ZA715347B - Automatic telephone dialling and signalling system - Google Patents

Automatic telephone dialling and signalling system

Info

Publication number
ZA715347B
ZA715347B ZA715347A ZA715347A ZA715347B ZA 715347 B ZA715347 B ZA 715347B ZA 715347 A ZA715347 A ZA 715347A ZA 715347 A ZA715347 A ZA 715347A ZA 715347 B ZA715347 B ZA 715347B
Authority
ZA
South Africa
Prior art keywords
automatic telephone
signalling system
telephone dialling
dialling
signalling
Prior art date
Application number
ZA715347A
Inventor
M Calluaud
Original Assignee
Natronics Pty Ltd
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 Natronics Pty Ltd filed Critical Natronics Pty Ltd
Publication of ZA715347B publication Critical patent/ZA715347B/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
    • H04M11/045—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems using recorded signals, e.g. speech

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Alarm Systems (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
ZA715347A 1970-08-13 1971-08-10 Automatic telephone dialling and signalling system ZA715347B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPA217570 1970-08-13

Publications (1)

Publication Number Publication Date
ZA715347B true ZA715347B (en) 1972-07-26

Family

ID=3764685

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA715347A ZA715347B (en) 1970-08-13 1971-08-10 Automatic telephone dialling and signalling system

Country Status (3)

Country Link
DE (1) DE2139629A1 (en)
GB (1) GB1356673A (en)
ZA (1) ZA715347B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3039981C2 (en) * 1980-10-23 1984-05-03 ANT Nachrichtentechnik GmbH, 7150 Backnang Dialing device with phone number or identifier memory
FR2548415B1 (en) * 1983-06-30 1986-04-25 Black & Decker Inc INSTALLATION FOR TRANSMITTING AN ALARM SIGNAL, BY TELEPHONE, FROM A TRANSMITTING STATION TO A RECEIVING STATION
DE3540301A1 (en) * 1985-11-13 1987-05-21 Telemaster Gmbh Automatic telephone number transmitter for telephone devices

Also Published As

Publication number Publication date
GB1356673A (en) 1974-06-12
DE2139629A1 (en) 1972-04-13

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