FR43004E - Automatic telephone warning device for thefts, disasters, etc. - Google Patents

Automatic telephone warning device for thefts, disasters, etc.

Info

Publication number
FR43004E
FR43004E FR43004DA FR43004E FR 43004 E FR43004 E FR 43004E FR 43004D A FR43004D A FR 43004DA FR 43004 E FR43004 E FR 43004E
Authority
FR
France
Prior art keywords
thefts
disasters
warning device
automatic telephone
telephone warning
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
Other languages
French (fr)
Inventor
Raymond Fontbonne
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
Application granted granted Critical
Publication of FR43004E publication Critical patent/FR43004E/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
    • 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)
FR43004D 1932-10-15 1932-10-15 Automatic telephone warning device for thefts, disasters, etc. Expired FR43004E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR43004T 1932-10-15

Publications (1)

Publication Number Publication Date
FR43004E true FR43004E (en) 1934-01-25

Family

ID=8679018

Family Applications (2)

Application Number Title Priority Date Filing Date
FR752069D Expired FR752069A (en) 1932-10-15 1932-06-11 Automatic telephone warning device for thefts, disasters, etc.
FR43004D Expired FR43004E (en) 1932-10-15 1932-10-15 Automatic telephone warning device for thefts, disasters, etc.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR752069D Expired FR752069A (en) 1932-10-15 1932-06-11 Automatic telephone warning device for thefts, disasters, etc.

Country Status (1)

Country Link
FR (2) FR752069A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE896065C (en) * 1950-06-07 1953-11-09 Samuel Dunseith Mckellen Alarm device with dials for automatic telecommunication connection
DE964418C (en) * 1953-09-10 1957-05-23 Claire Schueler Wirz Emergency alarm system

Also Published As

Publication number Publication date
FR752069A (en) 1933-09-15

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