SE391993B - Larmsystem omfattande en central och till denna anslutna abonnenter - Google Patents

Larmsystem omfattande en central och till denna anslutna abonnenter

Info

Publication number
SE391993B
SE391993B SE7402133A SE7402133A SE391993B SE 391993 B SE391993 B SE 391993B SE 7402133 A SE7402133 A SE 7402133A SE 7402133 A SE7402133 A SE 7402133A SE 391993 B SE391993 B SE 391993B
Authority
SE
Sweden
Prior art keywords
subscribed
subscribers
central
system including
alarm system
Prior art date
Application number
SE7402133A
Other languages
English (en)
Swedish (sv)
Other versions
SE7402133L (de
Inventor
A V Hillberg
Original Assignee
A V Hillberg
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 A V Hillberg filed Critical A V Hillberg
Priority to SE7402133A priority Critical patent/SE391993B/xx
Priority to IT48203/75A priority patent/IT1029755B/it
Priority to FI750401A priority patent/FI750401A/fi
Priority to US05/549,868 priority patent/US3991412A/en
Priority to GB654575A priority patent/GB1455527A/en
Priority to CH191475A priority patent/CH582924A5/xx
Priority to DE19752506830 priority patent/DE2506830A1/de
Priority to NL7501963A priority patent/NL7501963A/xx
Priority to DK61975*#A priority patent/DK61975A/da
Priority to CA220,460A priority patent/CA1057833A/en
Priority to FR7505136A priority patent/FR2261575A1/fr
Publication of SE7402133L publication Critical patent/SE7402133L/xx
Publication of SE391993B publication Critical patent/SE391993B/xx

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
    • G08B25/014—Alarm signalling to a central station with two-way communication, e.g. with signalling back

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Alarm Systems (AREA)
SE7402133A 1974-02-19 1974-02-19 Larmsystem omfattande en central och till denna anslutna abonnenter SE391993B (sv)

Priority Applications (11)

Application Number Priority Date Filing Date Title
SE7402133A SE391993B (sv) 1974-02-19 1974-02-19 Larmsystem omfattande en central och till denna anslutna abonnenter
IT48203/75A IT1029755B (it) 1974-02-19 1975-02-01 Perfezionamento nei sistemi di allarme
FI750401A FI750401A (de) 1974-02-19 1975-02-13
US05/549,868 US3991412A (en) 1974-02-19 1975-02-14 Multi-subscriber alarm system with central receiving and transmitting installation
GB654575A GB1455527A (en) 1974-02-19 1975-02-17 Alarm system
CH191475A CH582924A5 (de) 1974-02-19 1975-02-17
DE19752506830 DE2506830A1 (de) 1974-02-19 1975-02-18 Elektrische alarmanlage
NL7501963A NL7501963A (nl) 1974-02-19 1975-02-19 Alarmstelsel.
DK61975*#A DK61975A (de) 1974-02-19 1975-02-19
CA220,460A CA1057833A (en) 1974-02-19 1975-02-19 Multi-subscriber alarm system with central receiving and transmitting installation
FR7505136A FR2261575A1 (de) 1974-02-19 1975-02-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7402133A SE391993B (sv) 1974-02-19 1974-02-19 Larmsystem omfattande en central och till denna anslutna abonnenter

Publications (2)

Publication Number Publication Date
SE7402133L SE7402133L (de) 1975-08-20
SE391993B true SE391993B (sv) 1977-03-07

Family

ID=20320242

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7402133A SE391993B (sv) 1974-02-19 1974-02-19 Larmsystem omfattande en central och till denna anslutna abonnenter

Country Status (11)

Country Link
US (1) US3991412A (de)
CA (1) CA1057833A (de)
CH (1) CH582924A5 (de)
DE (1) DE2506830A1 (de)
DK (1) DK61975A (de)
FI (1) FI750401A (de)
FR (1) FR2261575A1 (de)
GB (1) GB1455527A (de)
IT (1) IT1029755B (de)
NL (1) NL7501963A (de)
SE (1) SE391993B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4777488A (en) * 1986-05-16 1988-10-11 Cw Products, Inc. Restaurant service request communications system
BR9303182A (pt) * 1993-08-31 1994-04-19 Esca Telecomunicacoes Terminal remoto de dados

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3430218A (en) * 1965-09-13 1969-02-25 Charles P Healey Alarm reporting system
US3707708A (en) * 1970-12-16 1972-12-26 Multra Guard Inc Muting circuit for a security alarm system providing a sonic alert
US3854127A (en) * 1973-09-18 1974-12-10 C Damon Alarm system with automatic ringback

Also Published As

Publication number Publication date
FR2261575A1 (de) 1975-09-12
IT1029755B (it) 1979-03-20
CH582924A5 (de) 1976-12-15
US3991412A (en) 1976-11-09
FI750401A (de) 1975-08-20
SE7402133L (de) 1975-08-20
NL7501963A (nl) 1975-08-21
DE2506830A1 (de) 1975-08-21
GB1455527A (en) 1976-11-10
DK61975A (de) 1975-10-20
CA1057833A (en) 1979-07-03

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