FR1466855A - Emergency alert system - Google Patents

Emergency alert system

Info

Publication number
FR1466855A
FR1466855A FR48073A FR48073A FR1466855A FR 1466855 A FR1466855 A FR 1466855A FR 48073 A FR48073 A FR 48073A FR 48073 A FR48073 A FR 48073A FR 1466855 A FR1466855 A FR 1466855A
Authority
FR
France
Prior art keywords
emergency alert
alert system
emergency
alert
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
FR48073A
Other languages
French (fr)
Inventor
Emile Dardenne
Alexis Terlinden
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.)
ACEC
Umicore NV SA
Original Assignee
ACEC
Ateliers de Constructions Electriques de Charleroi SA
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 ACEC, Ateliers de Constructions Electriques de Charleroi SA filed Critical ACEC
Application granted granted Critical
Publication of FR1466855A publication Critical patent/FR1466855A/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)
  • Alarm Systems (AREA)
FR48073A 1965-02-02 1966-02-02 Emergency alert system Expired FR1466855A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE659145 1965-02-02
BE8458 1965-02-02

Publications (1)

Publication Number Publication Date
FR1466855A true FR1466855A (en) 1967-01-20

Family

ID=25646981

Family Applications (1)

Application Number Title Priority Date Filing Date
FR48073A Expired FR1466855A (en) 1965-02-02 1966-02-02 Emergency alert system

Country Status (2)

Country Link
BE (1) BE659145A (en)
FR (1) FR1466855A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2430146A1 (en) * 1978-06-29 1980-01-25 Duranton Rene Automatic telephone dialling system - has memory contg. preselected number and activated when handset is lifted for 15 seconds without dialling
FR2446569A2 (en) * 1978-12-13 1980-08-08 Stratel Remote actuator for automatic telephone dialler - has normally closed switch interrupting current applied to subscriber line with photocoupler to sense signal and trigger dialler

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2430146A1 (en) * 1978-06-29 1980-01-25 Duranton Rene Automatic telephone dialling system - has memory contg. preselected number and activated when handset is lifted for 15 seconds without dialling
FR2446569A2 (en) * 1978-12-13 1980-08-08 Stratel Remote actuator for automatic telephone dialler - has normally closed switch interrupting current applied to subscriber line with photocoupler to sense signal and trigger dialler

Also Published As

Publication number Publication date
BE659145A (en) 1965-08-02

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