GB1385408A - Telemonitoring system - Google Patents

Telemonitoring system

Info

Publication number
GB1385408A
GB1385408A GB3477972A GB3477972A GB1385408A GB 1385408 A GB1385408 A GB 1385408A GB 3477972 A GB3477972 A GB 3477972A GB 3477972 A GB3477972 A GB 3477972A GB 1385408 A GB1385408 A GB 1385408A
Authority
GB
United Kingdom
Prior art keywords
substations
signals
alarm
group
exchanges
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB3477972A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Italtel SpA
Original Assignee
Societa Italiana Telecomunicazioni Siemens SpA
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 Societa Italiana Telecomunicazioni Siemens SpA filed Critical Societa Italiana Telecomunicazioni Siemens SpA
Publication of GB1385408A publication Critical patent/GB1385408A/en
Expired legal-status Critical Current

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)
  • Time-Division Multiplex Systems (AREA)
  • Alarm Systems (AREA)
GB3477972A 1971-11-22 1972-07-25 Telemonitoring system Expired GB1385408A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT3144071A IT946083B (it) 1971-11-22 1971-11-22 Sistema di telesorveglianza uti lizzante la rete telefonica urbania per la trasmissione delle informazioni

Publications (1)

Publication Number Publication Date
GB1385408A true GB1385408A (en) 1975-02-26

Family

ID=11233633

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3477972A Expired GB1385408A (en) 1971-11-22 1972-07-25 Telemonitoring system

Country Status (6)

Country Link
BE (1) BE789388A (fr)
DE (1) DE2255213A1 (fr)
FR (1) FR2160793B1 (fr)
GB (1) GB1385408A (fr)
IT (1) IT946083B (fr)
NL (1) NL7215700A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2119981A (en) * 1982-01-07 1983-11-23 Morrison John M Alarm Systems
ES2131030A1 (es) * 1997-11-28 1999-07-01 Telefonica Sa Dispositivo de control de sistemas de radio.

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1601941A (en) * 1977-03-04 1981-11-04 Post Office System for transmitting alarm information over telephone lines
DE3324515A1 (de) * 1983-06-14 1985-01-17 ANT Nachrichtentechnik GmbH, 7150 Backnang Notrufsystem
DE3321417C2 (de) * 1983-06-14 1985-07-04 ANT Nachrichtentechnik GmbH, 7150 Backnang System zur Übermittlung von Notrufen
DE3321416C2 (de) * 1983-06-14 1985-07-04 ANT Nachrichtentechnik GmbH, 7150 Backnang System zur Übermittlung von Notrufen
DE3324516A1 (de) * 1983-06-14 1985-01-17 ANT Nachrichtentechnik GmbH, 7150 Backnang Notrufsystem

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6617451A (fr) * 1966-12-12 1968-06-13
CH473433A (de) * 1967-04-04 1969-05-31 Securitas Ag Schweiz Bewachung Tonfrequente Alarmübermittlungsanlage

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2119981A (en) * 1982-01-07 1983-11-23 Morrison John M Alarm Systems
ES2131030A1 (es) * 1997-11-28 1999-07-01 Telefonica Sa Dispositivo de control de sistemas de radio.

Also Published As

Publication number Publication date
BE789388A (fr) 1973-01-15
IT946083B (it) 1973-05-21
NL7215700A (fr) 1973-05-24
FR2160793A1 (fr) 1973-07-06
FR2160793B1 (fr) 1975-06-13
DE2255213A1 (de) 1973-06-14

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee