BE789388A - TELE-SURVEILLANCE SYSTEM USING THE TELEPHONE NETWORK FOR THE TRANSMISSION OF INFORMATION - Google Patents

TELE-SURVEILLANCE SYSTEM USING THE TELEPHONE NETWORK FOR THE TRANSMISSION OF INFORMATION

Info

Publication number
BE789388A
BE789388A BE789388DA BE789388A BE 789388 A BE789388 A BE 789388A BE 789388D A BE789388D A BE 789388DA BE 789388 A BE789388 A BE 789388A
Authority
BE
Belgium
Prior art keywords
tele
transmission
information
telephone network
surveillance system
Prior art date
Application number
Other languages
French (fr)
Inventor
L G Uberto
Original Assignee
Telecomunicazioni Soc It
Siemens Spa Italiana
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.)
Publication date
Publication of BE789388A publication Critical patent/BE789388A/en

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
BE789388D 1971-11-22 TELE-SURVEILLANCE SYSTEM USING THE TELEPHONE NETWORK FOR THE TRANSMISSION OF INFORMATION BE789388A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT3144071A IT946083B (en) 1971-11-22 1971-11-22 REMOTE SURVEILLANCE SYSTEM USING THE URBAN TELEPHONE NETWORK FOR THE TRANSMISSION OF INFORMATION

Publications (1)

Publication Number Publication Date
BE789388A true BE789388A (en) 1973-01-15

Family

ID=11233633

Family Applications (1)

Application Number Title Priority Date Filing Date
BE789388D BE789388A (en) 1971-11-22 TELE-SURVEILLANCE SYSTEM USING THE TELEPHONE NETWORK FOR THE TRANSMISSION OF INFORMATION

Country Status (6)

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

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
DE3324515A1 (en) * 1983-06-14 1985-01-17 ANT Nachrichtentechnik GmbH, 7150 Backnang Emergency call system
DE3324516A1 (en) * 1983-06-14 1985-01-17 ANT Nachrichtentechnik GmbH, 7150 Backnang Emergency call system
DE3321416C2 (en) * 1983-06-14 1985-07-04 ANT Nachrichtentechnik GmbH, 7150 Backnang Emergency call transmission system
DE3321417C2 (en) * 1983-06-14 1985-07-04 ANT Nachrichtentechnik GmbH, 7150 Backnang Emergency call transmission system
ES2131030B1 (en) * 1997-11-28 2000-03-01 Telefonica Sa RADIO SYSTEM CONTROL DEVICE.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6617451A (en) * 1966-12-12 1968-06-13
CH473433A (en) * 1967-04-04 1969-05-31 Securitas Ag Schweiz Bewachung Sound-frequency alarm transmission system

Also Published As

Publication number Publication date
GB1385408A (en) 1975-02-26
FR2160793A1 (en) 1973-07-06
NL7215700A (en) 1973-05-24
DE2255213A1 (en) 1973-06-14
IT946083B (en) 1973-05-21
FR2160793B1 (en) 1975-06-13

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