FR2160793B1 - - Google Patents

Info

Publication number
FR2160793B1
FR2160793B1 FR7212781A FR7212781A FR2160793B1 FR 2160793 B1 FR2160793 B1 FR 2160793B1 FR 7212781 A FR7212781 A FR 7212781A FR 7212781 A FR7212781 A FR 7212781A FR 2160793 B1 FR2160793 B1 FR 2160793B1
Authority
FR
France
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
FR7212781A
Other versions
FR2160793A1 (fr
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
Siemens SpA
Original Assignee
Societa Italiana Telecomunicazioni Siemens SpA
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, Siemens SpA filed Critical Societa Italiana Telecomunicazioni Siemens SpA
Publication of FR2160793A1 publication Critical patent/FR2160793A1/fr
Application granted granted Critical
Publication of FR2160793B1 publication Critical patent/FR2160793B1/fr
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
FR7212781A 1971-11-22 1972-04-12 Expired FR2160793B1 (fr)

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 (2)

Publication Number Publication Date
FR2160793A1 FR2160793A1 (fr) 1973-07-06
FR2160793B1 true FR2160793B1 (fr) 1975-06-13

Family

ID=11233633

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7212781A Expired FR2160793B1 (fr) 1971-11-22 1972-04-12

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)

Families Citing this family (7)

* 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
GB2119981B (en) * 1982-01-07 1985-08-07 Morrison John M Alarm systems
DE3321417C2 (de) * 1983-06-14 1985-07-04 ANT Nachrichtentechnik GmbH, 7150 Backnang System zur Übermittlung von Notrufen
DE3324515A1 (de) * 1983-06-14 1985-01-17 ANT Nachrichtentechnik GmbH, 7150 Backnang Notrufsystem
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
ES2131030B1 (es) * 1997-11-28 2000-03-01 Telefonica Sa Dispositivo de control de sistemas de radio.

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

Also Published As

Publication number Publication date
DE2255213A1 (de) 1973-06-14
NL7215700A (fr) 1973-05-24
IT946083B (it) 1973-05-21
GB1385408A (en) 1975-02-26
BE789388A (fr) 1973-01-15
FR2160793A1 (fr) 1973-07-06

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Legal Events

Date Code Title Description
ST Notification of lapse