NL7215700A - - Google Patents

Info

Publication number
NL7215700A
NL7215700A NL7215700A NL7215700A NL7215700A NL 7215700 A NL7215700 A NL 7215700A NL 7215700 A NL7215700 A NL 7215700A NL 7215700 A NL7215700 A NL 7215700A NL 7215700 A NL7215700 A NL 7215700A
Authority
NL
Netherlands
Application number
NL7215700A
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 filed Critical
Publication of NL7215700A publication Critical patent/NL7215700A/xx

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)
  • Time-Division Multiplex Systems (AREA)
NL7215700A 1971-11-22 1972-11-20 NL7215700A (enrdf_load_stackoverflow)

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
NL7215700A true NL7215700A (enrdf_load_stackoverflow) 1973-05-24

Family

ID=11233633

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7215700A NL7215700A (enrdf_load_stackoverflow) 1971-11-22 1972-11-20

Country Status (6)

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

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
DE3324516A1 (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
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
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 (enrdf_load_stackoverflow) * 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
FR2160793B1 (enrdf_load_stackoverflow) 1975-06-13
BE789388A (fr) 1973-01-15
GB1385408A (en) 1975-02-26
DE2255213A1 (de) 1973-06-14
FR2160793A1 (enrdf_load_stackoverflow) 1973-07-06
IT946083B (it) 1973-05-21

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