FI71028C - Larmsystem innefattande ett antal abonnentapparater och en abonnentapparaterna betjaenande larmcentral - Google Patents

Larmsystem innefattande ett antal abonnentapparater och en abonnentapparaterna betjaenande larmcentral Download PDF

Info

Publication number
FI71028C
FI71028C FI790337A FI790337A FI71028C FI 71028 C FI71028 C FI 71028C FI 790337 A FI790337 A FI 790337A FI 790337 A FI790337 A FI 790337A FI 71028 C FI71028 C FI 71028C
Authority
FI
Finland
Prior art keywords
alarm
subscriber
switching device
transmitter
center
Prior art date
Application number
FI790337A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI790337A7 (fi
FI71028B (fi
Inventor
Karl Magnus Andersson
Karl-Magnus 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
Publication of FI790337A7 publication Critical patent/FI790337A7/fi
Publication of FI71028B publication Critical patent/FI71028B/sv
Application granted granted Critical
Publication of FI71028C publication Critical patent/FI71028C/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)
FI790337A 1978-02-10 1979-02-01 Larmsystem innefattande ett antal abonnentapparater och en abonnentapparaterna betjaenande larmcentral FI71028C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7801578A SE416593B (sv) 1978-02-10 1978-02-10 Larmsystem innefattande ett antal abonnentapparater
SE7801578 1978-02-10

Publications (3)

Publication Number Publication Date
FI790337A7 FI790337A7 (fi) 1979-08-11
FI71028B FI71028B (fi) 1986-07-18
FI71028C true FI71028C (fi) 1986-10-27

Family

ID=20333955

Family Applications (1)

Application Number Title Priority Date Filing Date
FI790337A FI71028C (fi) 1978-02-10 1979-02-01 Larmsystem innefattande ett antal abonnentapparater och en abonnentapparaterna betjaenande larmcentral

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)

Families Citing this family (5)

* 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
SE444880B (sv) * 1984-09-17 1986-05-12 Ericsson Telefon Ab L M Sett for att i ett telekommunikationssystem vid anrop till nattkopplad jourcentral eller jourcentral ur drift astadkomma automatisk omkoppling till en annan jourcentral och anordning for genomforande av settet

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

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
SE416593B (sv) 1981-01-19
NL7901020A (nl) 1979-08-14
DK54479A (da) 1979-08-11
SE7801578L (sv) 1979-08-11
DK147748C (da) 1985-06-24
NO790433L (no) 1979-08-13
DK147748B (da) 1984-11-26
DE2903459C2 (enExample) 1988-01-14
DE2903459A1 (de) 1979-08-16

Similar Documents

Publication Publication Date Title
EP0683592B1 (en) A device for the verification of an alarm
US5940474A (en) Alarm system with interconnected alarm terminals
US4097690A (en) Intercommunication and alarm telephone system
US20080118039A1 (en) Enhanced 911 notification for internet enabled alarm system
JPS58107761A (ja) 留守宅監視システム
FI71028B (fi) Larmsystem innefattande ett antal abonnentapparater och en abonnentapparaterna betjaenande larmcentral
GB2206264A (en) Emergency call systems
JPS5917017B2 (ja) エレベ−タ非常通報装置
JPH0451111B2 (enExample)
JP3886274B2 (ja) 集合住宅インターホン装置
JPS59218596A (ja) 構内交換系を用いる非常通報方式
JPS6065653A (ja) 放送装置
JP3349063B2 (ja) 集合住宅用防災警報監視統合盤及びこれを用いた集合住宅用防災監視システム
JPS6248169A (ja) 情報通知方式
JPS6380392A (ja) 火災報知通信装置とその方法
GB2193061A (en) Emergency call acceptor
NL9400475A (nl) Telecommunicatietoestel en systeem omvattende dat telecommunicatietoestel.
JPS5924595B2 (ja) 局線保留方式
US2193505A (en) Apartment house signaling and telephone system
JPS62208198A (ja) 防災用通報装置
US795473A (en) Annunciator.
JPS62240278A (ja) 非常相互通話装置
JPH03201758A (ja) 電話網による緊急一斉通知装置
JPH03177151A (ja) 通報装置
JPH08256092A (ja) 無線通信システム

Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: OY L M ERICSSON AB