystem innefattande ett antal abonnentapparater
DE19792903459 DE2903459A1 (de) 1978-02-10 1979-01-30 Alarmsystem mit einer anzahl von fernsprechteilnehmer-telefonen und einem notfallzentrum zur bedienung derselben
FI790337A FI71028C (fi) 1978-02-10 1979-02-01 Larmsystem innefattande ett antal abonnentapparater och en abonnentapparaterna betjaenande larmcentral
NL7901020A NL7901020A (nl) 1978-02-10 1979-02-08 Alarmstelsel met een aantal abonneetelefoontoestellen en een alarmcentrum ten dienste van de abonneetoestel- len.
NO790433A NO150098C (no) 1978-02-10 1979-02-09 Alarmsystem omfattende et antall abonnentapparater og alarmsentral som betjener abonnentapparatene
DK54479A DK147748C (da) 1978-02-10 1979-02-09 Alarmanlaeg der omfatter et antal abonnentapparater og en alarmcentral til betjening af disse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7801578A SE416593B (sv) 1978-02-10 1978-02-10 Larmsystem innefattande ett antal abonnentapparater

Publications (2)

Publication Number Publication Date
SE7801578L SE7801578L (sv) 1979-08-11
SE416593B true SE416593B (sv) 1981-01-19

Family

ID=20333955

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7801578A SE416593B (sv) 1978-02-10 1978-02-10 Larmsystem innefattande ett antal abonnentapparater

Country Status (6)

Country Link
DE (1) DE2903459A1 (enExample)
DK (1) DK147748C (enExample)
FI (1) FI71028C (enExample)
NL (1) NL7901020A (enExample)
NO (1) NO150098C (enExample)
SE (1) SE416593B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986001960A1 (en) * 1984-09-17 1986-03-27 Telefonaktiebolaget Lm Ericsson Call diverter function in an early care telephone system

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0033758B1 (de) * 1980-02-04 1984-12-12 ANT Nachrichtentechnik GmbH Notrufsystem
DE3129080C2 (de) * 1981-07-23 1984-02-16 ANT Nachrichtentechnik GmbH, 7150 Backnang Verfahren zur Übermittlung von Notrufen von hilfebedürftigen Personen
DE3137147C1 (de) * 1981-09-18 1983-05-19 AEG-Telefunken Nachrichtentechnik GmbH, 7150 Backnang Verfahren zur UEbermittlung von Notrufen von hilfebeduerftigen Personen
US4763349A (en) * 1981-12-31 1988-08-09 Howard Siegel Monitoring apparatus using telephone link

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2712690C2 (de) * 1977-03-23 1986-06-05 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Einrichtung zur drahtlosen Übermittlung eines kodierten Notrufes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986001960A1 (en) * 1984-09-17 1986-03-27 Telefonaktiebolaget Lm Ericsson Call diverter function in an early care telephone system
GB2177279A (en) * 1984-09-17 1987-01-14 Ericsson Telefon Ab L M Call diverter function in an early care telephone system

Also Published As

Publication number Publication date
NO150098C (no) 1984-08-15
FI790337A7 (fi) 1979-08-11
NO150098B (no) 1984-05-07
FI71028B (fi) 1986-07-18
NL7901020A (nl) 1979-08-14
DK54479A (da) 1979-08-11
SE7801578L (sv) 1979-08-11
DK147748C (da) 1985-06-24
FI71028C (fi) 1986-10-27
NO790433L (no) 1979-08-13
DK147748B (da) 1984-11-26
DE2903459C2 (enExample) 1988-01-14
DE2903459A1 (de) 1979-08-16

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